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ECN publication
Aspects of suspensions and sol processing for the manufacturing of high performance ceramic membranes
Published by: Publication date:
ECN Energy Efficiency in Industry 1-6-1998
ECN report number: Document type:
ECN-RX--98-024 Article (scientific)
Number of pages:

Published in: Contribution to CIMTEC, World Ceramics Congress & Forum on New Materials, Florence, Italy, 14-19 June 1998 (), , , Vol., p.-.

Membrane material, membrane module design and system design all threedetermine the performance of membrane separation units. However, most important are the membrane material properties. Without the use of membrane materials that possess sufficient intrinsic selectivity and permeability for the separation of a certain component(s) from a mixture (liquid or gas), a membrane separation unit operation is not possible at all. Membrane material properties depend on the structure of the usually tubular material on several levels: the layered structure, the microstructure of each layer and the (pore) defect structure of each layer. In particular the latter becomes of crucial importance in scaling up membrane areas of a few cm2 to the large surface areas needed for real applications. Colloidal processing is the key to control the structure of an inorganic membrane on all these three levels. 16 refs

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