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The Effect Number of Pebax® 1657 Coating Layer on Thin Film Composite (TFC) Membrane for CO2/N2 Separation


Paper Type 
Contributed Paper
Title 
The Effect Number of Pebax® 1657 Coating Layer on Thin Film Composite (TFC) Membrane for CO2/N2 Separation
Author 
Mohamad Syafiq Abdul Wahab and Sunarti Abd Rahman
Email 
sunarti@ump.edu.my
Abstract:
A high performance of thin film composite (TFC) membrane was fabricated with PebaxÒ 1657 as a selective layer on top of PVDF substrate to improve the CO2/N2 separation. The purpose of the studies was to investigate the effect of PebaxÒ 1657 coating layer to the permeability and selectivity. The substrate was produced by using 15% of PVDF diluted in 85% of NMP as a dope solution. Meanwhile, the PebaxÒ 1657 was diluted in 70/30 ethanol water which later acts as a selective layer to the substrate. The number of layer varies by 1,2,3 and 4 which gave different thickness of PebaxÒ 1657- 0.002mm, 0.004mm, 0.011mm and 0.018mm respectively. The FTIR analysis was done for chemical analysis for the produced TFC membrane. The SEM image revealed that the PVDF pore ranging from 930nm to 1.8 mm with large finger like void was formed and it was believed that the formation of pores and void due to the solvent-non solvent interaction during film bath. The 3 layer PebaxÒ 1657 gave the highest selectivity of 13.69, 2 bar with CO2 and N2 permeance of 29 and 2 respectively whereas at 4 coating layer no gas flow was recorded during the test. 
Start & End Page 
484 - 491
Received Date 
2016-02-10
Revised Date 
Accepted Date 
2016-05-21
Full Text 
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Keyword 
PVDF, Pebax, Composite, Membrane, CO2, N2
Volume 
Vol.45 No.1 (January 2018)
DOI 
Citation 
Wahab M.S.A. and Rahman S.A., The Effect Number of Pebax® 1657 Coating Layer on Thin Film Composite (TFC) Membrane for CO2/N2 Separation, Chiang Mai Journal of Science, 2018; 45(1): 484-491.
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