目录摘要.............................................................................................................................................................-1-1前言..............................................................................................................................................................-2-2沼气发酵原理..............................................................................................................................................-3-2.1沼气发酵特点.......................................................................................................................................-3-2.2沼气发酵过程.......................................................................................................................................-3-3沼气的发酵产品的综合利用......................................................................................................................-5-3.1能源效益...............................................................................................................................................-5-3.2肥料效益...............................................................................................................................................-5-3.3环境效益...............................................................................................................................................-6-4国内外发展状况..........................................................................................................................................-6-4.1国外发展状况.......................................................................................................................................-6-4.2国内发展状况.......................................................................................................................................-7-5河南省发展沼气的条件和出现的问题......................................................................................................-9-5.1有利条件...............................................................................................................................................-9-5.1.1国家政策........................................................................................................................................-9-5.1.2农业大省........................................................................................................................................-9-5.1.3秸秆沼气工程................................................................................................................................-9-5.2出现的问题...........................................................................................................................................-9-5.2.1经济问题......................................................................................................................................-10-5.2.2管理和服务问题..........................................................................................................................-10-5.2.3技术问题[....................................................................................................................................-12-6河南省发展沼气对策及建议...................................................................................
