基于玉米秸秆与牛粪混合物原料的高氢沼气制备工艺研究  

HYDROGEN-RICH BIOGAS PRODUCTION FROM MIXTURE RAW MATERIAL OF CORN STALKS AND COW DUNG

作　　者：孙亚飞[1] 张志萍[1] 李亚猛 张全国[1,2] 

机构地区：[1]河南农业大学生物质能源河南省协同创新中心,郑州450002 [2]农业部可再生能源新材料与装备重点实验室,郑州450002

出　　处：《太阳能学报》2018年第2期279-284,共6页Acta Energiae Solaris Sinica

基　　金：国家自然科学基金(51376056);教育部博士点基金优先领域项目(20134105130001)

摘　　要：对以玉米秸秆和牛粪混合物为发酵原料制备高氢沼气的工艺技术进行研究。提出温度、初始pH值等因素与产气量及其氢含量之间的关系。结果表明：发酵周期内的H2浓度在初始4d内呈先升后降的趋势。当实验系统发酵温度为35℃时，累积产气量为10．6L，其中H2浓度最高可达4．1％；当实验系统初始pH值为7．5时，累积产气量为14．1L，其中H2浓度最高可达4．4％。The research was focused on the production technology of hydrogen-rich biogas using mixture of corn stalks and cow dung as fermentation materials, and the relationship between temperature, initial pH value and biogas yield, its hydrogen content was investigated. The results showed that the hydrogen concentration is firstly raised and then decreased in the first 4 days of fermentation period. When the fermentative temperature is 35℃ in experiment system, the cumulative biogas yield is 10.6 L, the hydrogen concentration can reach up to 4.1%. When the initial pH value is 7.5 in experiment system and the cumulative biogas yield is 14.1 L, the hydrogen concentration can reach up to 4.4%.

关 键 词：玉米秸秆 牛粪 厌氧发酵 高氢沼气 

分 类 号：TK6[动力工程及工程热物理—生物能]