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木屑生物炭对秸秆和牛粪厌氧发酵产甲烷性能的影响

荆勇,  冯晶,  赵立欣,  申瑞霞,  王全亮,  肖生苓

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文章导航 > 环境工程  > 2021 >  39(1): 154-160
荆勇, 冯晶, 赵立欣, 申瑞霞, 王全亮, 肖生苓. 木屑生物炭对秸秆和牛粪厌氧发酵产甲烷性能的影响[J]. 环境工程, 2021, 39(1): 154-160. doi: 10.13205/j.hjgc.202101024
引用本文: 荆勇, 冯晶, 赵立欣, 申瑞霞, 王全亮, 肖生苓. 木屑生物炭对秸秆和牛粪厌氧发酵产甲烷性能的影响[J]. 环境工程, 2021, 39(1): 154-160. doi: 10.13205/j.hjgc.202101024
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JING Yong, FENG Jing, ZHAO Li-xin, SHEN Rui-xia, WANG Quan-liang, XIAO Sheng-ling. EFFECT OF SAWDUST BIOCHAR ON ANAEROBIC FERMENTATION OF STRAW AND COW MANURE FOR METHANE PRODUCTION[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(1): 154-160. doi: 10.13205/j.hjgc.202101024
Citation: JING Yong, FENG Jing, ZHAO Li-xin, SHEN Rui-xia, WANG Quan-liang, XIAO Sheng-ling. EFFECT OF SAWDUST BIOCHAR ON ANAEROBIC FERMENTATION OF STRAW AND COW MANURE FOR METHANE PRODUCTION[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(1): 154-160. doi: 10.13205/j.hjgc.202101024
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木屑生物炭对秸秆和牛粪厌氧发酵产甲烷性能的影响

doi: 10.13205/j.hjgc.202101024

  • 1. 东北林业大学 工程技术学院, 哈尔滨 150036;

  • 2. 农业农村部规划设计研究院 农村能源与环保研究所, 农业农村部农业废弃物能源化利用重点实验室, 北京 100125

基金项目: 

中国博士后科学基金资助项目（2018M641295）；农业农村部重点实验室开放课题（KLERUAR2018-01）。

详细信息
    作者简介:

    荆勇,男,硕士研究生,主要研究方向为生物炭强化废弃物厌氧发酵研究。994126953@qq.com

    通讯作者:

    肖生苓,女,博士,教授,主要研究方向为物流工程与生物质材料。shenglingxiao@126.com

EFFECT OF SAWDUST BIOCHAR ON ANAEROBIC FERMENTATION OF STRAW AND COW MANURE FOR METHANE PRODUCTION

  • 1. College of Engineering and Technology, Northeast Forestry University, Harbin 150036, China;

  • 2. Center of Energy and Environmental Protection, Chinese Academy of Agricultural Engineering, Key Laboratory of Energy Resource Utilization from Agriculture Residue, Ministry of Agriculture, Beijing 100125, China

    摘要
  • 摘要: 利用AMPTS全自动甲烷潜力测试系统、First-Order水解模型、修正的Gompertz和logistic模型，在了解生物炭各理化特性的基础上，通过对厌氧发酵的水解速率、产甲烷潜力及最大甲烷产率等进行拟合和对比分析，研究木屑生物炭对序批式湿法厌氧发酵的影响规律。结果表明：木屑生物炭对序批式厌氧发酵前期的底物水解速率、甲烷产率及累积甲烷产量均有着显著的影响，其中木屑生物炭对水解速率的影响强于果木生物炭和活性炭，较椰壳生物炭弱，且提升厌氧发酵系统的缓冲能力较椰壳生物炭和活性炭强。木屑生物炭对厌氧发酵的强化作用与生物炭粒径成负相关，当粒径<0.5 mm时强化效果最好，提高水解速率33.93%，提升最大产甲烷速率约19.32%，缩短延滞期约51.28%。
    Abstract: Utilizing the AMPTS fully automated test system of methane production potential, first-order hydrolysis model, modified Gompertz model and logistic model, based on understanding the physical and chemical properties of biochar, through modeling and comparative analysis the hydrolysis rate, the methanogenic potential and the maximum methane yield of anaerobic fermentation to research the effect of woody biochar on sequential batch wet anaerobic fermentation. The results showed that sawdust biochar had significant effect on substrate hydrolysis, the methane yield and cumulative methane production in the pre-stage anaerobic fermentation. The effect of sawdust biochar on the hydrolysis rate was stronger than that of fruit wood biochar and activated carbon in the early stage of anaerobic fermentation, which was weaker than that of coconut shell charcoal. The buffering capacity of sawdust biochar on anaerobic fermentation system was stronger than that of coconut shell biochar and activated carbon. The Enhanced effect of sawdust biochar on anaerobic fermentation was negatively correlated with the particle size of biochar. The smaller the particle size of the sawdust biochar, the more significant the effect of anaerobic fermentation was. When the particle size was less than 0.5 millimeter, the strengthening effect was best, the hydrolysis rate was increased by 33.93%, the maximum methanogenesis rate was increased by 19.32%, and the lag period was shortened by 51.28%.
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  • 收稿日期:  2019-12-18
  • 网络出版日期:  2021-04-23

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