Process for the dehydration of fatty sludge and the recovery of

Details Process for the dehydration of fatty sludge and the recovery of Process for the dehydration of fatty sludge and the recovery of

1975-10-20

1976-08-10

Hart, Charles N.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210 52, 210 56, 260112R, 2604125, 260424, 260425, C02B 120

Patent

active

039740692

ABSTRACT:
A process is disclosed for concentrating a fatty sludge precipitated from a fatty and proteinaceous aqueous emulsion by successive addition of hydrolyzable metals salts and alkaline earth salts thereto and subsequently separated from the aqueous portion of the emulsion, comprising acidifying the separated fatty sludge with mineral acid and allowing a supernatant concentrated sludge to form above an aqueous phase. The supernatant concentrated sludge which is formed may be heated preferably to boiling either separately or without separation from the aqueous phase to further concentrate the sludge and produce a fatty acid containing supernatant phase. The chemicals originally used for precipitating the fatty sludge may be recovered from the aqueous phase.

REFERENCES:
patent: 966196 (1910-08-01), Goodman
patent: 1430182 (1922-09-01), Peck
patent: 2204703 (1940-06-01), Sanders
patent: 2328361 (1939-08-01), Sanders
patent: 2522140 (1950-10-01), Shawcross
patent: 2902501 (1951-09-01), Clayton
patent: 3350301 (1967-10-01), Hoffman
patent: 3428660 (1969-02-01), Morren
patent: 3440167 (1969-04-01), Clark
patent: 3491080 (1970-01-01), Ehrensvard
patent: 3519662 (1970-07-01), Gruver
patent: 3677940 (1942-07-01), Fujmoto
patent: 3772191 (1963-11-01), Thorn
patent: 3812032 (1974-05-01), Chapperil
patent: 3936375 (1976-02-01), Nettli

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