Brazilian Journal of Chemical Engineering, ( ISI ), Volume (36), No (1), Year (2019-3) , Pages (251-264)

Title : ( PREPARATION AND CHARACTERIZATION OF THIN-FILM COMPOSITE REVERSE OSMOSIS MEMBRANE ON A NOVEL AMINOSILANE-MODIFIED POLYVINYL CHLORIDE SUPPORT )

Authors: shahram tashakkori , Mahdi Pourafshari Chenar , Mahdieh Namvar Mahboub , Hamed Azizi Namaghi ,

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Abstract

Herein, the influence of pure and modified polyvinyl chloride (PVC) support layers on the performance of thin-film composite (TFC) membranes was investigated in water desalination. Accordingly, the PVC support was modified using (3-Aminopropyl) triethoxysilane (APTES) through bulk modification. The supports were synthesized at different doses of APTES (0-6 wt%) and characterized with various analytical techniques. The results showed that APTES affected considerably both the morphology and surface properties of the support layer. Afterwards, the polyamide (PA) layer was formed via an identical interfacial polymerization (IP). The separation experiments showed that modification of the support improved the performance of the TFC membranes, which stems from the improvement in the degree of cross-linking of the PVC structure. At an appropriate condition, permeate fluxes were 0.89 L.m-2.h-1.bar-1 and 2.70 L.m-2.h-1.bar-1for TFC membranes with pure and modified PVC support layers, respectively. Interestingly, there were no significant changes in salt rejection of the prepared membranes.

Keywords

, Thin film composite membrane; Support layer modification; PVC; Cross, linking; APTES.
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@article{paperid:1075235,
author = {Tashakkori, Shahram and Pourafshari Chenar, Mahdi and Mahdieh Namvar Mahboub and Hamed Azizi Namaghi},
title = {PREPARATION AND CHARACTERIZATION OF THIN-FILM COMPOSITE REVERSE OSMOSIS MEMBRANE ON A NOVEL AMINOSILANE-MODIFIED POLYVINYL CHLORIDE SUPPORT},
journal = {Brazilian Journal of Chemical Engineering},
year = {2019},
volume = {36},
number = {1},
month = {March},
issn = {0104-6632},
pages = {251--264},
numpages = {13},
keywords = {Thin film composite membrane; Support layer modification; PVC; Cross-linking; APTES.},
}

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%0 Journal Article
%T PREPARATION AND CHARACTERIZATION OF THIN-FILM COMPOSITE REVERSE OSMOSIS MEMBRANE ON A NOVEL AMINOSILANE-MODIFIED POLYVINYL CHLORIDE SUPPORT
%A Tashakkori, Shahram
%A Pourafshari Chenar, Mahdi
%A Mahdieh Namvar Mahboub
%A Hamed Azizi Namaghi
%J Brazilian Journal of Chemical Engineering
%@ 0104-6632
%D 2019

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