Synthesis, characterization and performance of polysulfone/cellulose acetate phthalate/ polyvinylpyrrolidone (PSf/CAP/PVP) blend ultrafiltration membranes /

Asmadi Ali @ Mahmud

Synthesis, characterization and performance of polysulfone/cellulose acetate phthalate/ polyvinylpyrrolidone (PSf/CAP/PVP) blend ultrafiltration membranes / Asmadi Ali @ Mahmud - Kuantan, Pahang : UMP, 2013 - xxii, 183 p. : ill. (some col.) ; 30 cm. + 1 CD-ROM

Thesis (PhD in Chemical Engineering) -- Universiti Malaysia Pahang - 2013

Bibliography : p. [155]-171

Polysulfone (PSf) is an important class polymer that has been most widely used in the manufacture of synthetic asymmetric ultrafiltration membranes. However, the main disadvantage of PSf membrane is due to its hydrophobic characteristic which in turn fouled the membranes. In practical application of UF systems, membrane fouling is a serious problem that causes high cost energy, operation, and maintenance. Polymer blend is a simple and an efficient method for designing new materials to improve performance of the hydrophobic membranes. The polymer blend is a proven tool to obtain new types of UF membrane, which has better hydrophilicity compared to the original membranes. Cellulose acetate phthalate (CAP) is one of the potential hydrophilic organic polymers that can be used and explored in PSf polymer blend technique to improve hydrophilicity and performance of PSf membranes. PSf/CAP blend membranes with blend composition of 95/5, 90/10, 85/15 and 80/20 wt% of total...

THE0004417(Local)


Gas separation membranes
Membrane separation

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