FIELD: fertilizers production. SUBSTANCE: first, inoculum is prepared by warming liquid waste to 60-70 C. Then, it is poured into methane tank filled with preheated to 60-70 C litter manure with moisture content 45-75% to the upper level of manure. Biogas produced in methane tank where anaerobic conditions are maintained is treated with water, and converted manure is used as fertilizer. Ammonia-saturated wash water is used for watering agricultural crops. EFFECT: increased yield of biogas. 1 dwg
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