Treatment of effluent

Details Treatment of effluent Treatment of effluent

1980-02-07

1981-03-31

Niebling, John F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2604128, 260417, 210638, 210702, C11B 1300, C11B 110

Patent

active

042592518

ABSTRACT:
A process for the production of fatty acid soaps from sludge, especially sewage sludge, comprises extracting sludge having a solids content of at least 15% by weight with a non-polar solvent to provide an extract containing fatty matter, and subsequently saponifying the fatty matter in the presence of a dipolar aprotic solvent having a dielectric constant of at least 15 to produce fatty acid soaps.

REFERENCES:
patent: 2755293 (1956-07-01), McDonald
patent: 3696133 (1972-10-01), Lloyd et al.
patent: 3983147 (1976-09-01), Senda et al.

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