| Email : wegats@ugm.ac.id |
| Education Background : |
| Doctor, Ph.D.Eng., Kimia, Osaka University, Japan, 1997 Master, M.Si., Kimia, Universitas Gadjah Mada, 1991 Undergraduate, Dra., Kimia, Universitas Gadjah Mada, 1986 |
| Research Interest : |
| • Sintesis Nanosilika Mesopori Berstruktur Teratur Via Hybdrid Polymer P123-Gelatin Template untuk Aplikasi Degradasi Zat Warna Methylene Blue • Preparasi dan Karakterisasi Katalis Co Teremban pada Lumpur Lapindo untuk Hidrorengkah Minyak Sawit Bekas Menjadi Biofuel Serta Uji Reusabilitas Katalis • Sintesis Hierarki Karbon Aktif dari Limbah Kayu Glugu dan Tempurung Kelapa sebagai Pengemban Logam Ni dan/ atau Pt untuk Hydrotreatment Minyak Nyamplung Menjadi Biofuel Aktif meneliti tentang katalis, nanosilika, zeolite, Graphene Oxide (SGO), yang dapat diaplikasikan untuk degradasi zat warna, biofuel dll. |
| Research Cluster/Group : |
| Katalis |
| List of Publications : |
|
(1) Trisunaryanti, W.; Wijaya, K.; Saputro, M. D. I. The Effect of Ni/AC and Mo/AC Catalyst Arrangements on the Activity and Selectivity for Hydrotreating Palm Cooking Oil into Biojet Fuel. Indones. J. Chem. 2025, 25 (2), 404–419. https://doi.org/10.22146/ijc.99071. (2) Chandra, P.; Triyono, T.; Trisunaryanti, W.; Marlina, L. A.; Hutama, A. S. DFT Study of Pt-RGO as a Potential Catalyst for Glycerol Hydrodeoxygenation into Propanediols. Struct. Chem. 2025. https://doi.org/10.1007/s11224-025-02454-1. (3) Fitria, R. A.; Prasetyo, N.; Saviola, A. J.; Trisunaryanti, W.; Syoufian, A.; Amin, A. K.; Oh, W. C.; Wijaya, K. Synthesis of Cobalt-Dispersed Sulfated Zirconia Nanocatalyst for the Hydroconversion of Used Palm Cooking Oil into Bio-Jet Fuel. Case Stud. Chem. Environ. Eng. 2025, 11. https://doi.org/10.1016/j.cscee.2024.101052. (4) Trisunaryanti, W.; Nugrahagusti, I. H.; Purbonegoro, J. Effect of Nickel Precursor Salt Variation in Ni/Mesoporous Carbon Catalyst Synthesis from Teak Sawdust Waste for Microwave-Assisted Hydrocracking of Castor Oil into Biofuel. Waste and Biomass Valorization 2025. https://doi.org/10.1007/s12649-025-02956-3. (5) Ardini, M. A.; Hara, T.; Ichikuni, N.; Trisunaryanti, W. Study of Metal Sequenced Spray Impregnation Method towards Co-Mo/γ-Al2O3 Catalytic Performance in Hydrotreating of Used Coconut Oil to Liquid Biohydrocarbon. Microporous Mesoporous Mater. 2025, 382. https://doi.org/10.1016/j.micromeso.2024.113357. (6) Trisunaryanti, W.; Pradipta, M. F.; Purbonegoro, J.; Pratiwi, A. E. Preparation and Performance of 3-APTMS-Modified NiO/γ-Al₂O₃ for High-Efficiency Biodiesel Production from Used Palm Oil. J. Environ. Chem. Eng. 2025, 13 (3). https://doi.org/10.1016/j.jece.2025.116149. (7) Trisunaryanti, W.; Wijaya, K.; Kartini, I.; Purwono, S.; Mara, A.; Dewi, I. A. Hydrodeoxygenation of Refined Palm Kernel Oil Into Bioavtur Using Spray-Dry Impregnated Activated Carbon Supported-Mo Catalysts. Evergreen 2024, 11 (2), 652–664. (8) Trisunaryanti, W.; Wijaya, K.; Tazkia, A. M. Preparation of Ni/ZSM-5 and Mo/ZSM-5 Catalysts for Hydrotreating Palm Oil into Biojet Fuel. Commun. Sci. Technol. 2024, 9 (1), 161–169. https://doi.org/10.21924/cst.9.1.2024.1442. (9) Yulianto, A.; Trisunaryanti, W.; Triyono, T.; Saviola, A. J.; Wijaya, K.; Kartini, I.; Purwono, S.; Rodiansono, R.; Mara, A. Effect of Arrangements in an Atmospheric Hydrotreating Reactor of Cobalt and/or Molybdenum Dispersed on Activated Carbon Catalysts toward Bio-Jet Fuel Production from Refined Palm Oil. Case Stud. Chem. Environ. Eng. 2024, 10. https://doi.org/10.1016/j.cscee.2024.100894. (10) Trisunaryanti, W.; Wijaya, K.; Kartini, I.; Purwono, S.; Mara, A.; Rahma, A. S. Hydrodeoxygenation of Refined Palm Kernel Oil (RPKO) into Bio-Jet Fuel Using Mo/H-ZSM-5 Catalysts. React. Kinet. Mech. Catal. 2024, 137 (2), 843–878. https://doi.org/10.1007/s11144-023-02560-3. (11) Purnama, I.; Trisunaryanti, W.; Wijaya, K.; Mutamima, A.; Oh, W.-C.; Boukherroub, R.; Aziz, M. Multi-Pathways for Sustainable Fuel Production from Biomass Using Zirconium-Based Catalysts: A Comprehensive Review. Energy Technol. 2024, 12 (2). https://doi.org/10.1002/ente.202300901. (12) Saputra, D. A.; Amin, A. K.; Wijaya, K.; Triyono, T.; Trisunaryanti, W.; Fitroturokhmah, A.; Oh, W.-C. MgO/γ-Alumina and CaO/γ-Alumina Catalysts for the Transesterification of Castor Oil (Ricinus Communis) into Biodiesel. Iran. J. Chem. Chem. Eng. 2024, 43 (4), 1622–1634. https://doi.org/10.30492/ijcce.2023.2004770.6081. (13) Trisunaryanti, W.; Triyono, T.; Falah, I. I.; Wicaksono, D. B.; Sumbogo, S. D. Characteristic and Performance of Ni, Pt, and Pd Monometal and Ni-Pd Bimetal onto KOH Activated Carbon for Hydrotreatment of Castor Oil. Indones. J. Chem. 2024, 24 (1), 115–124. https://doi.org/10.22146/ijc.84640. (14) Trisunaryanti, W.; Aksanti, S. I.; Purbonegoro, J. High Performance of a Base Catalyst from Moringa Leaves Ash for Biodiesel Conversion of Low-Grade Bali Malapari Oil. React. Kinet. Mech. Catal. 2024, 137 (4), 2037–2063. https://doi.org/10.1007/s11144-024-02637-7. (15) Fatmawati, D. A.; Trisunaryanti, W.; Santoso, I.; Triyono, T.; Chasanah, U.; Rois, M. F.; Purbonegoro, J. In-Situ Generation of Enhanced Pd-Co Nanoparticles Using Various Stabilizing Agents Decorated on Reduced Graphene Oxide as Electrocatalyst for Oxygen Reduction Reaction. Nano-Structures and Nano-Objects 2024, 38. https://doi.org/10.1016/j.nanoso.2024.101154. (16) Trisunaryanti, W.; Purbonegoro, J.; Aksanti, S. I. Effect of Cobalt Impregnation Methods on Parangtritis Sand towards Catalysts Activity in Hydrocracking of Degummed Low-Quality Ujung Kulon Malapari Oil into Biohydrocarbons. React. Kinet. Mech. Catal. 2024, 137 (1), 303–321. https://doi.org/10.1007/s11144-023-02538-1. (17) Trisunaryanti, W.; Falah, I. I.; Widyawati, D.; Yusniyanti, F. The Effect of Oxalic Acid and NaOH Treatments on the Character of Wonosari Natural Zeolite as Ni, Cu, and Zn Metal Support Catalyst for Hydrocracking of Castor Oil. Biomass Convers. Biorefinery 2024, 14 (4), 5637–5649. https://doi.org/10.1007/s13399-022-02779-5. (18) Fitria, A.; Trisunaryanti, W.; Santoso, I. Synthesis, Characterization and Performance of Ni/Mesoporous Silica – NH2/Mesoporous Silica and Ni-NH2/Mesoporous Silica as Bifunctional Catalyst in One Step Conversion of Waste Palm Oil to Biodiesel. Commun. Sci. Technol. 2024, 9 (2), 430–441. https://doi.org/10.21924/cst.9.2.2024.1483. (19) Adila, Z.; Trisunaryanti, W.; Triyono, T. Modification of Natural Zeolite from Klaten, Indonesia Using Ammonium Chloride by Ion-Exchange and Its Application as Catalyst in Ethanol Dehydration to Produce Diethyl Ether. Indones. J. Chem. 2024, 24 (2), 505–518. https://doi.org/10.22146/ijc.90279. (20) Chasanah, U.; Trisunaryanti, W.; Santoso, I.; Fatmawati, D. A.; Purbonegoro, J. Effect of Stabilizer Agent Type on the Characteristics of Pd–Ni Nanoparticles Deposited on Reduced Graphene Oxide as Electrocatalysts for the Oxygen Reduction Reaction. J. Mater. Sci. 2024, 59 (44), 20593–20605. https://doi.org/10.1007/s10853-024-10407-y. (21) Visiamah, F.; Trisunaryanti, W. Microwave-Assisted Coconut Wood Carbon-Based Catalyst Impregnated by Ni and/or Pt for Bio-Jet Fuel Range Hydrocarbons Production from Calophyllum Inophyllum L. Oil Using Modified-Microwave Reactor. Case Stud. Chem. Environ. Eng. 2024, 9. https://doi.org/10.1016/j.cscee.2024.100722. (22) Trisunaryanti, W.; Triyono, T.; Resa, R. M.; Larasati, S. Performance of Pd and Pt Noble Metal Impregnated on Lapindo Mud-Based Mesoporous Silica on Hydrotreatment of Waste Cooking Oil into Biogasoline. Mater. Today Sustain. 