Qualifications: B.Eng. (UKM), Ph.D. (USM)
Expertise: Membrane technology, Nanotechnology, Wastewater Treatment and Recovery, Separation and Purification Technology for Food and Beverages Industry


    1. N.N.R. Ahmad, C.P. Leo, A.W. Mohammad, A.L. Ahmad, Interfacial sealing of functionalization of polysulfone/SAPO-34 mixed matrix membrane using acetate-based ionic liquid in post-impregnation for CO2 capture, Separation and Purification Technology, 2017, https://doi.org/10.1016/j.seppur.2017.12.054. (ISI IF: 3.359)
    2. N. Hamzah, C.P. Leo, Fouling evaluation on membrane distillation used for reducing solvent in polyphenol rich propolis extract, Chinese Journal of Chemical Engineering, Elsevier, 2017, https://doi.org/10.1016/j.cjche.2017.03.041. (ISI IF: 1.207)
    3. N. Hamzah, C.P. Leo, Membrane distilation of saline with phenolic compound using superhydrophobic PVDF membrane incorporated with TiO2 nanoparticles: separation, fouling and self-cleaning evaluation, Desalination, Elsevier, 418, 2017, 79-88. (ISI IF: 4.412).
    4. H. Husni, M.R. Nazari, H.M. Yee, R. Rohim, A. Yusuff, Mohd Azahar, Mohd Ariff, N. N. R. Ahmad, C. P. Leo, M.U.M. Junaidi (2017) Superhydrophobic rice husk ash coating on concrete, Construction & Building Materials, Elsevier, 144, 2017, 385-391. (ISI IF: 2.421).
    5. N.A. Ahmad, A.N. Mohd. Noh, C.P. Leo, A.L. Ahmad, CO2 removal using membrane gas absorption with PVDF membrane incorporated with POSS and SAPO-34, Chemical Engineering Research and Design, Elsevier, 118, 2017, 238-247 (ISI IF: 2.525).
    1. Ash carbonation for CO2 storage.
    2. Diafiltration membrane with pH responsiveness
    3. Superhydrophobic membranes for decalcification using CO2
    1. Superhydrophobic Membrane With Functional Filler for Membrane Gas Absorption Gas Purification,
    2. Mixed matrix membrane with ionic liquid for CO2 separation.
    3. Membrane Distillation for Phenolic Rich Solution
    1. Polysulfone/Photocatalyst Membrane: Effects of Catalyst, Polymeric Additives and Molecular Imprint for Selective Filtration and Photodegradation.
    2. Optimization of Polyphenols Recovery from Defatted Roselle Seed Using Microwave Assisted Extraction.
    3. Characterization and Ultrasonic Assisted Hydrolytic Extraction of Selected Malaysian Propolis.