alexa Inorganic membranes obtained by sol-gel techniques
Materials Science

Materials Science

Journal of Material Sciences & Engineering

Author(s): A Larbot, JP Fabre, C Guizard, L Cot

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The production scheme of thin and porous ceramic layers (inorganic membranes) is presented. Three ways are possible for obtaining inorganic membranes: one using suspended powders, and two using sol-gel techniques. The latter permits ultrafiltration membranes to be obtained. p]We expose one particular sol-gel technique viz. the destabilization of colloidal solutions, and we describe the successive steps of this process: peptization, sol viscosity adjustment, addition of binders, coating the sol layer, drying, and thermal treatment. p]At last, we report various techniques to characterize membranes: scanning electron microscopy, mercury porosimetry and permeation tests.

This article was published in Journal of Membrane Science and referenced in Journal of Material Sciences & Engineering

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