Dr. Rizafizah  Othaman
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Dr. Rizafizah Othaman

Associate Professor
Universiti Kebangsaan Malaysia, Malaysia


Highest Degree
Ph.D. in Process Improvment from Tokyo Institute of Technology, Japan

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Area of Interest:

Chemistry
100%
Chemical Engineering
62%
Process Engineering
90%
Membrane Processes
75%
Thermodynamics
55%

Research Publications in Numbers

Books
0
Chapters
0
Articles
0
Abstracts
0

Selected Publications

  1. Iskandar, M.J., A. Baharum, F.H. Anuar and R. Othaman, 2018. Palm oil industry in South East Asia and the effluent treatment technology-A review. Environ. Technol. Innov., 9: 169-185.
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  2. Ghawanmeh, A.A., K.F. Chong, S. Sarkar, M.A. Bakar, R. Othaman and R.M. Khalid, 2018. Colchicine prodrugs and codrugs: Chemistry and bioactivities. Eur. J. Med. Chem., 144: 229-242. 2018. Colchicine prodrugs and codrugs: Chemistry and bioactivities. Eur. J. Med. Chem., 144: 229-242.
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  3. Samsuri, A., F. Salleh, T. Saharuddin, T. Shafazila and R. Othaman et al., 2017. Effect of noble metal silver on the reduction behaviour of molybdenum oxide using carbon monoxide. Mater. Sci. Forum, 888: 377-381.
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  4. Rosli, N.S., S. Harun, J.M. Jahim and R. Othaman, 2017. Chemical and physical characterization of oil palm empty fruit bunch. Malaysian J. Analytical Sci., 21: 188-196.
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  5. Karim, N.A., F.M. Nor, N. Arsad, N.H. Hassan and A. Baharum et al., 2017. The marketability of UKM chemistry students from industrial training perspective. Pertanika J. Soc. Sci. Hum., 25: 907-919.
  6. Jon, N., N.A. Abdullah and R. Othaman, 2017. Effects of silica composition on gas permeability of ENR/PVC membrane. J. Fundamental Applied Sci., 9: 632-641.
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  7. Samsuri, A., T. Saharuddin, T. Shafazila, F. Salleh and R. Othaman et al., 2016. Study on the reduction behavior of molybdenum oxide (MoO3) in carbon monoxide (CO) atmosphere. Mater. Sci. Forum, 840: 299-304.
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  8. Samsuri, A., F. Salleh, T.S.T. Saharuddin, R. Othaman and M.A. Yarmo, 2016. Study on the reduction behaviour of nickel doped molybdenum trioxide by using carbon monoxide as reductant. Int. J. Chem. Eng. Applic., 7: 16-21.
  9. Salleh, F., T. Saharuddin, T. Shafazila, A. Samsuri and R. Othaman et al., 2016. Reduction behaviour of WO3 to W under carbon monoxide atmosphere. Mater. Sci. Forum, 840: 305-308.
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  10. Saharuddin, T., T. Shafazila, A. Samsuri, F. Salleh and R. Othaman et al., 2016. The reduction behaviour of cerium doped iron oxide in hydrogen and carbon monoxide atmosphere. Mater. Sci. Forum, 840: 381-385.
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  11. Nor, F.M., N.H.A. Karim, I. Abdullah and R. Othaman, 2016. Permeability of carbon dioxide and nitrogen gases through SiO2 and MgO incorporated ENR/PVC membranes. J. Elastomers Plastics, 48: 483-498.
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  12. Mohd, N.H., N.F.H. Ismail, J.I. Zahari, W. Fathilah and H. Kargarzadeh et al., 2016. Effect of aminosilane modification on nanocrystalline cellulose properties. J. Nanomater., Vol. 2016. 10.1155/2016/4804271.
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  13. Mod, N., F.H. Anuar and R. Othaman, 2016. Preparation and characterization of epoxidised natural rubber (ENR)/Poly (Vinylidene fluoride)(PVDF)(ENR/PVDF) composite membrane. Malaysian J. Analytical Sci., 20: 1090-1094.
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  14. Tengku, S., A. Samsuri, F. Salleh, R. Othaman and M. Bin Kassim et al., 2015. Temperature programmed reduction and X-Ray diffraction studies of Fe2O3 reduction by different concentration of carbon monoxide. Adv. Mater. Res., 1087: 55-58.
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  15. Samsuria, A., T.S.T. Saharuddin, F. Salleh, M.W.M. Hisham, R. Othaman and M.A. Yarmo, 2015. Reduction of MoO2 to metallic molybdenum via carburization and thermal process. Adv. Mater. Res., 1087: 64-67.
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  16. Salleh, F., T.S.T. Saharuddin, A. Samsuri, R. Othaman and M.A. Yarmo, 2015. Effect of zirconia and nickel doping on the reduction behavior of tungsten oxide in carbon monoxide atmosphere. Int. J. Chem. Eng. Applic., 6: 389-394.
