Rotary vacuum pre-coat filter apparatus

Details Rotary vacuum pre-coat filter apparatus Rotary vacuum pre-coat filter apparatus

1983-12-08

1985-04-16

Wyse, Thomas

Liquid purification or separation

With heater or heat exchanger

Flow line connected in series with distinct separator

210193, 210251, 210402, B01D 3306

Patent

active

045114684

ABSTRACT:
This invention relates to the art of vacuum pre-coat filtering to produce solids capable of being incinerated for their heat value and recovery of non-combustible solids. Specifically, the invention deals with rotary vacuum filtering apparatus containing a coating layer on the filter drum screen of a combustible non-fibrous particulate filter aid, preferably charcoal, which forms an efficient filter bed, is capable of being scraped from the bed in thin film form with the filtered out solids thereon and is capable of being incinerated eliminating heretofore necessary disposal expense.

REFERENCES:
patent: 3635341 (1972-01-01), Davis
patent: 3780861 (1973-12-01), Hirs
patent: 3870632 (1975-03-01), Erskine
patent: 3900395 (1975-08-01), Hirs
patent: 4197205 (1980-04-01), Hirs
patent: 4238334 (1980-12-01), Halbfoster
patent: 4315824 (1982-02-01), Karolkiewicz et al.
Johns-Manville, "Celite Filter Aids", Brochure FA-84A-RWC.
Eagle-Picher Celatom, "Diatomic Filter Aids", Brochure A-500.
Grefco, Inc., "Diacalite Perlite Filter Aid", Technical Bulletin P-11-E.
Eagle Picher "Pre-co-Floc", Cellulose fiber filter aids provide superior performance, Bulletin, Form C-100.
Johns-Manville, "Celite", Technical Data sheet FF-238A.

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