Anaerobic fermentation technique for combined treatment of dejection and straw
2008
The invention relates to an anaerobic fermentation technique for combinely processing feces and straws. The method comprises doing pile treatment to feces, and then mixing with disintegrated straws, adjusting water-content coefficient to 60%-70% to be used as bait of earthworms cultivation, through wormcast which is produced after earthworms eat bait into a methane tank to do methane tank to produce marsh gas. The invention solves the technical difficult problems of layered raw material, incrusted floating upward, difficult discharging, bad gas production effect and the like which are caused by directly utilizing straws to be marsh gas fermentation material and restricts straws to be household methane tank fermentation material for a long term, and meanwhile, wormcast which is used as marsh gas fermentation material has the functions of improving raw material gas production rate, improving anaerobic sludge activity and strengthening the stability of anaerobic fermentation process, and earthworm production improves economic output of handling process.
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