Cross-flow filtration apparatus

Details Cross-flow filtration apparatus Cross-flow filtration apparatus

1978-11-27

1981-01-06

Hart, Charles N.

Liquid purification or separation

Casing divided by membrane into sections having inlet

Energy recovery from treated liquid

210331, 210347, 210456, 210461, 2104332, 55158, 55484, B01D 2934, B01D 3100

Patent

active

042435366

ABSTRACT:
Apparatus for the cross-flow filtration of liquids or gases, such apparatus having disc-shaped filter elements which are located concentrically around a filtrate collecting pipe and within a tubular jacket, and an inlet and outlet pipe extending parallel to the filtrate collecting pipe, each inlet and outlet pipe having an aperture between each filter element to ensure that the liquid to be filtered is supplied tangentially thereby assuming a helical flow across the filter elements. The filter elements are provided on both sides with a microporous membrane and are provided with a supporting layer having sealed passages in order to supply the filtrate to the central collecting pipe.

REFERENCES:
patent: 2207618 (1940-07-01), Grill et al.
patent: 3074559 (1963-01-01), Savino
patent: 3398833 (1968-08-01), Marks et al.
patent: 3398834 (1968-08-01), Nuttall et al.
patent: 3410058 (1968-11-01), Oswin
patent: 3450267 (1969-06-01), Jarvis
patent: 3456805 (1969-07-01), Jarvis
patent: 3943057 (1976-03-01), Jamet et al.
patent: 4025425 (1977-05-01), Croopnick et al.
"Flow Through Uniformly Taped Pipes" B. G. Vander Hegge Zijnen, Applied Science Research, vol. A3. No. 2, The Hague, 1951.

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