Method and device for anaerobically fermenting organic material

Liquid purification or separation – Processes – Treatment by living organism

Reexamination Certificate

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Details

C210S631000, C210S195300, C210S205000, C210S218000, C210S260000

Reexamination Certificate

active

06905601

ABSTRACT:
Method for anaerobically fermenting biodegradable organic material, whereby this material is mixed with a quantity of already fermented material as an inoculum for the active anaerobic fermentation and this mixture is introduced at the top into a fermentation chamber (1A) in which a fermenting mass is situated, which, while being fermented, moves from an inlet (6A) situated at the top towards an outlet (8) situated at the bottom. Before the mixture is added to the fermenting mass, it is expanded beforehand until its density approximately coincides with the density of the already present fermenting mass at the beginning of this downward movement.

REFERENCES:
patent: 4482458 (1984-11-01), Rovel et al.
patent: 4565552 (1986-01-01), Cotton
patent: 5185079 (1993-02-01), Dague
patent: 5409610 (1995-04-01), Clark
patent: 5660724 (1997-08-01), Pollock
patent: 10001107 (2001-07-01), None
patent: 1146820 (1957-11-01), None
patent: 2518116 (1983-06-01), None
patent: 2580294 (1986-10-01), None
patent: 685865 (1953-01-01), None

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