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. 2017 Feb;29(5).
doi: 10.1002/adma.201603524. Epub 2016 Nov 29.

Enhancing CO2 Capture using Robust Superomniphobic Membranes

Florian Geyer  1 , Clarissa Schönecker  1 , Hans-Jürgen Butt  1 , Doris Vollmer  1
Affiliations

Enhancing CO2 Capture using Robust Superomniphobic Membranes

Florian Geyer et al. Adv Mater. 2017 Feb.

Abstract

Superomniphobic membranes for post-combustion CO2 capture are introduced. Concentrated aqueous amine solutions stay on the topmost part of the membranes, providing a large liquid/CO2 interface. Wetting of the membrane, which reduces the capture efficiency, is prevented. The CO2 capture rates using the chemically, mechanically, and thermally stable superomniphobic membranes are enhanced by up to 40% relative to commercial membranes.

Keywords: CO2 capture; membranes; superhydrophobic; superoleophobic; wetting.

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