Title SULFONATED POLYETHERSULFONE AND FUNCTIONALIZED MULTIWALL CARBON NANOTUBES/POLYVINYLPYRROLIDONE NANOCOMPOSITE BASED HEMODIALYSIS MEMBRANE MUHAMMAD IRFAN A thesis is submitted in fulfilment of the requirements for the award of the degree of Doctor of Philosophy (Bio-process Engineering) Faculty of Chemical and Energy Engineering, University Teknologi Malaysia MARCH 2017