Method and device for the wet composting of organic sludge

Chemistry: fertilizers – Processes and products – Bacterial

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210 15, C05F 1108

Patent

active

040724948

ABSTRACT:
There is disclosed a method and apparatus for composting organic sludge by mixing the sludge with oxygen-containing gas in a gas impermeable, rotatable drum, and cooling the drum to maintain the temperature within the drum above but near the pasteurization temperature.

REFERENCES:
patent: 895229 (1908-08-01), Beddoes
patent: 2954285 (1960-09-01), Carlsson et al.
patent: 3314765 (1967-04-01), Abson et al.
patent: 3444076 (1969-05-01), Sekikawa et al.
patent: 3462275 (1969-08-01), Bellamy
patent: 3547813 (1970-12-01), Robinson et al.
patent: 3764290 (1973-10-01), Spohn

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