基本术语沼气Biogas甲烷methaneCO2carbondioxideH2Shydrogensulfide甲烷含量methaneconcentrationmethanecontentofabout年减排二氧化碳数字吨reducingtheCO2emissionsby数字tonsyear碳carbon氮nitrogen磷phosphorus产甲烷菌methanogen水解酸化hydrolysisacidification甲烷化methanation单项厌氧发酵onephseanaerobicfermentation消化digest两相厌氧发酵twophseanaerobicfermentation大型沼气工程largescalebiogasproject垃圾填埋场landfillplant厌氧污泥消化anaerobicsludgedigestionsewagetreatmentplant联合厌氧消化coanaerobicdigestioncodigestionplant畜禽粪便livestockmanure奶牛牛粪cattlemanure肉妞牛粪cowmanure猪粪pigmanur