PREPARATION OF POLYMERIC MEMBRANE FOR PERVAPORATION SEPARATION

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kikhavandi T.; MOHAMMADI T.; MOGHBELI M.R.

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Seminar Paper

Paper Information

Seminar: CHEMICAL ENGINEERING CONGRESS AND EXHIBITION
Year:2008 | Issue:5

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Title

PREPARATION OF POLYMERIC MEMBRANE FOR PERVAPORATION SEPARATION

Author(s)

kikhavandi T. | MOHAMMADI T. | MOGHBELI M.R.

Keywords

POLY (ETHER BLOCK AMIDE) MEMBRANES

POLYMERIC SOLUTION

NON SOLVENT

SURFACE TENSION

Abstract

POLY (ETHER-BLOCK-AMIDE) MEMBRANES WERE MADE VIA CASTING A SOLUTION ON A NON SOLVENT SURFACE. IN THIS RESEARCH, EFFECTS OF DIFFERENT PARAMETERS SUCH AS RATIO OF SOLVENT MIXTURE (N-BUTANOL / ISO PROPANOL), TEMPERATURE AND POLYMER CONCENTRATION, ON QUALITY OF THE THIN FILM MEMBRANES WERE STUDIED. THE RESULTS SHOWED THAT THE FILM QUALITY ENHANCES WITH INCREASING ISO PROPANOL RATIO IN THE SOLVENT MIXTURE. THIS BEHAVIOR CAN BE RELATED TO REDUCTION OF SOLUTION SURFACE TENSION AND INTERFACIAL TENSION BETWEEN SOLUTION AND NON SOLVENT. UNIFORM FILMS WERE MADE AT A TEMPERATURE RANG OF 70-80OC AND A POLYMER CONCENTRATION OF 4-7 WT%. MORPHOLOGY OF THE MEMBRANE WAS INVESTIGATED WITH SCANNING ELECTRONIC MICROGRAPH (SEM). PERVAPORATION OF ETHYL BUTYRATE / WATER AND ISO PROPANOL / WATER MIXTURES WAS STUDIED USING THESE MEMBRANES AND HIGH SEPARATION PERFORMANCE WAS ACHIEVED. FOR ETHYL BUTYRATE / WATER MIXTURES, IT WAS OBSERVED THAT BOTH PERMEATION FLUX AND SEPARATION FACTOR INCREASE WITH INCREASING ETHYL BUTYRATE CONTENT IN THE FEED. HOWEVER, FOR ISO PROPANOL / WATER MIXTURES, IT WAS FOUND THAT BY INCREASING ISO PROPANOL CONTENT IN THE FEED, PERMEATION FLUX ENHANCES BUT SEPARATION FACTOR DIMINISHES. INCREASING TEMPERATURE IN LIMITED RANGE STUDIED RESULTED IN DECREASING SEPARATION FACTOR AND INCREASING PERMEATION FLUX.

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APA: Copy

kikhavandi, T., MOHAMMADI, T., & MOGHBELI, M.R.. (2008). PREPARATION OF POLYMERIC MEMBRANE FOR PERVAPORATION SEPARATION. INTERNATIONAL CHEMICAL ENGINEERING CONGRESS AND EXHIBITION. SID. https://sid.ir/paper/908601/en

Vancouver: Copy

kikhavandi T., MOHAMMADI T., MOGHBELI M.R.. PREPARATION OF POLYMERIC MEMBRANE FOR PERVAPORATION SEPARATION. 2008. Available from: https://sid.ir/paper/908601/en

IEEE: Copy

T. kikhavandi, T. MOHAMMADI, and M.R. MOGHBELI, “PREPARATION OF POLYMERIC MEMBRANE FOR PERVAPORATION SEPARATION,” presented at the INTERNATIONAL CHEMICAL ENGINEERING CONGRESS AND EXHIBITION. 2008, [Online]. Available: https://sid.ir/paper/908601/en

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