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ECN publication
Percolation properties of porous ceramic suspension coatings for molecular separation membrane supports; Minimizing Macropore Defect Density by Multiple Coating
Published by: Publication date:
ECN Energy Efficiency in Industry 1-7-2004
ECN report number: Document type:
ECN-RX--04-081 Conference Paper
Number of pages: Full text:
10 Download PDF  

Presented at: 8th International Conference on Inorganic Membranes (ICIM 8), Cincinnati, USA, 18-22 juli 2004.

Single layer suspension coatings on extruded membrane support tubesare shown to have a relatively large density of defects with pore sizes larger than that are found in bulk material made from the same suspension. Increasing the thickness of the coating does not lead to a significant improvement. However, by applying a second layer the pore throat distribution approaches that of a bulk compact of the same suspension.

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