Process for cleansing spent clay

Details Process for cleansing spent clay Process for cleansing spent clay

1976-02-25

1977-09-20

Douglas, Winston A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252412, 260 977, 260407, C11B 1304

Patent

active

040496856

ABSTRACT:
Process for washing fatty acids from spent clay, such as spent bleaching clay, with aqueous alkali at elevated temperature is improved by establishing and maintaining the mixture of aqueous phase and fatty acid at a pH between about 5 and about 6.5.

REFERENCES:
patent: 1828035 (1931-10-01), Ellis
patent: 2236679 (1941-04-01), Ferguson et al.
patent: 3873585 (1975-03-01), Sturwold et al.

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