| In depth investigation of bi-functional, Cu/Zn/γ-Al2O3 catalyst in biodiesel production from low-grade cooking oil: Optimization using response surface methodology NF Sulaiman, WAWA Bakar, S Toemen, NM Kamal, R Nadarajan Renewable energy 135, 408-416, 2019 | 62 | 2019 |
| Catalytic methanation reaction over supported nickel–ruthenium oxide base for purification of simulated natural gas WAWA Bakar, R Ali, S Toemen Scientia Iranica 19 (3), 525-534, 2012 | 59 | 2012 |
| Biodiesel production from refined used cooking oil using co-metal oxide catalyzed transesterification NF Sulaiman, ANN Hashim, S Toemen, SJM Rosid, WNAW Mokhtar, ... Renewable Energy 153, 1-11, 2020 | 54 | 2020 |
| Effect of ceria and strontia over Ru/Mn/Al2O3 catalyst: Catalytic methanation, physicochemical and mechanistic studies S Toemen, WAWA Bakar, R Ali Journal of CO2 Utilization 13, 38-49, 2016 | 52 | 2016 |
| Investigation of Ru/Mn/Ce/Al2O3 catalyst for carbon dioxide methanation: Catalytic optimization, physicochemical studies and RSM S Toemen, WAWA Bakar, R Ali Journal of the Taiwan Institute of Chemical Engineers 45 (5), 2370-2378, 2014 | 41 | 2014 |
| The investigation of active sites on nickel oxide based catalysts towards the in-situ reactions of methanation and desulfurization WAWA Bakar, MY Othman, R Ali, CK Yong, S Toemen Modern Applied Science 3 (2), 36-44, 2009 | 35 | 2009 |
| Catalytic methanation reaction over supported nickel-rhodium oxide for purification of simulated natural gas WAWA Bakar, R Ali, S Toemen Journal of Natural Gas Chemistry 20 (6), 585-594, 2011 | 34 | 2011 |
| Optimization study by Box-Behnken design (BBD) and mechanistic insight of CO2 methanation over Ru-Fe-Ce/γ-Al2O3 catalyst by in-situ FTIR technique MMA Iqbal, WAWA Bakar, S Toemen, FIA Razak, NIW Azelee Arabian Journal of Chemistry 13 (2), 4170-4179, 2020 | 29 | 2020 |
| Physicochemical characteristics of Cu/Zn/γ-Al2O3 catalyst and its mechanistic study in transesterification for biodiesel production NF Sulaiman, SL Lee, S Toemen, WAWA Bakar Renewable energy 156, 142-157, 2020 | 22 | 2020 |
| Physicochemical characteristic of neodymium oxide-based catalyst for in-situ CO2/H2 methanation reaction SJM Rosid, S Toemen, WAWA Bakar, AH Zamani, WNAW Mokhtar Journal of Saudi Chemical Society 23 (3), 284-293, 2019 | 14 | 2019 |
| CO2/H2 methanation technology of strontia based catalyst: physicochemical and optimisation studies by Box–Behnken design S Toemen, WAWA Bakar, R Ali Journal of cleaner production 146, 71-82, 2017 | 13 | 2017 |
| Copper/Nickel/Manganese Doped Cerium Oxides Based Catalysts for Hydrogenation of CO2 S Toemen, WAWA Bakar, R Ali Bulletin of the Korean Chemical Society 35 (8), 2349-2356, 2014 | 13 | 2014 |
| Overview performance of lanthanide oxide catalysts in methanation reaction for natural gas production SJM Rosid, S Toemen, MMA Iqbal, WAWA Bakar, WNAW Mokhtar, ... Environmental Science and Pollution Research 26, 36124-36140, 2019 | 12 | 2019 |
| Study on the effect of a static magnetic field in enhancing initial state of biogranulation AH Omar, K Muda, S Toemen, SF Sulaiman, NS Zaidi, AC Affam Journal of Water Supply: Research and Technology—AQUA 67 (5), 484-489, 2018 | 12 | 2018 |
| Catalytic transesterification of coconut oil in biodiesel production: A review AF Ahmad, N Zulkurnain, SJM Rosid, A Azid, A Endut, S Toemen, S Ismail, ... Catalysis Surveys from Asia 26 (3), 129-143, 2022 | 7 | 2022 |
| Methanation of carbon dioxide over Ru/Mn/CeAl2O3 catalyst: In-depth of surface optimization, regeneration and reactor scale S Toemen, SJM Rosid, WAWA Bakar, R Ali, SF Sulaiman, R Hasan Renewable energy 127, 863-870, 2018 | 7 | 2018 |
| OPTIMIZATION OF OPERATING PARAMETERS FOR AGGREGATION UNDER MAGNETIC FIELD BY RESPONSE SURFACE METHODOLOGY NS Zaidi, K Muda, J Sohaili, S Toemen, NZ Yusof ARPN Journal of Engineering and Applied Sciences 11 (4), 2419-2425, 2016 | 7 | 2016 |
| Enhanced transesterification reaction using chromium-doped calcium oxide-based catalyst supported on alumina and its specification of biodiesel NF Sulaiman, YW Leong, SL Lee, S Toemen, WAWA Bakar Energy Conversion and Management 293, 117556, 2023 | 6 | 2023 |
| Biochemical and Physical Characterization of Immobilized Candida rugosa Lipase on Metal Oxide Hybrid Support NN Ramlee, R Md Illias, R A. Rahman, S Toemen, R Selvasembian, ... Catalysts 12 (8), 854, 2022 | 6 | 2022 |
| A ULTRASOUND-ASSISTED EXTRACTION (UAE) OF PHYTOCHEMICALS WITH RESPONSE SURFACE METHODOLOGY (RSM) IN Curcuma xanthorrhiza N Azemi, N Basar, S Toemen Science Proceedings Series 2 (2), 139-146, 2020 | 6 | 2020 |
Wan Azelee Wan Abu Bakarprofessor of chemistry, universiti teknologi malaysiaVerified email at kimia.fs.utm.my