2024, 28. https://doi.org/10.1016/j.mtsust.2024.100978. (23) Trisunaryanti, W.; Hidayat, H. F.; Pradipta, M. F.; Ibrahim, M. S. Oxidative Desulfurization of Dibenzothiophene Using Catalyst of NiO Impregnated on Magnetic Silica Sand from Parangtritis Beach. In Solid State Phenomena; Trans Tech Publications Ltd: Physical Chemistry Laboratory, Chemistry Department, Faculty of Mathematics and Natural Science, Universitas Gadjah Mada, Sekip Utara, Yogyakarta, 55281, Indonesia, 2024; Vol. 365, pp 63–75. https://doi.org/10.4028/p-5mXuLj. (24) Amin, A. K.; Trisunaryanti, W.; Wijaya, K. Gasoline-Range Hydrocarbon Production from Hydrocracking of LDPE Plastic Waste Utilizing Nickel-Promoted Sulfated Nanozirconia Catalyst. In AIP Conference Proceedings; L., H., N., M., P., S., Eds.; American Institute of Physics Inc.: Research Center for Chemistry, National Research and Innovation Agency, KST BJ Habibie, South Tangerang, 15314, Indonesia, 2023; Vol. 2958. https://doi.org/10.1063/5.0174648. (25) Wiratini, N. M.; Trisunaryanti, W.; Triyono; Kuncaka, A. Electrochemical Removal of Remazol Black 5 (RB-5) Using SiO2/NiO/Ni Nanocomposite Electrocatalyst Deposited on the Surface of Graphite Electrodes. Evergreen 2023, 10 (3), 1274–1285. https://doi.org/10.5109/7151673. (26) Darwanta, D.; Trisunaryanti, W.; Wijaya, K.; Purwono, S. Synthesis and Catalytic Performance of Ni/Silica Pillared Clay on HDPE Plastic Hydrocracking to Produce Liquid Hydrocarbons as Fuel. Iran. J. Catal. 2023, 13 (2), 135–155. https://doi.org/10.30495/IJC.2023.1979198.1992. (27) Alisha, G. D.; Trisunaryanti, W.; Syoufian, A.; Larasati, S. Synthesis of High Stability Mo/SiO2 Catalyst Utilizing Parangtritis Beach Sand for Hydrocracking Waste Palm Oil into Biofuel. Biomass Convers. Biorefinery 2023, 13 (12), 11041–11055. https://doi.org/10.1007/s13399-021-02064-x. (28) Trisunaryanti, W.; Wijaya, K.; Kartini, I.; Purwono, S.; Mara, A.; Budiansyah, A. Preparation of Mo-Impregnated Mordenite Catalysts for the Conversion of Refined Kernel Palm Oil into Bioavtur. Commun. Sci. Technol. 2023, 8 (2), 226–234. https://doi.org/10.21924/cst.8.2.2023.1288. (29) Ramdhani, D. A.; Trisunaryanti, W. Study of Green and Sustainable Heterogeneous Catalyst Produced from Javanese Moringa Oleifera Leaf Ash for the Transesterification of Calophyllum Inophyllum Seed Oil. Commun. Sci. Technol. 2023, 8 (2), 124–133. https://doi.org/10.21924/cst.8.2.2023.1202. (30) Triyono, T.; Trisunaryanti, W.; Falah, I. I.; Rahmi, L. Effect of Acetic Acid and/or Sodium Hydroxide Treatment towards Characters of Wonosari Natural Zeolite for Hydrotreatment of Castor Oil into Biofuel. Indones. J. Chem. 2023, 23 (2), 298–308. https://doi.org/10.22146/ijc.73746. (31) Safitri, W. N.; Habiddin, H.; Ulfa, M.; Trisunaryanti, W.; Bahruji, H.; Holilah, H.; Rohmah, A. A.; Sholeha, N. A.; Jalil, A. A.; Santoso, E.; Prasetyoko, D. Dual Template Using P123-Gelatin for Synthesized Large Mesoporous Silica for Enhanced Adsorption of Dyes. South African J. Chem. Eng. 2023, 43, 312–326. https://doi.org/10.1016/j.sajce.2022.11.011. (32) Sari, E. P.; Wijaya, K.; Trisunaryanti, W.; Syoufian, A.; Hasanudin, H.; Saputri, W. D. The Effective Combination of Zirconia Superacid and Zirconia-Impregnated CaO in Biodiesel Manufacturing: Utilization of Used Coconut Cooking Oil (UCCO). Int. J. Energy Environ. Eng. 2022, 13 (3), 967–978. https://doi.org/10.1007/s40095-021-00439-4. (33) Septiyaningrum, R.; Amin, A. K.; Trisunaryanti, W.; Wijaya, K. Synthesis of SO4/ZrO2 Catalyst and Its Application in the Conversion of Ethanol to Diethyl Ether. Iran. J. Catal. 2022, 12 (4), 439–450. https://doi.org/10.30495/IJC.2022.1963196.1948. (34) Trisunaryanti, W.; Wijaya, K.; Triyono, T.; Wahyuningtyas, N.; Utami, S. P.; Larasati, S. Characteristics of Coconut Shell-Based Activated Carbon as Ni and Pt Catalyst Supports for Hydrotreating Calophyllum Inophyllum Oil into Hydrocarbon-Based Biofuel. J. Environ. Chem. Eng. 2022, 10 (5). https://doi.org/10.1016/j.jece.2022.108209. (35) Alisha, G. D.; Trisunaryanti, W.; Syoufian, A. Mesoporous Silica from Parangtritis Beach Sand Templated by CTAB as a Support of Mo Metal as a Catalyst for Hydrocracking of Waste Palm Cooking Oil into Biofuel. Waste and Biomass Valorization 2022, 13 (2), 1311–1321. https://doi.org/10.1007/s12649-021-01559-y. (36) Salamah, S.; Trisunaryanti, W.; Kartini, I.; Purwono, S. Synthesis of Mesoporous Silica from Beach Sand by Sol-Gel Method as a Ni Supported Catalyst for Hydrocracking of Waste Cooking Oil. Indones. J. Chem. 2022, 22 (3), 726–741. https://doi.org/10.22146/ijc.70415. (37) Salamah, S.; Trisunaryanti, W.; Kartini, I.; Purwono, S. Hydrocracking of Waste Cooking Oil into Biofuel Using Mesoporous Silica from Parangtritis Beach Sand Synthesized with Sonochemistry. Silicon 2022, 14 (7), 3583–3590. https://doi.org/10.1007/s12633-021-01117-0. (38) Alisha, G. D.; Trisunaryanti, W.; Syoufian, A. Hydrocracking of Waste Palm Cooking Oil into Hydrocarbon Compounds over Mo Catalyst Impregnated on SBA-15. Silicon 2022, 14 (5), 2309–2315. https://doi.org/10.1007/s12633-021-01035-1. (39) Aziz, I. T. A.; Saputri, W. D.; Trisunaryanti, W.; Sudiono, S.; Syoufian, A.; Budiman, A.; Wijaya, K. Synthesis of Nickel-Loaded Sulfated Zirconia Catalyst and Its Application for Converting Used Palm Cooking Oil to Gasoline via Hydrocracking Process. Period. Polytech. Chem. Eng. 2022, 66 (1), 101–113. https://doi.org/10.3311/PPch.18209. (40) Trisunaryanti, W.; Kartika, I. A.; Mukti, R. R.; Hartati, H.; Triyono, T.; Widyawati, R.; Suarsih, E. Preparation of Ni- and Mo-Based Catalysts Supported on γ-Al2O3 for Hydrocracking of Calophyllum Inophyllum Oil. Biofuels 2022, 13 (2), 231–236. https://doi.org/10.1080/17597269.2019.1669871. (41) Trisunaryanti, W.; Triyono, T.; Fallah, I. I.; Salsiah, S.; Alisha, G. D. Highly Selective Bio-Hydrocarbon Production Using Sidoarjo Mud Based-Catalysts in the Hydrocracking of Waste Palm Cooking Oil. Bull. Chem. React. Eng. Catal. 2022, 17 (4), 712–724. https://doi.org/10.9767/bcrec.17.4.15472.712-724. (42) Nuryanto, R.; Widodo, D. S.; Suseno, A.; Trisunaryanti, W. THE EFFECT OF CALCINATION TEMPERATURE ON SILICA-ALUMINA CHARACTER FROM LAPINDO MUD EXTRACT BY TEMPLATE CATFISH BONES GELATIN. Rasayan J. Chem. 2022, 15 (2), 1137–1144. https://doi.org/10.31788/RJC.2022.1526781. (43) Chasanah, U.; Trisunaryanti, W.; Oktaviano, H. S.; Triyono, T.; Fatmawati, D. A. Role of Temperature and Exposure Time for Controlled and Accelerated Synthesis of Graphene Oxide Using Tour Method. Indones. J. Chem. 2022, 22 (5), 1205–1217. https://doi.org/10.22146/ijc.71817. (44) Trisunaryanti, W.; Novianti, S. A.; Fatmawati, D. A.; Triyono, T.; Ulfa, M.; Prasetyoko, D. Simple and Green Preparation of ZnO Blended with Highly Magnetic Silica Sand from Parangtritis Beach as Catalyst for Oxidative Desulfurization of Dibenzothiophene. Indones. J. Chem. 2022, 22 (2), 455–467. https://doi.org/10.22146/ijc.69938. (45) Trisunaryanti, W.; Santoso, N. R.; Fatmawati, D. A. COMPARATIVE STUDY OF Co/MESOPOROUS SILICA AND Co-NH2/MESOPOROUS SILICA CATALYSTS ACTIVITY IN WASTE COCONUT OIL HYDROCRACKING. Rasayan J. Chem. 2022, 15 (1), 579–585. https://doi.org/10.31788/RJC.2022.1516280. (46) Chasanah, U.; Trisunaryanti, W.; Oktaviano, H. S.; Santoso, I.; Fatmawati, D. A. Study of Green Reductant Effects of Highly Reduced Graphene Oxide Production and Their Characteristics. Commun. Sci. Technol. 