Zeolite Membrane: From Microstructure to Separation Performance

Dear Colleagues,

Zeolite membrane has been widely investigated as an attractive tool in the development of separation processes of both liquid and gaseous components. The separation process targets dehydration, organic-organic separation, gas separation and so on. The microstructure of the membrane plays an important role in the separation mechanism so that it is very important to understand quantitatively a relationship between the microstructure and separation performance. The microstructure is determined by a distribution of zeolite crystal and grain boundary, mixing of the amorphous phase, and an interface structure between the membrane and its support material. Such the structure has been characterized by XRD, SEM, TEM, EDX, IR, NMR and permporometry and so on. The separation technique includes pervaporation, vapor permeation, and gas permeation processes. Chemical engineering analysis of the separation performance and improvements to the equipment applied to the separation processes are also important to discuss the microstructure. 

This special issue focuses on the understanding of the microstructure and the separation performance. We welcome contributions from all fields of fundamental, application, and industrial. We are looking forward to your contribution and would like to share the recent progress among zeolite membrane researchers.

Dr. Tomohiro Kyotani
Dr. Hannes Richter
Guest Editors

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