Process for treating municipal solid waste

Details Process for treating municipal solid waste Process for treating municipal solid waste

1984-05-15

1985-09-10

Wyse, Thomas

Liquid purification or separation

Processes

Separating

210808, C02F 1118

Patent

active

045404950

ABSTRACT:
A process for treating municipal solid waste material in the presence of moisture for the separation and recovery of inorganic matter and organic matter wherein the waste material is fed into a pressure chamber and is agitated therein. The contents of the pressure chamber are subjected to heat under a pressure for a predetermined period of time to cook, sterilize and soften the organic matter contained therein. The moisture content of the waste material is controlled so that the fines of the organic fraction have a residual moisture content ranging from about 60% to 70%. After releasing the pressure from the pressure chamber, the cooked waste material is removed and then separated and classified into various fractions thereof including an inorganic fraction and the fines of the organic fraction having a residual moisture content ranging from approximately 60% to 70%.

REFERENCES:
patent: 3549010 (1970-12-01), Marsh et al.
patent: 3849246 (1974-11-01), Raymond et al.
patent: 4157961 (1979-06-01), Borst
patent: 4185680 (1980-01-01), Lawson
patent: 4321150 (1982-03-01), McMullen
patent: 4342830 (1982-08-01), Holloway

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