2022, 7 (2), 103–111. https://doi.org/10.21924/cst.7.2.2022.906. (47) Trisunaryanti, W.; Triyono, T.; Nandini, E. S.; Suarsih, E. Biomass Valorization to Chemicals over Cobalt Nanoparticles on SBA-15. Bull. Chem. React. Eng. Catal. 2022, 17 (3), 533–541. https://doi.org/10.9767/bcrec.17.3.15160.533-541. (48) Fatmawati, D. A.; Triyono, T.; Trisunaryanti, W.; Chasanah, U. Microwave-Assisted Chemical Co-Reduction of Pd Nanoparticles Anchored on Reduced Graphene Oxide with Different Loading Amounts. Indones. J. Chem. 2022, 22 (5), 1282–1292. https://doi.org/10.22146/ijc.73206. (49) Trisunaryanti, W.; Azizah, S. N.; Fatmawati, D. A.; Triyono, T.; Ningrum, N. C. Performance of a Hybrid Catalyst from Amine Groups and Nickel Nanoparticles Immobilized on Lapindo Mud in Selective Production of Bio-Hydrocarbons. Indones. J. Chem. 2022, 22 (4), 896–912. https://doi.org/10.22146/ijc.70667. (50) Ibrahim, M. S.; Trisunaryanti, W.; Triyono, T. Nickel Supported Parangtritis Beach Sand (PP) Catalyst for Hydrocracking of Palm and Malapari Oil into Biofuel. Bull. Chem. React. Eng. Catal. 2022, 17 (3), 638–649. https://doi.org/10.9767/bcrec.17.3.15668.638-649. (51) Trisunaryanti, W.; Triyono, T.; Purwono, S.; Purwanti, A. S.; Sumbogo, S. D. Synthesis of Mesoporous Carbon from Merbau Sawdust as a Nickel Metal Catalyst Support for Castor Oil Hydrocracking. Bull. Chem. React. Eng. Catal. 2022, 17 (1), 216–224. https://doi.org/10.9767/bcrec.17.1.12940.216-224. (52) Fatmawati, D. A.; Trisunaryanti, W.; Chasanah, U. EFFECT OF METAL CONCENTRATION ON PHYSICOCHEMICAL PROPERTIES OF COBALT/REDUCED GRAPHENE OXIDE THROUGH ONE-POT GREENER CHEMICAL-THERMAL REDUCTION USING ULTRASONIC ACTIVATION. Rasayan J. Chem. 2022, 15 (4), 2969–2975. https://doi.org/10.31788/RJC.2022.1546923. (53) Aprilliani, M. N.; Rusdiarso, B.; Trisunaryanti, W. Synthesis of Activated Carbon-Fe3O4 Composite as Gasoline Adsorbent in Gasoline-Water Mixture and Its Adsorption Kinetics Study. Evergreen 2022, 9 (3), 701–710. (54) Kartika, I. A.; Sumbogo, S. D.; Fataya, I.; Trisunaryanti, W.; Sailah, I. Optimization of Calophyllum Oil Extraction and Its Application for Biogasoline. In IOP Conference Series: Earth and Environmental Science; Institute of Physics: Department of Agroindustrial Technology, IPB University, Dramaga Campus, Bogor, 16680, Indonesia, 2022; Vol. 1034. https://doi.org/10.1088/1755-1315/1034/1/012035. (55) Ulfa, M.; Prasetyoko, D.; Trisunaryanti, W.; Bahruji, H.; Fadila, Z. A.; Sholeha, N. A. The Effect of Gelatin as Pore Expander in Green Synthesis Mesoporous Silica for Methylene Blue Adsorption. Sci. Rep. 2022, 12 (1). https://doi.org/10.1038/s41598-022-19615-5. (56) Trisunaryanti, W.; Alethiana, A.; Falah, I. I.; Fatmawati, D. A. Effective Production of Biofuel from Used Cooking Oil over Ni–Pd Loaded on Amine-Functionalized Lapindo Mud Catalyst. React. Kinet. Mech. Catal. 2022, 135 (2), 951–970. https://doi.org/10.1007/s11144-022-02191-0. (57) Nugroho, A.; Nursanto, E. B.; Curie, C. A.; Oktaviano, H. S.; Ainurrachma, F.; Trisunaryanti, W. Utilisation of Gelatin as Nitrogen Source for N-Doped Carbon Nanotubes and Its Performance for the Oxygen Reduction Reaction. Adv. Nat. Sci. Nanosci. Nanotechnol. 2022, 13 (3). https://doi.org/10.1088/2043-6262/ac8660. 2021 ZnO-activated carbon blended as a catalyst for oxidative desulfurization of dibenzothiopheneW Trisunaryanti, SD Sumbogo, SA Novianti, DA Fatmawati, M Ulfa, …Bulletin of Chemical Reaction Engineering & Catalysis 16 (4), 881-887 2021 Hydrothermal Treatment to Produce Honeycomb-like Structure of Hierarchical Carbon from Intsia, spp Waste Wood: Preparation and CharacterisationD Santi, W Trisunaryanti, II Falah, JV Morin New Innovations in Chemistry and Biochemistry Vol. 5, 71-83 2021 Investigations of the influence of non-metal dopants on the electronic and photocatalytic properties of ZrTiO4 by density functional theory calculationsH Fawrin, LA Marlina, AS Hutama, W Trisunaryanti Computational Condensed Matter 29, e00607 2021 Hydrothermal treatment of SO4/TiO2 and TiO2/CaO as heterogeneous catalysts for the conversion of Jatropha oil into biodieselRA Pratika, K Wijaya, W Trisunaryanti Journal of Environmental Chemical Engineering 9 (6), 106547 2021 Synthesis of high stability Mo/SiO2 catalyst utilizing Parangtritis beach sand for hydrocracking waste palm oil into biofuelGD Alisha, W Trisunaryanti, A Syoufian, S Larasati Biomass Conversion and Biorefinery, 1-15 1 2021 The Treatments Effect of on HNO Characteristics 3 and/or NaOH of MordeniteW Trisunaryanti, K Wijaya, D Suryani, U Chasanah Advances in Geopolymer-Zeolite Composites: Synthesis and Characterization, 155 2021 Performance of low-content Pd and high-content Co, Ni supported on hierarchical activated carbon for the hydrotreatment of Calophyllum inophyllum oil (CIO)W Trisunaryanti, SD Sumbogo, RR Mukti, IA Kartika Reaction Kinetics, Mechanisms and Catalysis 134 (1), 259-272 2 2021 Effect of CTAB Ratio to the Characters of Mesoporous Silica Prepared from Rice Husk Ash in the Pyrolysis of a–celluloseNM Wulandari, L Efiyanti, W Trisunaryanti, HS Oktaviano, S Bahri, … Bulletin of Chemical Reaction Engineering & Catalysis 16 (3), 632-640 1 2021 Understanding Pore Surface Modification of Sucrose-Modified Iron Oxide/Silica Mesoporous Composite for Degradation of Methylene BlueYE Pertiwi, M Ulfa, TE Saraswati, D Prasetyoko, W Trisunaryanti Bulletin of Chemical Reaction Engineering & Catalysis 16 (3), 459-471 1 2021 Green synthesis of hierarchical porous carbon prepared from coconut lumber sawdust as Ni-based catalyst support for hydrotreating Callophyllum inophyllum oilW Trisunaryanti, K Wijaya, T Triyono, AR Adriani, S Larasati Results in Engineering 11, 100258 12 2021 Synthesis of nickel catalyst supported on ZrO2/SO4 pillared bentonite and its application for conversion of coconut oil into gasoline via hydrocracking processK Wijaya, MA Kurniawan, WD Saputri, W Trisunaryanti, M Mirzan, … Journal of Environmental Chemical Engineering 9 (4), 105399 16 2021 PREPARATION OF Co, Ni, AND Zn-BASED CATALYST SUPPORTED ON MESOPOROUS CARBON FOR HYDROCRACKING OF PYROLYZED α-CELLULOSEWT Triyono, A Syoufian, AP Wibawa, E Suarsih, DA Fatmawati environmental pollution 14 (3), 1965-1971 2021 Optimisation of concurrent Calophyllum oil-resin extraction and separationI Kartika, M Cerny, V Vandenbossche, P Evon, W Trisunaryanti, R Mukti, … Research in Agricultural Engineering 67 (2), 84-91 1 2021 Synthesis of Mesoporous Silica From Beach Sand Using Variation of Cetyl Trimethyl Ammonium Bromide (CTAB)L Efiyanti, W Trisunaryanti, S