  17. Salleh, F., T.S.T. Saharuddin, A. Samsuri, R. Othaman and M.A. Yarmo, 2015. Effect of zirconia and nickel doping on the reduction behavior of tungsten oxide in carbon monoxide atmosphere. Int. J. Chem. Eng. Applic., 6: 389-394.
  18. Salleh, F., A. Samsuria, T. Shafazila T. Saharuddin, M.W.M. Hisham, R. Othaman and M.A. Yarmo, 2015. Temperature-programmed and X-ray diffractometry studies of WO3 reduction by carbon monoxide. Adv. Mater. Res., 1087: 73-76.
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  19. Saharuddin, T.S.T., F. Salleh, A. Samsuri, R. Othaman and M.A. Yarmo, 2015. Influence of noble metal (Ru, Os and Ag) on the reduction behaviour of iron oxide using carbon monoxide: TPR and kinetic studies. Int. J. Chem. Eng. Applic., 6: 405-409.
  20. Saharuddin, T.S.T., F. Salleh, A. Samsuri, R. Othaman and M.A. Yarmo, 2015. Influence of noble metal (Ru, Os and Ag) on the reduction behaviour of iron oxide using carbon monoxide: TPR and kinetic studies. Int. J. Chem. Eng. Applic., 6: 405-409.
  21. Othaman, R., Y.H. Yuan and M.A. Bakar, 2015. Factors affecting the physical properties of epoxidized natural rubber (ENR)/polyvinyl chloride (PVC) aerogels. Oriental J. Chem., 31: 697-702.
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  22. Nor, F.M. and R. Othaman, 2015. Effects of MgO particle loading on gas permeation properties of Epoxidized Natural Rubber (ENR)/polyvinyl chloride (PVC) membrane. Sains Malaysiana, 44: 875-881.
  23. Jahi, N., E.S. Ling, R. Othaman and S. Ramli, 2015. Modification of oil palm plantation wastes as oil adsorbent for Palm Oil Mill Effluent (POME). Malaysian J. Analytical Sci., 19: 31-40.
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  24. Hakam, A., I.A. Rahman, M.S.M. Jamil, R. Othaman, M.C.I. Amin and A.M. Lazim, 2015. Removal of methylene blue dye in aqueous solution by sorption on a bacterial-g-poly-(acrylic acid) polymer network hydrogel. Sains Malaysiana, 44: 827-834.
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  25. Samad, N.A., O. Rizafizah and A. Ibrahim, 2014. Preparation and characterisation of epoxidised natural rubber/polyvinyl chloride/rice husk (ENR/PVC/RH) thin film composite by solution casting technique. Int. J. Mater. Eng. Innov., 5: 61-69.
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  26. Abubakar, S., N. Arsad, M.S. Ab-Rahman and R. Othaman, 2014. Study of geometrical effect of sample cell on nitrite determination. J. Optoelectronics Adv. Mater., 16: 1487-1492.
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  27. Shamsuddin, M.R., S.N. Fauzee, F.H. Anuar, I. Abdullah and R. Othaman, 2013. Modification of cellulose by polymethyl methacrylate grafting for membrane applications. Jurnal Teknol., 65: 47-53.
  28. Jon, N., N.A. Samad, N.A. Abdullah, I. Abdullah and R. Othaman, 2013. Influence of silica addition on the properties of epoxidised natural rubber/polyvinyl chloride composite membrane. J. Applied Polymer Sci., 129: 2789-2795.
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  29. Jon, N., I. Abdullah and R. Othaman, 2013. Effects of silica on the formation of epoxidised natural rubber/polyvinyl chloride membrane. Sains Malaysiana, 42: 469-473.
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  30. Abdullah, N.A., I. Abdullah and R. Othaman, 2013. Influence of solvent and drop distance on the formation of ENR/PVC/silica aerogel beads. Int. J. Mater. Eng. Innov., 2: 269-280.
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  31. Othaman, R., K.H. Badri, S.A. Hanifah, Z. Zakaria, Y.F.A. Aziz and R. Daik, 2012. Chemistry outreach program and its impact on secondary school students. Procedia-Soc. Behav. Sci., 59: 692-696.
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  32. Ghazali, Z., R. Othaman and P. Abdullah, 2012. Preparation of activated carbon from coconut shell to remove aluminum and manganese in drinking water. Adv. Nat. Applied Sci., 6: 1307-1313.
  33. Abdullah, N.M., R. Othaman, I. Abdullah, N. Jon and A. Baharum, 2012. Studies on the adsorption of phenol red dye using silica-filled ENR/PVC beads. J. Emerging Trends Eng. Applied Sci., 3: 845-850.
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  34. Othaman, R., A. Susilo, H. Habaki and R. Egashira, 2010. Treatment of wastewater containing wood waste pyroligneous acid preservative by activated carbon in rubberwood manufacturing process. ASEAN J. Chem. Eng., 2: 1-7.
  35. Othaman, R., K.G. Lim, S. Konishi, M. Sato, N. Shi and R. Egashira, 2008. Thermal treatment of wood residues and effective utilization of its products to improve rubberwood manufacturing process. J. Chem. Eng. Japan, 41: 1149-1158.
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