Porous inorganic composite semipermeable membrane and a method o

Details Porous inorganic composite semipermeable membrane and a method o Porous inorganic composite semipermeable membrane and a method o

1991-04-10

1992-11-03

Spear, Frank

Liquid purification or separation

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Supported, shaped or superimposed formed mediums

21050025, B01D 7102

Patent

active

051606178

ABSTRACT:
A porous inorganic composite semipermeable membrane provided with a support and a separating layer which has pores with an average diameter less than 1 .mu.m and which comprises at least two refractory metal oxides, wherein:

REFERENCES:
patent: 3895963 (1975-07-01), McGowen et al.
patent: 4562021 (1985-12-01), Alary et al.
patent: 4711719 (1987-12-01), Leenaars et al.
patent: 4981590 (1991-01-01), Veen et al.
A.F.M. Leenaars et al., "The Preparation and Characterization of Alumina Membranes with Ultra-Fine Pores", Journal of Materials Science, vol. 19, (1984), pp. 1077-1088.

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