Bahri, YL Ni’mah, NM Wulandari, … 3rd KOBI Congress, International and National Conferences (KOBICINC 2020 … 2021 Impregnated Zeolite as Catalyst in Esterification Treatment from High Free Fatty Acids Palm Oil Mill EffluentIK Nugraheni, N Nuryati, AAB Persada, T Triyono, W Trisunaryanti Jurnal Rekayasa Kimia & Lingkungan 16 (1), 19-27 1 2021 Hydrocracking of waste cooking oil into biofuel using mesoporous silica from Parangtritis Beach sand synthesis by sonochemistryS Salamah, W Trisunaryanti, I Kartini, S Purwono 2 2021 Graphitic microporous carbon (GMiC) prepared using bidara leaf powder (Ziziphus mauritania) as a natural templateM Ulfa, W Trisunaryanti, YN Nikmah AIP Conference Proceedings 2331 (1), 040040 2021 The influence of metal loading amount on Ni/mesoporous silica extracted from Lapindo mud templated by CTAB for conversion of waste cooking oil into biofuelC Paramesti, W Trisunaryanti, S Larasati, NR Santoso, S Sudiono, … Bulletin of Chemical Reaction Engineering & Catalysis 16 (1), 22-30 2 2021 The Effect of HNO3 and/or NaOH Treatments on Characteristics of MordeniteW Trisunaryanti, K Wijaya, D Suryani, U Chasanah Advances in Geopolymer-Zeolite Composites-Synthesis and Characterization 1 2021 Modification of Mordenite Characteristics by H2C2O4 and/or NaOH Treatments and Its Catalytic Activity Test in Hydrotreating of Pyrolyzed α-CelluloseT Triyono, W Trisunaryanti, YW Putri, DA Fatmawati, U Chasanah Bulletin of Chemical Reaction Engineering & Catalysis 16 (1), 9-21 2 2021 Synthesis and characterization of mesoporous silica from beach sands as silica sourceS Salamah, W Trisunaryanti, I Kartini, S Purwono IOP Conference Series: Materials Science and Engineering 1053 (1), 012027 5 2021 Optimisation of concurrent Calophyllum oil-resin extraction and separationI Amalia Kartika, M Cerny, V Vandenbossche Maréchal, P Evon, … Research in Agricultural Engineering 67, 84-91 2021 SENSOR VOLTAMETRI SIMULTAN BERBASIS EUGENOL TERELEKTROPOLIMERISASI DENGAN TEMPLAT RANGKAP UNTUK ARBUTIN DAN HIDROKUIN PADA KRIM PEMUTIH KULITS MARWATI, D Siswanta, W Trisunaryanti, IS Yosephine Universitas Gadjah Mada 2021 Graphite/NiO/Ni Electrode for Electro-oxidation of the Remazol Black 5 DyeNM Wiratini, T Triyono, W Trisunaryanti, A Kuncaka Bulletin of Chemical Reaction Engineering & Catalysis 16 (4), 847 2 2021 The Effects of Manganese Dopant Content and Calcination Temperature on Properties of Titania-Zirconia CompositeMI Muslim, R Kurniawan, MF Pradipta, W Trisunaryanti, A Syoufian Indonesian Journal of Chemistry 21 (4), 882-890 1 2021 Conversion of polystyrene plastic waste and used palm oil co-reactant into liquid fuel using al-mcm-41/ceramics catalystH Juwono, W Trisunaryanti, L Efiyanti, S Bahri, K Amri, A Assari, … Rasayan Journal of Chemistry 14 (2), 1049-1056 2 2021 Activity of Ni-NH2/Mesoporous Silica Material as Bifunctional Catalyst for Hydrocracking of Used Cooking OilW Trisunaryanti, T Triyono, SAN Hadjarningrum, DA Fatmawati Key Engineering Materials 884, 83-89 2021 Hydrotreatment of Cellulose-Derived Bio-Oil Using Copper and/or Zinc Catalysts Supported on Mesoporous Silica-Alumina Synthesized from Lapindo Mud and Catfish BoneF Swasdika, W Trisunaryanti, II Falah Indonesian Journal of Chemistry 21 (2), 268-278 1* 2021 Hydrochloric acid and/or sodium hydroxide-modified zeolite y for catalytic hydrotreating of α-cellulose bio-oilJ Mandela, W Trisunaryanti, T Triyono, M Koketsu, DA Fatmawati Indonesian Journal of Chemistry 21 (4), 787-796 2021 Hydrocracking of Calophyllum inophyllum oil employing co and/or Mo supported on γ-Al2O3 for biofuel productionW Trisunaryanti, T Triyono, MA Ghoni, DA Fatmawati, PN Mahayuwati, … Bulletin of Chemical Reaction Engineering & Catalysis 15 (3), 743-751 6 2020 Pure hierarchical ZSM-5 from Indonesian Kaolin by organic template-free methodHartati, AA Widati, IN Aslichah, HD Koesoemo, W Trisunaryanti, IA Kartika, … AIP Conference Proceedings 2314 (1), 020010 2020 Performance comparison of Ni-Fe loaded on NH2-functionalized mesoporous silica and beach sand in the hydrotreatment of waste palm cooking oilW Trisunaryanti, S Larasati, S Bahri, Y lailun Ni’mah, L Efiyanti, K Amri, … Journal of Environmental Chemical Engineering 8 (6), 104477 15 2020 Highly selective hierarchical ZSM-5 from kaolin for catalytic cracking of Calophyllum inophyllum oil to biofuelW Trisunaryanti, RR Mukti, IA Kartika, PBD Firda, SD Sumbogo, … Journal of the Energy Institute 93 (6), 2238-2246 18 2020 Electrochemical Sensor for Hydroquinone based on Polyeugenol/PVA-Modified Graphite ElectrodeS Marwati, W Trisunaryanti, ISY Louise, D Siswanta Int. J. Electrochem. Sci 15, 11509-11521 2020 The synthesis of SO4/ZrO2 and Zr/CaO catalysts via hydrothermal treatment and their application for conversion of low-grade coconut oil into biodieselMS La Ore, K Wijaya, W Trisunaryanti, WD Saputri, E Heraldy, … Journal of Environmental Chemical Engineering 8 (5), 104205 23 2020 Selective production of green hydrocarbons from the hydrotreatment of waste coconut oil over Ni-and NiMo-supported on amine-functionalized mesoporous silicaW Trisunaryanti, S Larasati, T Triyono, C Paramesti, NR Santoso Bulletin of Chemical Reaction Engineering & Catalysis 15 (2), 415-431 12 2020 Hydrocracking of pyrolyzed α-cellulose to hydrocarbon over MxOy/Mesoporous carbon catalyst (M= Co and Mo): Synthesis and characterization of carbon-based catalyst support from …D Santi, W Trisunaryanti, II Falah Journal of Environmental Chemical Engineering 8 (3), 103735 16 2020 Polyeugenol-modified graphite electrode for determination of hydroquinone in cosmeticS Marwati, D Siwanta, W Trisunaryanti, ISY Louise Journal of Physics: Conference Series 1485 (1), 012034 2 2020 Exploring preferential solvation, structure and dynamical properties or Rb+ in aqueous ammonia solution using ab initio Quantum Mechanical Charge Field (QMCF)Y Hidayat, HD Pranowo, W Trisunaryanti Journal of Molecular Liquids 298, 112027 4 2020 Dealuminated and desilicated natural zeolite as a catalyst for hydrocracking of used cooking oil into biogasolineSE Purba, K Wijaya, W Trisunaryanti, RA Pratika Mediterr. J. Chem 11, 74-83 4 2020 Synthesis of ordered nanoarrays activated carbon using SBA-15 as hard template for adsorption of ibuprofenM Ulfa, D Prasetyoko, H Bahruji, W Trisunaryanti, YL Nimah Malaysian Journal of Analytical Sciences 24 (6), 992-1001 1 2020 PREPARASI PALM OIL MILL EFFLUENT (POME) SEBAGAI BAHAN BAKU PEMBUATAN BIODISEL MENGGUNAKAN KATALIS KOHD Sarwanto, IK Nugraheni, N Nuryati, AA BP, T Triyono, W Trisunaryanti Jurnal Ilmiah Berkala Sains dan Terapan Kimia 14 (2) 2020 Acid-Alkaline Treatment of Mordenite and Its Catalytic Activity in the Hydrotreatment of Bio-OilF Yusniyanti, W Trisunaryanti, T Triyono Indonesian Journal of Chemistry 21 (1), 37-45 2 2020 SYNTHESIS OF Co-NH2/MESOPOROUS SILICA BIFUNCTIONAL CATALYST USING SIDOARJO MUD AND BOVINE BONE GELATIN TEMPLATE FOR CONVERSION OF USED COOKING OIL INTO BIOFUELW Trisunaryanti, Triyono, DA Fatmawati Rasayan Journal of Chemistry 13 (1), 723-732 8 2020 SYNTHESIS of Pd/SILICA-ALUMINA MESOPOROUS CATALYST BY USING CATFISH GELATIN AS TEMPLATE FOR HYDROTREATMENT OF PYROLYZED