Recovery of domestic oil from spent clay

Details Recovery of domestic oil from spent clay Recovery of domestic oil from spent clay

1977-09-09

1978-08-29

Konopka, P. E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C11B 1304

Patent

active

041103564

ABSTRACT:
Spent clay from the bleaching of C.sub.18+ domestic glyceride esters ("oils") is deoiled by slurrying such spent clay with aqueous alkali at a temperature of at least about 80.degree. C. and a weight ratio of water to clay of about 2-6:1 at a high "pH window" for such oil recovery.

REFERENCES:
patent: 1828035 (1931-10-01), Ellis
patent: 2236679 (1941-04-01), Ferguson et al.
patent: 4049685 (1977-09-01), Smith et al.

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