Liquid purification or separation – Casing divided by membrane into sections having inlet – Planar membrane
Patent
1998-08-11
2000-12-05
Reifsnyder, David A.
Liquid purification or separation
Casing divided by membrane into sections having inlet
Planar membrane
2103231, 2103601, 2103801, 210477, 422 72, 422101, 436177, B01D 6100, B01D 2126
Patent
active
061561991
ABSTRACT:
A filtration device for separating filtrate and concentrate from a solution that contains a dead stop feature. The dead stop volume is determined by the location of an outlet port. The apparatus includes a housing with a means for collecting filtrate and a filter unit insertable within the housing. The filter unit contains a semipermeable membrane thereon for separating filtrate from concentrate.
REFERENCES:
patent: 4632761 (1986-12-01), Bowers et al.
patent: 4722792 (1988-02-01), Miyagi et al.
patent: 5112484 (1992-05-01), Zuk, Jr.
patent: 5490927 (1996-02-01), Herczeg
patent: 5647990 (1997-07-01), Vassarotti
Reifsnyder David A.
Voyce Brian D.
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