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Influence of Thermal Treatment on the Separation Properties of Polyamide Membrane

Shamsuddin, Fathullah (2005) Influence of Thermal Treatment on the Separation Properties of Polyamide Membrane. Universiti Teknologi Petronas. (Unpublished)

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Abstract

Membranes have a huge application in the industry nowadays. Their cost effective and efficiency further make the demand for membranes increases. In ensuring the effectiveness of membrane applications, continuous monitoring enhancement had to be done. Integrally-skinned asymmetric polyamide-6 membranes were prepared by casting various solution of polymer concentration from 10wt% to 20wt%, in 85wt.% formic acid onto a glass plate and precipitation in inert atmosphere before it would bethen immersed in cold distilled water until it peeled off.. The obtained membranes were dried for 1 h at different temperatures ranging from 40 to 130°C. The pervaporation separation properties of such treated membranes were studied with binary water-ethanol mixtures consisting of 40wt% ethanol. Experimental tests procedure will be using the GC equipment, which suitable for typical laboratory-scale testing. The selectivity was improved by thermal treatment of the membranes at temperatures above the glass transition temperature T% of polyamide-6 (~60°C). However, the permeate flux decreased with increasing drying temperature due to the removal of entrapped water from amorphous domains, the formation of newcrystalline domains andthe decrease of the pore sizeandof the specific surface area during the thermal treatment. The study of the physical properties of the polyamide-6 membrane will be characterized by using the assistance of existing physical and mechanical testing equipments available such as SEM and DMA.

Item Type: Final Year Project
Academic Subject : Academic Department - Chemical Engineering - Separation Process
Subject: T Technology > TP Chemical technology
Divisions: Engineering > Chemical
Depositing User: Users 2053 not found.
Date Deposited: 30 Sep 2013 16:55
Last Modified: 25 Jan 2017 09:46
URI: http://utpedia.utp.edu.my/id/eprint/7665

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