Liquid purification or separation – Casing divided by membrane into sections having inlet – Energy recovery from treated liquid
Patent
1985-08-30
1988-11-22
Sever, Frank
Liquid purification or separation
Casing divided by membrane into sections having inlet
Energy recovery from treated liquid
2104931, 2104933, B01D 1300
Patent
active
047864117
ABSTRACT:
The invention relates to an apparatus comprising a stack of plates having plates of a type A and a type B alternating. Each plate has exposed channels and a semi-permeable membrane 1 turned over one of its edges 2. The membranes extend into the exposed channels 8, 8a-9, 9a to provide locations for the passage of the fluid to be treated flowing between the two superposed membranes 1 arranged between two adjacent plates A and B. Further exposed channels 13, 15, 17, 19 are used for the passage of the treating fluid flowing between the face of each plate in the exchange and/or separation zones 3, 3a of the plates A and B thereon and the adjacent membrane. If each plate A is symmetrical relative to a median plane perpendicular to one edge 2, each plate B of the stack can be considered as a plate A which has been turned through 180 degrees about a median axis perpendicular to the edge 2.
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patent: 3827563 (1974-08-01), Boe et al.
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Bellhouse, B. J. et al., International Appl. Pub. Under PCT, WO80/01042, May 29, 1980.
U.S. Dept. of Commerce, Patent Office Academy, Formality Term List, Topic 7d, (two pages), 1977.
Benattar Robert
Cronenberger Michel
Honor Robert S.
Hospal Industrie
Jewell Walter F.
Sever Frank
Sharkin Gerald D.
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