Organic digester apparatus and method

Details Organic digester apparatus and method Organic digester apparatus and method

1975-07-11

1977-09-06

Spear, Jr., Frank A.

Chemistry: fertilizers

Processes and products

Bacterial

48197A, C05F 1108

Patent

active

040465519

ABSTRACT:
An organic digester apparatus and a method are provided for the production of liquid fertilizer and methane gas from organic waste materials. The apparatus includes a plurality of organic digesters each having a gas sealing liquid well between the tank and the roof member thereof. In addition, each digester tank includes means for rotating the roof, washing the digester tank, and for observing the interior of the digester tank. The method is a batch of step digesting method of anaerobic digesting and includes depositing the organic waste into a collecting digester and subsequently depositing the organic material from the collecting digester into successive stage digesters that are each substantially emptied of organic material prior to said depositing steps.

REFERENCES:
patent: 1420250 (1922-06-01), Gavett
patent: 2572767 (1951-10-01), Schlenz
patent: 3246761 (1966-04-01), Bryan et al.
patent: 3756784 (1973-09-01), Pittwood
patent: 3821107 (1974-06-01), Peoples

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