Vacuum retort anaerobic digestion system and process

Details Vacuum retort anaerobic digestion system and process Vacuum retort anaerobic digestion system and process

2005-09-13

2005-09-13

Prince, Fred G. (Department: 1724)

Liquid purification or separation

Processes

Treatment by living organism

C210S612000, C210S631000, C210S175000, C210S192000, C210S259000

Reexamination Certificate

active

06942798

ABSTRACT:
Anaerobic digestion system and process in which a liquor containing a digestible biomass is processed a retort vessel at a thermophilic temperature and with a vacuum pressure at the surface of the liquor. A pressurized feedstock is introduced into the vessel so that the feedstock impacts upon the surface of the liquor in a manner which serves to break up any scum on the surface and produce a mixing of the liquor.

REFERENCES:
patent: 2188847 (1940-01-01), Streander
patent: 2640027 (1953-05-01), Fay et al.
patent: 4372856 (1983-02-01), Morrison
patent: 4482458 (1984-11-01), Rovel et al.
patent: 4696746 (1987-09-01), Ghosh et al.
patent: 5185079 (1993-02-01), Dague
patent: 6464875 (2002-10-01), Woodruff
patent: 56-168894 (1981-12-01), None

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