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Preparation of polyamide nanofiltration hollow fiber composite membrane and its performance

Xiao Chang-fa

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Abstract

A polysufone hollow fiber substrate with special morphology was spun, on which a polyamide desalination functional layer was constructed by interfacial polymerization between piperazine aqueous solution and trimesoyl hexane solution. The effect of polymerization parameters on the performance of the hollow fiber composite membrane was initially investigated. The results show that the membrane obtained herewith has good desalination to MgSO_4 (90~0_0) and high water permeate flux (40 L·m~(-2)·h~(-1)).

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What this paper is about

A polysufone hollow fiber substrate with special morphology was spun, on which a polyamide desalination functional layer was constructed by interfacial polymerization between piperazine aqueous solution and trimesoyl hexane solution. The effect of polymerization parameters on the performance of the hollow fiber composite membrane was initially investigated. The results show that the membrane obtained herewith has good desalination to MgSO_4 (90~0_0) and high water permeate flux (40 L·m~(-2)·h~(-1)).

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Available abstract

A polysufone hollow fiber substrate with special morphology was spun, on which a polyamide desalination functional layer was constructed by interfacial polymerization between piperazine aqueous solution and trimesoyl hexane solution. The effect of polymerization parameters on the performance of the hollow fiber composite membrane was initially investigated. The results show that the membrane obtained herewith has good desalination to MgSO_4 (90~0_0) and high water permeate flux (40 L·m~(-2)·h~(-1)).

Key concepts: Polyamide, Interfacial polymerization, Nanofiltration, Membrane, Materials science, Desalination, Fiber, Composite number

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