| Mathematical modelling of MSW incineration on a travelling bed YB Yang, YR Goh, R Zakaria, V Nasserzadeh, J Swithenbank Waste management 22 (4), 369-380, 2002 | 305 | 2002 |
| Synthesis of composite material MCM-41/Beta and its catalytic performance in waste used palm oil cracking YS Ooi, R Zakaria, AR Mohamed, S Bhatia Applied Catalysis A: General 274 (1-2), 15-23, 2004 | 172 | 2004 |
| Catalytic conversion of palm oil-based fatty acid mixture to liquid fuel YS Ooi, R Zakaria, AR Mohamed, S Bhatia Biomass and Bioenergy 27 (5), 477-484, 2004 | 169 | 2004 |
| Catalytic conversion of fatty acids mixture to liquid fuel and chemicals over composite microporous/mesoporous catalysts YS Ooi, R Zakaria, AR Mohamed, S Bhatia Energy & Fuels 19 (3), 736-743, 2005 | 115 | 2005 |
| Catalytic cracking of used palm oil and palm oil fatty acids mixture for the production of liquid fuel: kinetic modeling YS Ooi, R Zakaria, AR Mohamed, S Bhatia Energy & Fuels 18 (5), 1555-1561, 2004 | 114 | 2004 |
| Hydrothermal stability and catalytic activity of mesoporous aluminum-containing SBA-15 YS Ooi, R Zakaria, AR Mohamed, S Bhatia Catalysis Communications 5 (8), 441-445, 2004 | 101 | 2004 |
| Strategic planning on carbon capture from coal fired plants in Malaysia and Indonesia: A review MR Othman, R Zakaria, WJN Fernando Energy Policy 37 (5), 1718-1735, 2009 | 86 | 2009 |
| Effect of impregnation ratio and activation temperature on the yield and adsorption performance of mangrove based activated carbon for methylene blue removal R Zakaria, NA Jamalluddin, MZA Bakar Results in Materials 10, 100183, 2021 | 66 | 2021 |
| Gas oil hydrocracking on NiW/USY catalyst: Effect of tungsten and nickel loading AM Alsobaai, R Zakaria, BH Hameed Chemical Engineering Journal 132 (1-3), 77-83, 2007 | 60 | 2007 |
| Mixing, modelling and measurements of incinerator bed combustion YR Goh, CN Lim, R Zakaria, KH Chan, G Reynolds, YB Yang, RG Siddall, ... Process Safety and Environmental Protection 78 (1), 21-32, 2000 | 58 | 2000 |
| Development of an incinerator bed model for municipal solid waste incineration YR Goh, YB Yang, R Zakaria, RG Siddall, V Nasserzadeh, J Swithenbank Combustion science and technology 162 (1), 37-58, 2001 | 57 | 2001 |
| Adsorption of methylene blue from aqueous solution by peanut shell based activated carbon MA Ahmad, MFM Yusop, R Zakaria, J Karim, NKEM Yahaya, MAM Yusoff, ... Materials Today: Proceedings 47, 1246-1251, 2021 | 46 | 2021 |
| Green tea polyphenol–reduced graphene oxide: derivatisation, reduction efficiency, reduction mechanism and cytotoxicity MF Abdullah, R Zakaria, SHS Zein RSC advances 4 (65), 34510-34518, 2014 | 43 | 2014 |
| Hydrocracking of petroleum gas oil over NiW/MCM-48-USY composite catalyst AM Alsobaai, R Zakaria, BH Hameed Fuel processing technology 88 (9), 921-928, 2007 | 43 | 2007 |
| Mathematical modelling of the burning bed of a waste incinerator YR Goh, RG Siddall, V Nasserzadeh, R Zakaria, J Swithenbank, ... Journal of the Institute of Energy 71, 1998 | 43 | 1998 |
| Characterization and hydrocracking of gas oil on sulfided NiW/MCM-48 catalysts AM Alsobaai, R Zakaria, BH Hameed Chemical Engineering Journal 132 (1-3), 173-181, 2007 | 35 | 2007 |
| Organo-montmorillonites as catalysts for selective synthesis of glycerol monolaurate TY Wibowo, AZ Abdullah, R Zakaria Applied Clay Science 50 (2), 280-281, 2010 | 27 | 2010 |
| Adsorption of phenol using activated carbon adsorbent from waste tyres N Amri, R Zakaria, MZA Bakar Pertanika Journal of Science and Technology 17 (2), 371-380, 2009 | 27 | 2009 |
| Production of activated carbon from sawdust using fluidized bed reactor MK Lam, R Zakaria International Conference on Environment, 1-12, 2008 | 27 | 2008 |
| Mathematical modelling of the waste incinerator burning bed YR Goh, RG Siddall, V Nasserzadeh, R Zakaria, J Swithenbank, ... Journal of the Institute of Energy 71 (487), 110, 1998 | 27 | 1998 |
