A new kind of Al2O3 supporter for inorganic membranes

J Mater Sci Technol ›› 2001, Vol. 17 ›› Issue (S1): 147-150.

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A new kind of Al2O3 supporter for inorganic membranes

Fude LIU, Senfeng CHEN, Emma CHEN

Institute of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China

Received:2000-10-26 Revised:2001-02-05 Online:2001-10-28 Published:2009-10-10
Contact: Senfeng CHEN

Abstract

Abstract: In this experiment, in order to prepare high quality inorganic membranes which are conventionally not tough enough to bear high pressure, we tried three kinds of CaO-MgO-SiO2 adhesives. Unlike conventional adhesives used for porous supporters, these three kinds of adhesives have high mechanical strength, which ensure the high properties of the membranes with high porosity. Adhesive, sintering temperature, poremaker (or pore forming material) and holding heat time, were taken into account. The relationship between the properties of membranes and the four factors were found out through a kind of orthogonal experiment named Lg(3(4)). Then we got a better way to the preparation of Al2O3 membranes which could have porosity over 45% and even remain strength over 40 MPa.

Key words:

Fude LIU, Senfeng CHEN, Emma CHEN. A new kind of Al2O3 supporter for inorganic membranes[J]. J Mater Sci Technol, 2001, 17(S1): 147-150.

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A new kind of Al2O3 supporter for inorganic membranes

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