Effect of Feed Composition on the Gas Separation Performance of Binary and Ternary Mixed Matrix Membranes

Date

2013-03-01

Author

Sen, Deger
Yılmaz, Levent
Kalıpçılar, Halil

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Binary and ternary component mixed matrix membranes comprised of zeolite 4A and p-nitroaniline (pNA) in the polycarbonate (PC) matrix were prepared and appraised in gas separation. For comparison, homogenous membranes of PC and PC/pNA membranes were also investigated. The membranes were utilized to separate binary mixtures of CO2/CH4, H2/CH4, and CO2/N2. The effect of feed composition on the separation performance of membranes was investigated. Separation factors and ideal selectivities were similar for the PC membrane. A similar trend was also observed with the PC/pNA membrane. The separation factors of the PC/pNA membrane for CO2/CH4 were almost twice as high as those of the PC membrane regardless of the feed composition. The ideal selectivities were, however, higher than separation factors for PC/zeolite 4A and PC/pNA/zeolite 4A membranes. The PC/ pNA/zeolite 4A membrane has separation factors of 18 for 77% CO2/ 23% CH4 mixture, and 40 for 20% CO2/ 80% CH4 mixture, respectively. The separation factors of the mixed matrix membranes depended on the feed composition strongly. The PC/ pNA/zeolite 4A membrane had higher separation factors and lower permeabilities than the PC/zeolite 4A membrane. pNA assisted to eradicate partly the detrimental effects of interfacial voids and improved the molecular sieving effect of zeolite 4A dispersed in the PC.

Subject Keywords

Filtration and Separation, Process Chemistry and Technology, General Chemistry, General Chemical Engineering

URI

https://hdl.handle.net/11511/37271

Journal

SEPARATION SCIENCE AND TECHNOLOGY

DOI

https://doi.org/10.1080/01496395.2012.722741

Collections

Department of Chemical Engineering, Article

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Citation Formats

D. Sen, L. Yılmaz, and H. Kalıpçılar, “Effect of Feed Composition on the Gas Separation Performance of Binary and Ternary Mixed Matrix Membranes,” SEPARATION SCIENCE AND TECHNOLOGY, pp. 859–866, 2013, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/37271.