α-CELLULOSEWiharti, W Trisunaryanti, Triyono, MF Marsuki Rasayan Journal of Chemistry 13 (2), 1104-1111 2020 SYNTHESIS AND CHARACTERIZATION OF Ni-NH2/MESOPOROUS SILICA CATALYST FROM LAPINDO MUD FOR HYDROCRACKING OF WASTE COOKING OIL INTO BIOFUELW Trisunaryanti, Triyono, C Paramesti, S Larasati, NR Santoso, … Rasayan Journal of Chemistry 13 (3), 1386-1393 5 2020 Coating of Pd and Co on Mordenite for a Catalyst of Hydrotreating of Cashew Nut Shell Liquid into BiofuelMT Hapsari, W Trisunaryanti, II Falah Indonesian Journal of Chemistry 20 (5), 1092-1100 2 2020 Sonicated-Assisted Acid Treatment of Mordenite Using Acetic AcidT Triyono, W Trisunaryanti, F Yusniyanti Key Engineering Materials 840, 520-525 2020 Cobalt doping on zirconium titanate as a potential photocatalyst with visible-light-responseEF Sulaikhah, R Kurniawan, MF Pradipta, W Trisunaryanti, A Syoufian Indonesian Journal of Chemistry 20 (4), 911-918 5 2020 THE EFFECT OF NICKEL CONTENT IMPREGNATED ON ZEOLITE TOWARD CATALYTIC ACTIVITY AND SELECTIVITY FOR HYDROTREATING OF CASHEW NUT SHELL LIQUID OILML Permata, W Trisunaryanti, II Falah, MT Hapsari, DA Fatmawati Rasayan Journal of Chemistry 13 (1), 772-779 13 2020 Synthesis and characterization of Ni-promoted zirconia pillared bentoniteM Mirzan, K Wijaya, II Falah, W Trisunaryanti Journal of Physics: Conference Series 1242 (1), 012013 2019 Synthesis of Mesoporous Carbon from Merbau Wood (Intsia spp.) by Microwave Method as Ni Catalyst Support for α-Cellulose HydrocrackingAD Prasiwi, W Trisunaryanti, T Triyono, II Falah, D Santi, MF Marsuki Indonesian Journal of Chemistry 19 (3), 575-582 5 2019 Hydrothermal preparation of a platinum-loaded sulphated nanozirconia catalyst for the effective conversion of waste low density polyethylene into gasoline-range hydrocarbonsM Utami, W Trisunaryanti, K Shida, M Tsushida, H Kawakita, K Ohto, … RSC advances 9 (71), 41392-41401 13 2019 Chrom/Nanocomposite ZrO2-Pillared Bentonite Catalyst for Castor Oil (Ricinus communis) HydrocrackingK Wijaya, A Syoufian, A Fitroturokhmah, W Trisunaryanti, D Adi Saputra Nano Hybrids and Composites 27, 31-37 4 2019 Kinetic Study of α-cellulose Hydrocracking Using Ni and Pd Supported on Mordenite CatalystsW Trisunaryanti, DD Ristiana, LP Hastuti Oriental Journal of Chemistry 35 (2), 643 4 2019 Synthesis of Ni/Mesoporous Silica-Alumina Using Sidoarjo Mud and Bovine Bone Gelatin Template for Hydrocracking of Waste LubricantW Trisunaryanti, II Falah, DR Prihandini, MF Marsuki Rasayan Journal of Chemistry 12 (3), 1523-1529 4 2019 Effect of promoters and calcination temperature on surface and acidity of modified zirconiaAK Amin, W Trisunaryanti, K Wijaya Journal of Nano Research 57, 31-39 4 2019 Synthesis of Iron-Doped Zirconium Titanate as a Potential Visible-Light Responsive PhotocatalystR Kurniawan, S Sudiono, W Trisunaryanti, A Syoufian Indonesian Journal of Chemistry 19 (2), 454-460 5 2019 Well-dispersed nickel nanoparticles on the external and internal surfaces of SBA-15 for hydrocracking of pyrolyzed α-celluloseW Trisunaryanti, E Suarsih, II Falah RSC advances 9 (3), 1230-1237 27 2019 Physical properties of palm oil mill effluent transesterification with local zeoliteIK Nugraheni, N Nuryati, AA B. Persada, T Triyono, W Trisunaryanti AIP Conference Proceedings 2024 (1), 020042 3 2018 Synthesis of Ce-mesoporous silica catalyst and its lifetime determination for the hydrocracking of waste lubricantW Trisunaryanti, T Triyono, II Falah, AD Siagian, MF Marsuki Indonesian Journal of Chemistry 18 (3), 441-447 6 2018 Pt-promoted sulfated zirconia as catalyst for hydrocracking of LDPE plastic waste into liquid fuelsM Utami, K Wijaya, W Trisunaryanti Materials Chemistry and Physics 213, 548-555 43 2018 Material Katalis dan KarakternyaW Trisunaryanti UGM PRESS 27 2018 Dari Sampah Plastik Menjadi Bensin SolarW Trisunaryanti UGM PRESS 26 2018 Konversi Fraksi Aspal Buton Menjadi Fraksi Bahan BakarW Trisunaryanti UGM PRESS 4 2018 Transesterification of Waste Cooking Oil Using NH2/MCM-41 Base Catalyst: Effect of Methanol/Oil Mole Ratio and Catalyst/Oil Weight Ratio towards Conversion of …W Trisunaryanti, AD Putri, A Lutfiana, K Dewi Asian Journal of Chemistry 30 (5) 4 2018 Intervention effect of liquid smoke of pyrolysis result of coconut shell on profile of pH fillet of lates calcariferSS Krisen, B Setiaji, W Trisunaryanti, HD Pranowo Proceeding of International Conference on Research, Implementation and … 1 2018 Extraction of gelatin from catfish bone using NaOH and its utilization as a template on mesoporous silica aluminaR Nuryanto, W Trisunaryanti, II Falah IOP Conference Series: Materials Science and Engineering 349 (1), 012051 4 2018 Hydrocracking of α-cellulose Using Co, Ni, and Pd supported on mordenite catalystsW Trisunaryanti, T Triyono, R Armunanto, LP Hastuti, DD Ristiana, … Indonesian Journal of Chemistry 18 (1), 166-172 15 2018 The catalytic performance of ZrO2-SO4 and Ni/ZrO2-SO4 prepared from commercial ZrO2 in Hydrocracking of LDPE plastic waste into liquid fuelsAK Amin, K Wijaya, W Trisunaryanti Oriental Journal of Chemistry 34 (6), 3070 8 2018 CATALYTIC ACTIVITY TEST OF NiMo AND MoNi IMPREGNATED ON MESOPOROUS CARBON FROM BOVINE BONE GELATIN FOR HYDROCRACKING OF LUBRICANT WASTEFW Artanti, W Trisunaryanti, M Pongsendana, IIF Triyono, MF Marsuki Rasayan J Chem 11 (4), 1443-1440 1 2018 Synthesis and characterization of K2O/MCM-41 (mobil composition of matter no. 41) from lapindo mud by sonochemical method for transesterification catalyst of used cooking oilDP Wijaya, W Trisunaryanti, K Dewi, MF Marsuki Oriental Journal of Chemistry 34 (4), 1847 4 2018 Synthesis and Characterization of Ni-Cu Doped Zirconia-pillared BentoniteA Suseno, K Wijaya, W Trisunaryanti Oriental Journal of Chemistry 34 (3), 1427 6 2018 Synthesis of Co, Mo, Co-Mo and Mo-Co catalysts, supported on mesoporous silica-alumina for hydrocracking of α-cellulose pyrolysis oilMF Marsuki, W Trisunaryanti, II Falah, K Wijaya Oriental Journal of Chemistry 34 (2), 955 10 2018 Synthesis of mesoporous silica-alumina from lapindo mud as a support of Ni and Mo metals catalysts for hydrocracking of pyrolyzed α-celluloseH Kusumastuti, W Trisunaryanti, II Falah, MF Marsuki Rasayan J Chem 11 (2), 522-530 25 2018 Transesterification of used cooking oil using CaO/MCM-41 catalyst synthesized from lapindo mud by sonochemical methodIBP Mahardika, W Trisunaryanti, T Triyono, DP Wijaya, K Dewi Indonesian Journal of Chemistry 17 (3), 509-515 13 2017 Hydrocracking of waste lubricant into gasoline fraction over CoMo catalyst supported on mesoporous carbon from bovine bone gelatinM Pongsendana, W Trisunaryanti, FW Artanti, II Falah Korean Journal of Chemical Engineering 34 (10), 2591-2596 20 2017 Viskositas Produk Hidrocracking Crude Oil Batubara Dengan Katalis Ni/Mo-Montmorillonit Terpilar TiO2H Hasanudin, K Wijaya, A Rahmad, W Trisunaryanti Jurnal Penelitian Sains 11 (2) 1 2017 Synthesis and characterization of sulfated zirconia mesopore and its application on lauric acid esterificationA Rachmat, W Trisunaryanti, K Wijaya Materials for Renewable and Sustainable Energy 6 (3), 1-9 20 2017 Purification of Methyl Ricinoleate on Producing of