Liquid purification or separation – Filter – Material
Patent
1990-04-26
1991-12-31
Sever, Frank
Liquid purification or separation
Filter
Material
264 415, 264 455, 427244, B01D 6118, B01D 7102, B01D 7104
Patent
active
050769260
ABSTRACT:
A process is provided for modifying a ceramic ultrafiltration membrane system consisting of a sub-microporous top layer and a microporous inorganic carrier whereby said top layer after modification has reduced pore size and/or is made catalytically active.
REFERENCES:
patent: 4929406 (1990-05-01), Abe et al.
Burggraaf Anthonie J.
Keizer Klaas
Uhlhorn Robert J. R.
Reper Ronald R.
Sever Frank
Shell Oil Company
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