Studies on cellulose acetate-carboxylated polysulfone blend ultrafiltration membranes--Part I |
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Authors: | C.J SajithaR Mahendran D Mohan |
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Affiliation: | Membrane Laboratory, Department of Chemical Engineering, Anna University, Chennai 600025, India |
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Abstract: | Hydrophilic polysulfone ultrafiltration (UF) membranes were prepared from blends of cellulose acetate with carboxylated polysulfone of 0.14 degree of carboxylation. The effects of blend polymer composition on compaction, pure water flux, water content and membrane hydraulic resistance (Rm), have been investigated to evaluate the performance of the membranes. The performance of the blend membranes of various blend polymer compositions were compared with that of membranes prepared from pure cellulose acetate and blends of cellulose acetate and pure polysulfone. The hydrophilic cellulose acetate-carboxylated polysulfone blend UF membranes showed better performance compared to membranes prepared from pure cellulose acetate and blends of cellulose acetate and pure polysulfone. |
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Keywords: | Carboxylated polysulfone Cellulose acetate Ultrafiltration Polymeric blend membranes |
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