Cetane ImproverW Trisunaryanti, W Haryadi Journal of Physics: Conference Series 824 (1), 012018 2017 Effect of sulfuric acid treatment and calcination on commercial zirconia nanopowderM Utami, K Wijaya, W Trisunaryanti Key Engineering Materials 757, 131-137 17 2017 Konversi Gliserol Menjadi Polihidroksibutirat dengan Menggunakan Bakteri Eschericia coliEF Rahayu, W Trisunaryanti, K Wijaya Indonesian Journal of Chemical Science 6 (3), 287-293 2 2017 Preparation of heat-adsorbing materials from coconut shell-tarR Ningrum Journal of Lignocellulose Technology 1 (1), 26-31 3 2016 Wormhole-like mesoporous carbons from gelatine as multistep infiltration effectM Ulfa, W Trisunaryanti, II Falah, I Kartini Indonesian Journal of Chemistry 16 (3), 239-242 24 2016 Paper Strength Development with Beating and Polyamideamine-epichlorohydrin (PAE)M Ulfa, B Setiaji, W Trisunaryanti, T Triyono Indonesian Journal of Physics and Nuclear Applications 1 (3), 123-127 2016 Preparation and characterization Al3+-bentonite Turen Malang for esterification fatty acid (palmitic acid, oleic acid and linoleic acid)A Abdulloh, NS Aminah, Triyono, Mudasir, W Trisunaryanti AIP Conference Proceedings 1718 (1), 070001 1 2016 Synthesis of Mesoporous Carbon using Gelatin as A Carbon Source and SBA-15 as A Template for Dibenzotiophene AdsorptionM Ulfa, W Trisunaryanti, I Falah, I Kartini International Journal of ChemTech Research 9, 9555 6 2016 Sutarno, II Falah and TriyonoW Trisunaryanti, PS Lisna, I Kartini Asian J. Chem 28 (5), 996 6 2016 Study of the acidic properties of ZrO2-pillared bentoniteA Suseno, K Wijaya, W Trisunaryanti IOP Conference Series: Materials Science and Engineering 107 (1), 012040 1 2016 Extraction of gelatin from bovine bone and its use as template in synthesis of mesoporous silicaW Trisunaryanti, PS Lisna, I Kartini, II Falah Asian Journal of Chemistry 28 (5), 996 8 2016 Synthesis and Characterization of ZrO2-Pillared Bentonites.A Suseno, K Wijaya, W Trisunaryanti, M Shidiq Asian Journal of Chemistry 27 (7) 14 2015 Synthesis and Application of Alumina Pillared Bentonite Catalyst for Esterification of Acetic Acid with Different Alcohols.P Wahyuningsih, K Wijaya, W Trisunaryanti, A Mara Asian Journal of Chemistry 27 (4) 2 2015 Characterization of gelatines extracted from cow bone for carbon synthesisM Ulfa, W Trisunaryanti, II Falah, I Kartini Journal of Applied Chemistry 8 (8), 57-63 20 2015 Studies of kinetic on thermal decomposition of mesoporous carbon of gelatin by thermogravimetric techniqueM Ulfa, W Trisunaryanti, II Falah, I Kartini International Journal of Innovation and Applied Studies 7 (3), 849 7 2014 Nitrogen Sorption Evaluation of the Porous Carbon Made from Cow GelatinM Ulfa, W Trisunaryanti, II Falah, I Kartini Journal of Chemical Engineering and Chemistry Research 1 (2), 101-109 4 2014 Effect of pyrolisis temperature and distillation on character of coconut shell liquid smokeJZ Lombok, B Setiaji, W Trisunaryanti, K Wijaya Asian Journal of Science and Technology 5 (6), 320-325 44 2014 Hidrorengkah katalitik minyak kulit biji jambu mete (CNSL) menjadi fraksi bensin dan dieselL Efiyanti, W Trisunaryanti Jurnal Penelitian Hasil Hutan 32 (1), 71-81 6 2014 Pengaruh penambahan logam K, Li, Na dalam katalis Ni-Karbon terhadap konversi perengkahan katalitik crude palm oil (CPO) menjadi bensinN Nazarudin, L Muis, A Bakar, L AN, W Trisunaryanti, T Triyono, U Ulyarti Prosiding seminar nasional teknologi pengolahan mineral dan biomassa 1 2014 Identification of antibacterial compound from extract coconut shell liquid smokeJZ Lombok, B Setiaji, W Trisunaryanti, K Wijaya Research India Publications 10, 141-151 2014 Study of acid leaching in the preparation of silicon from lapindo mudMAS Al Mubarok, LP Setiawan, M Utami, W Trisunaryanti International Journal of Academic and Scientific Research 2 (4), 31-36 14 2014 Modification of Turen’s Bentonite with A1C13 For Esterification of Palmitic AcidA Abdulloh, S Maryam, NS Aminah, T Triyono, W Trisunaryanti, M Mudasir, … Bulletin of Chemical Reaction Engineering & Catalysis 9 (1), 66-73 9 2014 ANALISIS STRUKTUR MIKRO DAN STRUKTUR KRISTAL KARBON TEMPURUNG KELAPA DAN POLIVINIL ALKOHOL (PVA) PADA TEMPERATUR TINGGIMJ Rampe, B Setiaji, W Trisunaryanti CHEMISTRY PROGRESS 7 (2) 2014 Sintesis Cu (II)/Silika dengan metode sol-gel sebagai antibakteri terhadap Escherichia coli dan Staphylococcus aureusL Tania, K Wijaya, W Trisunaryanti Bimipa 24 (2), 122-134 3 2014 Liquid and Gaseous Fuels from Waste Plastics by Sequential Pyrolysis and Catalytic Reforming Processes over Indonesian Natural Zeolite CatalystsM Syamsiro, S Cheng, W Hu, H Saptoadi, NN Pratama, W Trisunaryanti, … Waste Technology 2 (2), 44-51 32 2014 Synthesis of mesoporous carbon using gelatin as source of carbon by hard template technique and its characterizationsM Ulfa, W Trisunaryanti, II Falah, I Kartini, I Sutarno IOSR Journal of Applied Chemistry 7 (5), 1-7 23 2014 Study of waste lubricant hydrocracking into fuel fraction over the combination of Y-zeolite and ZnO catalystFA Khowatimy, Y Priastomo, E Febriyanti, H Riyantoko, W Trisunaryanti Procedia Environmental Sciences 20, 225-234 29 2014 Fuel production from LDPE plastic waste over natural zeolite supported Ni, Ni-Mo, Co and Co-Mo metalsW Sriningsih, MG Saerodji, W Trisunaryanti, R Armunanto, II Falah Procedia Environmental Sciences 20, 215-224 171 2014 The optimum reaction time, activation energy and frequency factor of methyl ricinoleate nitrationA Abdullah, T Triyono, W Trisunaryanti, W Haryadi Indonesian Journal of Chemistry 13 (1), 36-40 4 2013 Characterization and modification of indonesian natural zeolite for hydrocracking of waste lubricant oil into liquid fuel fractionW Trisunaryanti, A Syoufian, S Purwono Journal of Chemistry and Chemical Engineering 7 (2), 175 18 2013 PENGARUH PERLAKUAN TEMPERATUR PADA SINTESIS BENTONIT TERPILAR Al2O3 TERHADAP KARAKTERNYA DAN APLIKASINYA SEBAGAI KATALIS DALAM REAKSI ESTERIFIKASI; The Effect of Temperature …P Wahyuningsih Universitas Gadjah Mada 1 2013 Energy balance in non-catalytic pyrolysis of plastic wastes to produce liquid fuelH Saptoadi, AK Putra, W Trisunaryanti, Z Alimuddin, M Syamsiro, … Proc. AUN/SEED-Net Regional Conf. on Mechanical and Manufacture Engineering … 1 2013 Characteristics of metal supported-zeolite catalysts for hydrocracking of polyethylene terephthalateW Trisunaryanti, RCN Triyono, H Saptoadi, Z Alimuddin, M Syamsiro, … IORS–JAC 3, 29-34 8 2013 Karakterisasi Dan Aktivitas Katalitik Berbagai Variasi Komposisi Katalis Ni Dan Znbr2 Dalam γ-Al2o3 Untuk Isomerisasi Dan Hidrogenasi (R)-(+)-sitronelalED Iftitah, W Trisunaryanti, R Armunanto Indonesian Journal of Mathematics and Natural Sciences 36 (1) 2013 Hydrocracking of palm oil into biogasoline catalyzed by Cr/natural zeolite.K Wijaya, G Baobalabuana, W Trisunaryanti, A Syoufian Asian Journal of Chemistry 25 (16), 8981-8986 13 2013 OPTIMASI DENGAN RESPONSE SURFACE METHODOLOGY PADA KONDISI REAKSI PERENGKAHAN CRUDE PALM OIL (CPO) MENGGUNAKAN KATALIS Cr-CARBONN Nazarudin, L Muis, W Trisunaryanti, T Triyono Jurnal Sains MIPA Universitas Lampung 13 (12) 2012 Kinetics study on nitration of methyl ricinoleateA