Ultrafiltration apparatus

Details Ultrafiltration apparatus Ultrafiltration apparatus

1975-03-25

1977-01-11

Spear, Jr., Frank A.

Liquid purification or separation

Plural distinct separators

Filters

210433M, B01D 3100

Patent

active

040025675

ABSTRACT:
An ultrafiltration apparatus comprising a module in which a number of hollow fibers having semipermeable walls, disposed in approximately parallel and collected orderly to form a bundle and fixed with a cast-molding material at at least one end portion thereof, are used as semipermeable membrane, a back washing means and a control means for controlling said module and said back washing means, is presented. Said apparatus can be used for a long time without accompanying reduction of filtration capacity.

REFERENCES:
patent: 3228877 (1966-01-01), Mahon
patent: 3355382 (1967-11-01), Huntington
patent: 3498909 (1970-03-01), Littman
patent: 3526588 (1970-09-01), Michaels et al.
patent: 3536612 (1970-10-01), Kopecek et al.
patent: 3616928 (1971-11-01), Rosenblatt
patent: 3746640 (1973-07-01), Bray
patent: 3794169 (1974-02-01), Sisk et al.
patent: 3827976 (1974-08-01), Stana et al.
patent: 3853756 (1974-12-01), Stana

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