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Zeolite membranes: Functionalizing of properties by tailored compositions

: Richter, Hannes; Weyd, Marcus; Simon, Adrian; Kühnert, Jan-Thomas; Günther, Christiane; Voigt, Ingolf; Michaelis, Alexander


Memburein = Membrane journal 27 (2017), Nr.6, S.469-476
ISSN: 1226-0088 (Print)
ISSN: 2288-7253 (Online)
Bundesministerium für Bildung und Forschung BMBF
03WKCN01D; Wachstumskern pades
Bundesministerium für Bildung und Forschung BMBF
01DR17015A; ZeoUp
Bundesministerium für Wirtschaft und Energie BMWi
ZF4076411SA6; DCM2
Fraunhofer IKTS ()
Zeolith; mikroporöse Membran; Molekularsieb

Membrane separation is a technology of low energy consumption. Membranes made of zeolites are of great interest because of its fixed and open pores in the size of small molecules inside of crystalline structures allowing separation processes under harsh conditions. While zeolite NaA (LTA-type) is industrial used for dewatering of organic solvents the pore size its thermal and hydrothermal stability can by tuned by exchange of framework and extra-framework elements. SOD with pores of only 0.28nm is of great interest for H2- und H2O-separation and also can by tuned by ion exchange. Zeolites opens the opportunity to create membranes of adapted separation behavior for small molecules in conditions of surrounding technical processes.