Liquid purification or separation – Processes – Treatment by living organism
Patent
1981-03-30
1983-02-08
Castel, Benoit
Liquid purification or separation
Processes
Treatment by living organism
210607, 210608, 210613, 210170, 210180, 2101953, 210197, 210202, 210218, 210220, 210256, 210525, 48197A, 126445, 423220, C02F 328, B01D 2106, B01D 1904
Patent
active
043728561
ABSTRACT:
The invention provides for a sealed mix tank having two chambers: one chamber mixes waste material and water to form a slurry and collect gas, particularly ammonia gas, during the digestive process; and, a second chamber stores water used for mixing. A classifier separates anaerobically non-digestible material from the slurry by directing the slurry through a basin to settle heavy particles and to push scum-forming particles onto a strainer. A sealed digest tank allows for sparging of the slurry with gas and for collecting the bio-gas generated during the digestive process. A sealed sludge tank receives digested slurry from the digest tank, sparges the sludge with gas, and collects the resultant bio-gas. A sealed scrub tank contains a scrubbing liquid which first absorbs ammonia gas generated during the digestive process and subsequently absorbs carbon dioxide and hydrogen sulfide from bio-gas collected from the tanks during the process. A solar collector circulates a liquid across the surface of tanks used in the digestive process to absorb solar energy and subsequently stores the heated liquid for use in the process.
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