| Technologies for production of biodiesel focusing on green catalytic techniques: A review Z Helwani, MR Othman, N Aziz, J Kim, WJN Fernando Fuel Processing Technology 363 (-), 1-10, 2009 | 898 | 2009 |
| Solid heterogeneous catalysts for transesterification of triglycerides with methanol: A review Z Helwani, MR Othman, J Kim, N Aziz, WJN Fernando Applied Catalysis A;General 363, 1-10, 2009 | 873 | 2009 |
| Synthetic hydrotalcites from different routes and their application as catalysts and gas adsorbents: A review MR Othman, Z Helwani, WJN Fernando Applied Organometallic Chemistry journal, 2009 | 216 | 2009 |
| Conversion of Jatropha curcas oil into biodiesel using re-crystallized hydrotalcite Z Helwani, N Aziz, J Kim, MR Othman Energy and Conversion Management 73, 128-143, 2013 | 94 | 2013 |
| Pressure swing adsorption technologies for carbon dioxide capture AD Wiheeb, Z Helwani, J Kim, MR Othman Separation and Purification Reviews 45, 108-121, 2016 | 88 | 2016 |
| Improved carbon dioxide capture using metal reinforced hydrotalcite under wet conditions Z Helwani, AD Wiheeb, J Kim, MR Othman International Journal of Greenhouse Gas Control 7, 2012 | 76 | 2012 |
| Martunus and WJN Fernando MR Othman, Z Helwani Appl. Organomet. Chem 23, 335-346, 2009 | 65 | 2009 |
| Impregnation of CaO from Eggshell Waste with Magnetite as a Solid Catalyst (Fe3O4/CaO) for Transesterification of Palm Oil Off-Grade Z Helwani, M Ramli, E Saputra, B Bahruddin, D Yolanda, W Fatra, ... Catalysts 10 (2), 164, 2020 | 41 | 2020 |
| Simulated fractal permeability for porous membranes MR Othman, Z Helwani, Martunus Applied Mathematical Modelling 34 (9), 2010 | 39 | 2010 |
| In-situ mineralization of carbon dioxide in a coal-fired power plant Z Helwani, AD Wiheeb, J Kim, MR Othman Energy Sources, Part A: Recovery, Utilization, and Environmental Effects 38 …, 2016 | 35 | 2016 |
| In situ carbon dioxide capture and fixation from a hot flue gas Z Helwani, AD Wiheeb, J Kim, MR Othman International Journal of Greenhouse Gas Control 6, 2012 | 35 | 2012 |
| Improving The Yield’s of Jatropha curcas’s FAME through sol-gel derived meso-porous hydrotalcites Z Helwani, N Aziz, J Kim, MR Othman Renewable Energy 86, 58-74, 2016 | 34 | 2016 |
| Green Synthesis and Antimicrobial Activities of Silver Nanoparticles Using Calotropis gigantea from Ie Seu-Um Geothermal Area, Aceh Province, Indonesia P Kemala, R Idroes, K Khairan, M Ramli, Z Jalil, GM Idroes, TE Tallei, ... Molecules 27 (16), 5310, 2022 | 28 | 2022 |
| Evaluation of thermal effects on carbon dioxide breakthrough curve for biogas upgrading using pressure swing adsorption AA Abd, MR Othman, Z Helwani Energy Conversion and Management 247, 114752, 2021 | 27 | 2021 |
| Biogas upgrading to natural gas pipeline quality using pressure swing adsorption for CO2 separation over UiO-66: experimental and dynamic modelling assessment AA Abd, MR Othman, IK Shamsudin, Z Helwani, I Idris Chemical Engineering Journal 453, 139774, 2023 | 25 | 2023 |
| Biomethane upgrading to transportation fuel quality using spent coffee for carbon dioxide capture in pressure swing adsorption AA Abd, MR Othman, HJK Shabbani, Z Helwani Journal of Environmental Chemical Engineering 10 (2), 107169, 2022 | 24 | 2022 |
| Off Grade Palm Oil as A Reneweble Raw Material for Biodiesel Production by Two-Step Processes RZ Budiawan, W Fatra, Z Helwani ChESA Conference 7, 40-50, 2013 | 24 | 2013 |
| Role of heat dissipation on carbon dioxide capture performance in biomethane upgrading system using pressure swing adsorption AA Abd, MR Othman, Z Helwani, HJK Shabbani Separation and Purification Technology 280, 119959, 2022 | 23 | 2022 |
| EFFECT OF ALKALINE TREATMENT ON THE PROPERTIES OF OIL PALM EMPTY FRUIT BUNCH FIBER-REINFORCED POLYPROPYLENE COMPOSITE. W Fatra, H Rouhillahi, Z Helwani, J Asmura International Journal of Technology 7 (6), 2016 | 23 | 2016 |
| Preparation of CaO/Fly ash as a catalyst inhibitor for transesterification process off palm oil in biodiesel production Z Helwani, W Fatra, E Saputra, R Maulana IOP Conference Series: Materials Science and Engineering 334, 012077, 2018 | 22 | 2018 |
Mohd Roslee OthmanUniversiti Sains MalaysiaVerified email at usm.my
