Process of composting refuse or refuse/sewage sludge mixtures by

Chemistry: fertilizers – Processes and products – Bacterial

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71 13, 71 14, C05F 700, C05F 904

Patent

active

043176712

ABSTRACT:
This disclosure relates to a novel process of composting refuse or refuse/sewage-sludge mixtures by thermal retting by piling refuse to form a first layer of a predetermined height, maintaining an area below the first layer accessible to atmosphere, and retaining the same under atmospheric conditions for a predetermined period of time until the same has solidified and become self-supporting through entanglement of the retted refuse, thereafter forming a second layer atop the first layer, maintaining the second layer under similar conditions for a similar predetermined period of time, and repeating such layering until a stack is formed, and thereafter removing the stack or portions thereof for further utilization only after the uppermost layer has become completely solidified and self-supporting through entanglement of its completely retted refuse.

REFERENCES:
patent: 2595027 (1952-04-01), Verdiev
patent: 4146381 (1979-03-01), Willisch et al.
patent: 4146382 (1979-03-01), Willisch

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