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Zeolite Membranes: Functionalizing of Properties by Tailored Compositions
Hannes Richter,Marcus Weyd,Adrian Simon,Jan-Thomas Kühnert,Christiane Günther,Ingolf Voigt,Alexander Michaelis 한국막학회 2017 멤브레인 Vol.27 No.6
Membrane separation is a technology of low energy consumption. Membranes made of zeolites are of great interest because their fixed and open pores in the size of small molecules inside crystalline structures allow separation processes under harsh conditions. While zeolite NaA (LTA-type) is industrially used for dewatering of organic solvents, its pore size and thermal and hydrothermal stability can be tuned by exchange of framework and extra-framework elements. SOD with pores of only 0.28 nm is of great interest for H 2 - und H 2 O-separation and also can be tuned by ion exchange. Zeolites open the opportunity to create membranes of adapted separation behavior for small molecules in conditions of surrounding technical processes.