我国农业废物资源分布广泛,其中农作物秸秆年产量为7亿吨,可作为能源用途的秸秆约3.5亿吨,可折合1.8亿吨标准煤;工业有机废水和禽畜养殖场废水资源量,理论上可以生产沼气近800亿立方米,相当于5700万吨标准煤;薪炭林和林业及木材加工废物的资源量相当于3亿吨标准煤;目前,我国城 China’s agricultural waste resources are widely distributed, of which crop straw annual output of 700 million tons, as energy use of about 350 million tons of straw, equivalent to 180 million tons of standard coal; industrial wastewater and livestock farm wastewater resources, in theory Can produce nearly 80 billion cubic meters of biogas, equivalent to 57 million tons of standard coal; fuel wood and forestry and wood waste processing resources equivalent to 300 million tons of standard coal; At present, China City