Abdullah, T Triyono, W Trisunaryanti, W Haryadi Indonesian Journal of Chemistry 12 (2), 126-130 2 2012 Arief Budiawan MajidY Priastomo, E Febriyanti, W Trisunaryanti, S Hasyyati Universitas 2012 2012 PREPARASI, KARAKTERISASI DAN UJI AKTIVITAS KATALIS CoO-MoO/ZnOZAA UNTUK STEAM REFORMING ISOAMIL ALKOHOLW Trisunaryanti, T Triyono, S Anjarsari Jurnal Sains MIPA Universitas Lampung 6 (3) 2012 PREPARATION AND CHARACTERIZATION OF THE MONOMETAL CATALYST Mo/USYKD Nugrahaningtyas, W Trisunaryanti, T Triyono, N Nuryono, … Alchemy Jurnal Penelitian Kimia 8 (1) 2012 Karakterisasi dan Uji Aktivitas Katalis Mordenit dan Zeolit-Y Pada Hidrorengkah Ban Bekas menjadi Fraksi Bahan BakarW Trisunaryanti, KW Triyono, AB Majid, Y Priastomo, E Febriyanti, … Prosiding Seminar Nasional Kimia Unesa 1 2012 Sifat Fisik dan Mekanik Cocofoam dari Serabut Kelapa dengan Kompon Lateks pada Beberapa Variasi Komposisi CampuranIDK Anom, B Setiaji, W Trisunaryanti, T Triyono Agritech 31 (3) 2012 Karakterisasi dan Uji Aktivitas Katalitik Zeolit Alam Indonesia pada Hidrorengkah Ban Bekas dengan Preparasi Sederhana Characterization of Indonesian Natural Zeolite and Their …AB Majid, T Wega, P Yoga, F Erna, H Syafitri, N Again Prosiding Seminar Nasional Kimia 8 2012 Fabrication and characterization of carbon composite from coconut shell carbonMJ Rampe, B Setiaji, W Trisunaryanti, T Triyono Indonesian Journal of Chemistry 11 (2), 124-130 29 2011 Hidrorengkah Metil Ester Asam Lemak (MEPO) Menggunakan Zeolit Alam Teraktivasi Hydrocracking of Fatty Acid Metil Ester (Fame) Using Activated Natural ZeoliteL Mahardiani, E Kurniawan, W Trisunaryanti, T Triyono Molekul 6 (2), 105-112 3 2011 Characteristics of metals supported-zeolites catalysts on steam reforming of bioethanolW Trisunaryanti, S Purwono, K Dewi Journal of Materials Science and Engineering 5 (3), 341 2 2011 One pot transformation of citronellal to menthol over Ni/γ-Al2O3.ED Iftitah, M Muchalal, W Trisunaryanti, R Armunanto, R Psaro, N Ravasio, … Journal of Applied Sciences Research, 680-689 6 2011 Development of bioethanol production from canna (Canna edulis Ker.) rhizomeK Dewi, W Trisunaryanti, ES Soetarto International Conference biology, environment and chemistry IPCBEE 1 8 2011 Preparation, characterization, and catalytic activity test of Ni-Mo/natural zeolite on pyridine hydrodenitrogenationS Kadarwati, S Wahyuni, W Trisunaryanti, T Triyono Indonesian Journal of Chemistry 10 (3), 327-333 6 2010 Triyono, 2010, The Effect of Temperature on The Crystal Growth of Coconut Shell CarbonMJ Rampe, B Setiaji, W Trisunaryanti Proceeding of the third International Conference on Mathematics and Natural … 7 2010 Cyclization And Hydrogenation Of (+)-Citronellal To Menthols Over ZnBr 2 AND Ni Catalysts Supported On γ-Al 2 O 3ED Iftitah, M Muchalal, W Trisunaryanti, R Armunanto Indonesian Journal of Chemistry 10 (2), 201-206 8 2010 Activity test and regeneration of NiMo/Z catalyst for hydrocracking of waste plastic fraction to gasoline fractionR Rodiansono, W Trisunaryanti Indonesian Journal of Chemistry 5 (3), 261-268 9 2010 Preparation, characterizations and modification of Ni-Pd/natural zeolite catalystsW Trisunaryanti, E Triwahyuni, S Sudiono Indonesian Journal of Chemistry 5 (1), 48-53 19 2010 Study on the rate of reduction of Cr (VI) to Cr (III) by humic acid using continum multicomponent modelUT Santoso, H Herdiansyah, W Trisunaryanti, SJ Santosa Indonesian Journal of Chemistry 4 (1), 12-25 2 2010 MULTIPLE REGRESSION ANALYSIS OF THE INFLUENCE OF CATALYST CHARACTERS SUPPORTED ON γ-Al 2 O 3 TOWARDS THEIR HYDROCRACKING CONVERSION OF ASPHALTENEW Trisunaryanti, T Triyono, M Mudasir, A Syoufian Indonesian Journal of Chemistry 4 (1), 6-11 5 2010 Optimation of time and catalyst/feed ratio in catalytic cracking of waste plastics fraction to gasoline fraction using cr/natural zeolite catalystW Trisunaryanti Indonesian Journal of Chemistry 2 (1), 30-40 23 2010 Selectivity of an Active Natural Zeolite in Catalytic Conversion Process of Bangkirai, Kruing and Kamper Woods Biofuel to Gasoline FractionW Trisunaryanti Indonesian Journal of Chemistry 1 (1), 35-42 3 2010 Triyono.(2010)E Witanto, W Trisunaryanti Preparasi dan Karakterisasi Katalis Ni-Mo/Zeolit Alam Aktif. Skripsi … 3 2010 Compensation Effect in Heterogeneous Catalysis: Correlation between Observed Pre-exponential Factor (AOBS) and Observed Activation Energies (EOBS) of Isoamylalcohol …W Trisunaryanti, S Sudiono Journal of Materials Science and Engineering 4 (1), 57 2010 HYDROCRACKING OF WASTE LUBRICANT OIL INTO LIQUID FUEL FRACTION USING NiO/Nb2O5-HCl-ACTIVATED NATURAL ZEOLITE CATALYST: THE EFFECT OF CONTACT TIME AND REACTION TEMPERATURESW Trisunaryanti, A Putranto, S Purwono The 2nd International Conference on Chemical Science 1 2010 CYCLIZATIONAND HYDROGENATION OF (+)-cITRONELLAL TO MENTHOLS OVER ZnBr2ANDNiCATALYSTSSUPPORTEDONy-A1203E Dhiaullftitah, M Muchalal, W Trisunaryanti, R Armunanto Indonesian Journal of Chemistry 10 (2010) 2010 Calculation of nitrogen adsorption enthalpy on various catalysts using BET-constant (BET-C) dataW Trisunaryanti Journal of Materials Science and Engineering 3 (8), 40 1 2009 Zeolit Alam Indonesia Sebagai Absorben dan Katalis dalam Mengatasi Masalah Lingkungan dan Krisis EnergiW Trisunaryanti Pidato Pengukuhan Jabatan Guru Besar dalam Ilmu Kimia 16 2009 Pengaruh Temperatur terhadap Jumlah Produk Hidrorengkah Fraksi Aspalten dari Aspal Buton dengan Katalis Mo-Ni/γ-AluminaR Nuryanto, W Trisunaryanti, MU Yahya Jurnal Kimia Sains dan Aplikasi 12 (1), 14-16 2009 PREPARATION, CHARACTERIZATION AND CATALYTIC ACTIVITY TEST OF CoMo/ZnO CATALYST ON ETHANOL CONVERSION USING STEAM REFORMING METHODW Trisunaryanti, H Handirofa, T Triyono, S Purwono Indonesian Journal of Chemistry 9 (2), 195-200 3 2009 Preparation and characterization the non-sulfided Metal Catalyst: Ni/USY and NiMo/USYKD Nugrahaningtyas, W Trisunaryanti, T Triyono, N Nuryono, … Indonesian Journal of Chemistry 9 (2), 177-183 17* 2009 Preparation, Characterization, Activity, Deactivation, and Regeneration Tests of CoO-MoO/ZnO and CoO-MoO/ZnO-Activated Zeolite Catalysts for the Hydrogen Production From Fusel OilW Trisunaryanti, I Emmanuel Indonesian Journal of Chemistry 9 (3), 361-367 7 2009 PENGARUH KARAKTER KEASAMAN TOTAL DAN PORI KATALIS ZEOLIT ALAM TERIMPREGNASI LOGAM TERHADAP PEMBENTUKAN FRAKSI BENSIN PADA REAKSI HIDRORENGKAH PLASTIK POLIPROPILENAIF Nurcahyo, W Trisunaryanti, T Triyono, ET Wahyuni Alchemy Jurnal Penelitian Kimia 7 (1) 2008 CALCULATION OF NITROGEN HEAT ADSORPTION ON VARIOUS CATALYSTS USING BET-CONSTANT (BET-C) DATAT Triyono, W Trisunaryanti, O Sidjabat Scientific Contributions Oil and Gas 31 (3), 21-25 2008 Sol-gel Derived Co and Ni Based Catalysts: Application for Steam Reforming of EthanolHS Oktaviano, W Trisunaryanti Indonesian Journal of Chemistry 8 (1), 47-53 2 2008 EFFECT OF CERIUM ON HYDRODESULFURIZATION CATALYST PERFORMANCET Triyono, W Trisunaryanti Indonesian Journal of Chemistry 8 (1), 54-57 2008 CATALYTIC HYDROCRACKING OF WASTE LUBRICANT OIL INTO LIQUID FUEL FRACTION USING ZnO, Nb 2 O 5, ACTIVATED NATURAL ZEOLITE AND THEIR MODIFICATIONW Trisunaryanti, S Purwono, A Putranto Indonesian