Liquid purification or separation – Processes – Treatment by living organism
Patent
1986-01-29
1987-08-04
Castel, Benoit
Liquid purification or separation
Processes
Treatment by living organism
210605, 210613, 2101953, 210218, 48197A, 435167, C02F 1104
Patent
active
046844686
ABSTRACT:
In the process of treating organic materials comprising a preparation phase in which the organic material to be digested is mixed with an appropriate inoculant and introduced into an anaerobic digester (6), the organic materials are mixed with the inoculant in a mixer (3) in order to form a solid-appearing mass which is introduced into the digester (6) and is extracted thereform after a period of less than 50 days; a part equal to at least one-third of the material extracted from the digester (6) is recycled to the inlet and mixed by kneading with a quantity of fresh organic material less than twice the recycled quantity, the quantity of fresh organic material being pretreated as needed by a drying or by humidification in a manner such that the mass leaving the mixer (3) has a rate of humidity between about 55% and 75%.
REFERENCES:
patent: 2190598 (1940-02-01), Fischer
patent: 2315577 (1943-04-01), Bach
patent: 2661332 (1953-12-01), Mortenson
patent: 3520802 (1970-07-01), Pavia
patent: 4255389 (1981-03-01), Jung et al.
patent: 4297216 (1981-10-01), Ishida et al.
patent: 4318993 (1982-03-01), Ghosh et al.
patent: 4511370 (1985-04-01), Hunziker et al.
A Joint Committee of the Water Pollution Control Federation and the American Society of Civil Engineers, "Wastewater Treatment Plant Design", 1977, pp. 519-521, WPCF, Washington, D.C.
Ateliers de Constructions Electriques de Charleroi
Castel Benoit
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