Fabrication and performance characterization of novel zinc oxide filled cross-linked PVA/PEG 600 blended membranes for CO2/N-2 separation

作者：Dilshad Muhammad Rizwan^*; Islam Atif; Sabir Aneela; Shafiq Muhammad; Butt Muhammad Taqi Zahid; Ijaz Aamir; Jamil Tahir

来源：Journal of Industrial and Engineering Chemistry, 2017, 55: 65-73.

DOI：10.1016/j.jiec.2017.06.029

• Zinc oxide
• PVA/PEG
• Membrane
• CO2/N-2

In this study zinc oxide filled and unfilled polyvinyl alcohol (PVA)/polyethylene glycol (PEG) 600 blended membranes with different degrees of cross-linking (mol%) were prepared using formaldehyde as a cross linking agent and characterized by FTIR, SEM, TGA, mechanical analysis and permeation testing for CO2 and N-2 gases. The effects of synthesis parameters like cross-linking ratio, wt.% PEG content and wt.% zinc oxide content on the membrane characteristics were also investigated. It was found that at 60 mol% degree of cross-linking and 60 wt.% PEG content, the membranes showed maximum CO2/N-2 ideal selectivity of 26 and reasonable CO2 permeability of 52.9 Barrers at 25 degrees C and 1.5 bar. It was also found that at 2 wt.% zinc oxide content, membranes showed highest CO2/N2 ideal selectivity of 112.8 and maximum CO2 permeability of 423 Barrers at 25 degrees C and 1.5 bar.

• 出版日期2017-11-25