Feedlot animal wastes into useful materials

Details Feedlot animal wastes into useful materials Feedlot animal wastes into useful materials

1975-07-31

1976-08-03

Monacell, A. Louis

Food or edible material: processes, compositions, and products

Fermentation processes

Material is mammal or fowl derived

426 56, 426807, 195 27, 47 14, A23K 100

Patent

active

039730433

ABSTRACT:
A method for converting feedlot fecal waste materials into methane and animal feed is disclosed. In the disclosed method, the feedlot fecal waste materials are collected, combined with water to form a slurry and the slurry is thereafter subjected to an anaerobic fermentation process. The anaerobic fermentation process is carried out under conditions such that a methane rich gas is formed which can be collected and utilized as an energy source. The liquid residue material from the anaerobic fermentation step is thereafter subjected to an aerobic fermentation process to produce a protein rich material that can be utilized as an animal feed. The liquid residue remaining from the aerobic fermentation process can be utilized as a fertilizer material.

REFERENCES:
patent: 2004706 (1935-06-01), Nuske
patent: 2867945 (1959-01-01), Gotaas et al.
patent: 3666106 (1972-05-01), Green
patent: 3838199 (1974-09-01), Coe et al.
patent: 3846559 (1974-11-01), Stevens

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