Methane production from and beneficiation of anaerobic digestion

Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Preparing hydrocarbon

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435801, 210603, 210611, C12P 502

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043294286

ABSTRACT:
A process for improved methane production resulting in higher yield and higher production rates by anaerobic digestion of a mixture of plant material and organic waste. The process is suitable for production of synthetic natural gas and through anaerobic digestion of a mixture of plant material and organic waste allows better matching of organic waste and plant material feed supplies for year round operation. The process of this invention results in digester effluent which is easily dewatered and has a low concentration of soluble organics, providing easy disposal and recycling to the digester. The process of this invention may be used for methane production from plant material which is, by itself, recalcitrant to anaerobic digestion.

REFERENCES:
patent: 1990523 (1935-02-01), Buswell et al.
patent: 3640846 (1972-02-01), Johnson
patent: 4022665 (1977-05-01), Ghosh et al.
patent: 4040953 (1977-08-01), Ort
Nelson et al. "Effect of Temperature of Digestion, Chemical Composition and Size of Particles on Production of Fuel Gas From Farm Wastes", J. Ag. Res. vol. 58 (1939) pp. 273-287.

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