Journal of Chemistry 8 (3), 342-347 28 2008 PEMBUATAN, KARAKTERISASI DAN UJI AKTIVITAS KATALIS NiMo/Z DAN NiMo/Z-Nb2O5 PADA REAKSI HIDRORENGKAH FRAKSI SAMPAH PLASTIK MENJADI FRAKSI BENSINW Trisunaryanti BIMIPA 17 (2), 43-54 2007 STUDY ON THE CONCENTRATION EFFECT OF Nb 2 O 5-ZAA CATALYST TOWARDS TOTAL CONVERSION OF BIODIESEL IN TRANSESTERIFICATION OF WASTED COOKING OILAT Padmaningsih, W Trisunaryanti, I Tahir Indonesian Journal of Chemistry 6 (3), 268-274 1 2006 Hydrocracking Aspal Buton Dengan Katalisator Nikel-Paladium, Ni-Pd Dalam Pengemban Zeolit.S Purwono, W Trisunaryanti, S Salamah, W Hasyim Forum Teknik 30 (2006) 2006 Preparasi, Karakterisasi, dan Modifikasi Katalis Ni-Pd/Zeolit AlamW Trisunaryanti, E Triwahyuni, S Sudiono Indonesia Journal of Chemistry 5 (1), 48-53 4 2005 Preparasi, modifikasi dan karakterisasi katalis Ni-Mo/zeolit alam dan Mo-Ni/zeolit alamW Trisunaryanti, E Triwahyuni, S Sudiono Teknoin 10 (4) 93 2005 Catalytic hydrocracking of petroleum-derived asphaltenes by transition metal-loaded zeolite catalystsK Usui, K Kidena, S Murata, M Nomura, W Trisunaryanti Fuel 83 (14-15), 1899-1906 48 2004 1-14. 天然アスファルトから得られるアスファルテンの軽質化における水素化処理 ((4) 重質油改質・分解, Session 1 石炭・重質油等)貴傳名甲， 野村正勝， 村田聡 日本エネルギー学会大会講演要旨集 第 13 回日本エネルギー学会大会, 50-51 2004 Pembuatan Biodiesel sebagai Bahan Bakar Alternatif: Transesterifikasi Minyak Kelapa dengan Metanol Menggunakan Katalis NaOHW Trisunaryanti, C Anwar Lembaran publikasi minyak dan gas bumi 38 (3), 40-49 2004 Preparation of Ni-Mo/Mordenite Catalysts Under The Variation of Mo/Ni Ratio and Their Characterizations for Stearic Acid ConversionW Trisunaryanti, T Triyono, FA Denti Indonesian Journal of Chemistry 3 (2), 80-90 11 2003 STUDY OF MATRIX EFFECT ON THE ANALYSIS OF Ni AND Pd BY AAS IN THE DESTRUATS OF HIDROCRACKING CATALYSTS USING AQUA REGIA AND H 2 SO 4W Trisunaryanti, M Mudasir, S Saroh Indonesian Journal of Chemistry 2 (3), 177-185 5 2002 Pengaruh Kadar Logam Wel Terhadap Aktivitas Katalis Ni/Zeolit-Y Dalam Reaksi Hidrorengkah Minyak BumiCM Bijang, Y Arryanto, W Trisunaryanti Teknosains 15 (2002) 4 2002 Characterization and modification of natural zeolite and its cracking properties on petroleum fractionM Nurhadi, W Trisunaryanti, MU Yahya, B Setiaji Indonesian Journal of Chemistry 1 (1), 7-10 7 2001 Studies on structural analysis and cracking behavior of petroleum heavy oilsW Trisunaryanti 大阪大学 1997 Effect of the addition of light hydrocarbon solvents on the catalytic hydrotreatment of petroleum heavy fractionM Nomura, W Trisunaryanti, R Shiba, M Muroi, M Miura Preprints-American Chemical Society. Division of Petroleum Chemistry 42 (2 … 5 1997 Pyrolysis of aromatics and polar compounds fractions of deasphalted oils in the presence of saturated model compoundsW TRISUNARYANTI, M MIURA, M NOMURA Journal of The Japan Petroleum Institute 39 (5), 361-364 2 1996 飽和モデル化合物存在下における脱れき油の芳香族および極性化合物フラクションの熱分解三浦雅博， 野村正勝 石油学会誌 39 (5), 361-364 1996 Characterization and modification of Indonesian natural zeolites and their properties for hydrocracking of a paraffinW TRISUNARYANTI, R SHIBA, M MIURA, M NOMURA, N NISHIYAMA, … Journal of The Japan Petroleum Institute 39 (1), 20-25 41 1996 Structural analysis of petroleum deasphalted oils and their thermal cracking propertiesW TRISUNARYANTI, M MIURA, M NOMURA Journal of The Japan Petroleum Institute 38 (6), 432-438 6 1995 Modifikasi, karakterisasi dan pemanfaatan zeolit alamW TRISUNARYANTI Universitas Gadjah Mada 7 1991 Performance of a Hybrid Catalyst from Amine Groups and Nickel Nanoparticles Immobilized on Lapindo Mud in Selective Production of Bio-hydrocarbonsW Trisunaryanti, SN Azizah, DA Fatmawati, T Triyono, NC Ningrum Indonesian Journal of Chemistry Synthesis of Mesoporous Silica from Beach Sand by Sol-Gel Method as a Ni Supported Catalyst for Hydrocracking of Waste Cooking OilS Salamah, W Trisunaryanti, I Kartini, S Purwono Indonesian Journal of Chemistry 1 Simple and Green Preparation of ZnO Blended with Highly Magnetic Silica Sand from Parangtritis Beach as Catalyst for Oxidative Desulfurization of DibenzothiopheneW Trisunaryanti, SA Novianti, DA Fatmawati, T Triyono, M Ulfa, … Indonesian Journal of Chemistry THE PERFORMANCE OF GREEN SYNTHESIS OF GRAPHENE OXIDE PREPARED BY MODIFIED HUMMERS METHOD WITH OXIDATION TIME VARIATIONU Chasanah, W Trisunaryanti, HS Triyono, DA Fatmawati Minyak Nyamplung Menjadi BiofuelSP UTAMI, SU Triyono, W Trisunaryanti DALAM HIDRORENGKAH MINYAK BIJI NYAMPLUNG (Calophyllum inophyllum L.) MENJADI BIOFUELR WIDYAWATI, SU Triyono, W Trisunaryanti Zeolit aktif sebagai adsorben pemucat minyak kelapa sawitB Setiaji, W Trisunaryanti IPB (Bogor Agricultural University) Characterization Methil Ester Sulfonate (MES) from Coconut OilBS Syamsuddin, W Trisunaryanti, DHD Pranowo The Influence of Permanganate Enhancement to Graphite on Chemical Structure and Properties of Graphene Oxide Material Generated by Improved Tour MethodDA Fatmawati, T Triyono, W Trisunaryanti, HS Oktaviano, U Chasanah Indonesian Journal of Chemistry 21 (5), 1086-1096 1 Synthesis 1, 1-Dibutoxybutane from Single Reagent of n-Butanol Using Cr/Activated Carbon CatalystII Falah, MF Pradipta, AL Rinaldi, W Trisunaryanti Indonesian Journal of Chemistry 20 (5), 1018-1024 Sutarno, 2016, Preparation and characterization of Co and Co-Mo loaded on mesoporous silica for hydrocracking of waste lubricantA Masykuroh, W Trisunaryanti, II Falah Int. J. ChemTech Res 9 (9), 598-606 14 EFFECT ACTIVATION OF CHEMICAL AND PHYSICAL TO STRUCTURE AND ACTIVATED CARBON QUALITY FROM CHARCOAL OBTAINED BY PYROLYSIS OF COCONUT SHELLD Tani, B Setiaji, W Trisunaryanti, A Syoufian SINTESIS DAN KARAKTERISASI KATALIS NiO-CoO-MoO/ZEOLIT ALAM DAN NiO-MoO-CoO/ZEOLIT ALAM DAN UJI KATALISASI PADA PROSES HIDRORENGKAH PELUMAS BEKASJL Sihombing, W Trisunaryanti, S Purwono, A Syoufyan, T Triyono BIMIPA 18 (2), 90-101 1 Triyono. 2008KD Nugrahaningtyas, DM Widjonarko, W Trisunaryanti Preparasi Dan Karakterisasi Katalis Bimetal Nimo/Zeolit Alam 1 6 Triyono. 2007WT Rodiansono Preparation, Characterization and Activity Test of NiMo/Z and NiMo/Z-Nb2O5 … 21* BIODIESEL FROM CATFISH OIL (Clarias Gariepinus)GB Balabuana, K Wijaya, W Trisunaryanti CATION EXCHANGED BENTONITE OF TUREN-MALANG WITH Al 3 AS CATALYST ON PRODUCTION OF BIODIESEL FROM JATROPHA OILT Abdulloh, W Trisunaryanti, HS Mudasir, F Amalia INFLUENCE OF TIME AND CONCENTRATION ON TEXTURAL PROPERTIES OF MESOPOROUS CARBONS OF GELATIN PREPARED BY HARD-TEMPLATING PROCESSM Ulfa, W Trisunaryanti, II Falah, I Kartini JKPK (Jurnal Kimia dan Pendidikan Kimia) 1 (1), 1-10 Conversion of LDPE Plastics into Fuels through Hydrocracking over Ni, Ni-Mo, Co and Co-Mo Metals Supported Natural ZeoliteW Sriningsih, MG Saerodji, W Trisunaryanti IW-STEIC 2013, 135 Pengaruh Konsentrasi Katalis KOH dan TemperaturK WAHYUNINGSIH, W TRISUNARYANTI Pusat Penelitian dan Pengembangan Perkebunan Triyono, and Arryanto, Y., 2016, Hydrocracking of coconut oil into gasoline fraction using Ni/modified natural zeolite catalystI Salim, W Trisunaryanti Int. J. ChemTech Res 9 (4), 492-500 22 Triyono, dan Taufiyanti F., 2002W Trisunaryanti Deaktivasi dan regenerasi katalis Sr/Zeolit alam aktif untuk proses konversi … |