Methane production from and beneficiation of anaerobic digestion

Gas: heating and illuminating – Processes – Fuel mixtures

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Details

210602, 210603, 210613, 435167, 435801, C02F 328, C02F 332

Patent

active

044240643

ABSTRACT:
A process for improved methane production by anaerobic digestion of aquatic plant material at least a portion or all of which has been grown in organically polluted water. Mixtures of aquatic plant material one portion of which has been grown in non-polluted and a second portion comprising over about 10 weight percent which has been grown in organically polluted water may be used to result in a synergistic yield of methane. The liquid effluent from the digester may be advantageously returned to the aquatic plant growing pond to maintain the desired organic pollution. The process provides for improved methane production from aquatic plant material which is, by itself, recalcitrant to anaerobic digestion.

REFERENCES:
patent: 2198737 (1940-04-01), Peterson
patent: 2867945 (1959-01-01), Gotaas
patent: 3421942 (1969-01-01), McBaine
patent: 3640846 (1972-02-01), Johnson
patent: 3698881 (1972-10-01), White
patent: 3981800 (1976-09-01), Ort
patent: 3981803 (1976-09-01), Coulthard
patent: 3994780 (1976-11-01), Klass
patent: 4169050 (1979-09-01), Serfling

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