3.8 Proceedings Paper

Influence of functionalized nanoparticles on the CO2/N2 separation properties of PVA-based gas separation membranes

Publisher

ELSEVIER SCIENCE BV
DOI: 10.1016/j.egypro.2017.03.1205

Keywords

Facilitated Transport Membranes (FTM); CO2 separation; POSS (R); PVA-based; fuctionalized nanoparticles

Funding

  1. European Community [608555]
  2. Research Council of Norway (RCN) through the CLIMIT program [224934]
  3. BIGCCS Centre for Environment-friendly Energy Research [193816/S60]

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This work investigated the influence of amino-functionalized polyhedral oligomeric silsesquioxane (amine-POSS (R)) nanoparticles dispersed in a polyvinyl alcohol (PVA) matrix applied as a CO2-selective gas separation membrane. The nanoparticles belong to a class of highly branched nanosized polymers, so called POSS (R). To improve the mechanical stability of the thin selective layer, the PVA-POSS (R) nanocomposite was deposited onto a polysulfone (PSf) support material. The influence of the ratio between PVA and amine-POSS (R) on the CO2 permeance and CO2/N-2 selectivity, the effect of the degree of humidity of the feed gas, and the stability of the obtained hybrid membranes for a total period of 1000h during exposure to SO2 at concentrations of up to 400 ppm were investigated. (c) 2017 The Authors. Published by Elsevier Ltd.

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