Liquid purification or separation – Casing divided by membrane into sections having inlet – Noncoiled nonannular cross section tube
Patent
1987-04-17
1989-03-28
Spear, Frank
Liquid purification or separation
Casing divided by membrane into sections having inlet
Noncoiled nonannular cross section tube
210346, B01D 1300
Patent
active
048161500
ABSTRACT:
Filtration module formed by a stack of tubular membranes shaped as flat cases (1) 0.2 to 2 mm thick and intercalated drains (2) formed as a cloth or a lattice which leaves uncovered the end parts of the case, which are covered by tight and rigid tongues (3). The stack, sandwiched between two rigid plates (5) and integrally mounted to two end flanges (6, 7) which sealingly engage a tubular body, while providing input openings (71) and output openings for the product to be filtered and the filtered product, in parallel for all the cases. The plates provide a free space for the filtrate discharge between the stack and the body. The path length of the filtered product is between 10 and 50 cm and the discharge path length of the filtrate is between 3 and 10 cm.
REFERENCES:
patent: 2686154 (1954-08-01), MacHeill
patent: 3494468 (1970-02-01), Kuhl
patent: 3579441 (1971-05-01), Brown
patent: 4261830 (1981-04-01), Schael et al.
patent: 4500426 (1985-02-01), Ishii et al.
Ulmschheider et al., DEF. Pub. T 867,005, published 10-21-69.
Bernard Michel
Largeteau Denis
Pierrard Paul
Drucker William A.
Spear Frank
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