Filtration process and apparatus

Details Filtration process and apparatus Filtration process and apparatus

1979-09-17

1981-04-07

Castel, Benoit

Liquid purification or separation

Processes

Separating

2103232, 210387, 100 37, 100120, B01D 3318

Patent

active

042604966

ABSTRACT:
Disclosed is a filtration process for separating solid, sludge-like and dissolved constituents from effluent, comprising the steps of introducing under an elevated pressure the effluent into a tube-shaped filter having a closed end and an open end, the tube-shaped filter being comprised of a semi-permeable material, the point of introduction of the effluent being initially near the closed end of the filter; moving the point of introduction of the effluent away from the closed end and toward the open end of the filter; and adjusting the rate of introduction of the effluent into the filter to achieve a predetermined content of solids in the concentrate remaining inside the filter. Also disclosed is a device for carrying out this process.

REFERENCES:
patent: 2864506 (1953-12-01), Hiskey
patent: 2884062 (1959-04-01), Taylor
patent: 3399778 (1968-09-01), O'Neill
patent: 3523077 (1970-08-01), Camirand et al.
patent: 3527698 (1970-09-01), Von Reppert et al.
patent: 3747766 (1973-07-01), Brooks
patent: 4039450 (1977-08-01), Brown
patent: 4101423 (1978-07-01), Merrill et al.
patent: 4173249 (1979-11-01), Holkko et al.

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