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People in poor areas disafforest, burn straw and pollute the air for cooking.
Food residues and human and animal excrement are not easy to deal with and easy to breed bacteria.
Anaerobic installation decomposes straw, food residue, human and animal excrement and other organic matters into combustible gas, water and compost sludge by means of anaerobic bacteria, providing people with cooking, lighting, heating and fertilizer for irrigation.
University of Science and Technolog
Qingdao University of Science and Technology