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首页> 外文期刊>RSC Advances >Pyrolysis gas as a carbon source for biogas production via anaerobic digestion
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Pyrolysis gas as a carbon source for biogas production via anaerobic digestion

机译：通过厌氧消化作为沼气产生的热解气

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摘要

Carbon is an important resource for anaerobes to enhance biogas production. In this study, the possibility of using simulated pyrolysis gas (SPG) as a carbon source for biogas production was investigated. The effects of stirring speed (SS), gas holding time (GHT), and H-2 addition on biomethanation of SPG were evaluated. The diversity and structure of microbial communities were also analyzed under an illumina MiSeq platform. Results indicated that at a GHT of 14 h and an SS at 400 rpm, SPG with up to 64.7% CH4 could be bio-upgraded to biogas. Gas-liquid mass transfer is the limitation for SPG biomethanation. For the first time, it has been noticed that the addition of H-2 can bioupgrade SPG to high quality biogas (with 91.1% CH4). Methanobacterium was considered as a key factor in all reactors. This study provides an idea and alternative way to convert lignocellulosic biomass and solid organic waste into energy (e.g., pyrolysis was used as a pretreatment to produce pyrolysis gas from biomass, and then, pyrolysis gas was bioupgraded to higher quality biogas via anaerobic digestion).
机译：碳是厌氧生产的重要资源，以提高沼气生产。在该研究中，研究了使用模拟热解气（SPG）作为沼气产生的碳源的可能性。评估搅拌速度（SS），气体保持时间（GHT）和H-2对SPG的生物甲基化的影响。在Illumina Miseq平台下还分析了微生物社区的多样性和结构。结果表明，在400 rpm的GHT为14小时，SPG，高达64.7％的CH4可以是生物升级的。气液传质是SPG生物甲烷化的限制。首次注意到，将H-2的添加可以将SPG添加到高质量的沼气中（具有91.1％CH 4）。甲基杆菌被认为是所有反应器中的关键因素。该研究提供了将木质纤维素生物质和固体有机废物转化为能量的思想和替代方法（例如，热解用作从生物质产生热解气的预处理中，然后通过厌氧消化来生物解解气体缩生至更高质量的沼气。

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  • 来源
    《RSC Advances》 |2017年第66期|共7页
  • 作者

    Li Yeqing; Su Dongfang; Luo Sen; Jiang Hao; Qian Mingyu; Zhou Hongjun; Street Jason; Luo Yan; Xu Quan;

  • 作者单位

    CUPB Inst New Energy Beijing Key Lab Biogas Upgrading Utilizat State Key Lab Heavy Oil Proc Beijing 102249 Peoples R China;

    CUPB Inst New Energy Beijing Key Lab Biogas Upgrading Utilizat State Key Lab Heavy Oil Proc Beijing 102249 Peoples R China;

    CUPB Inst New Energy Beijing Key Lab Biogas Upgrading Utilizat State Key Lab Heavy Oil Proc Beijing 102249 Peoples R China;

    CUPB Inst New Energy Beijing Key Lab Biogas Upgrading Utilizat State Key Lab Heavy Oil Proc Beijing 102249 Peoples R China;

    CUPB Inst New Energy Beijing Key Lab Biogas Upgrading Utilizat State Key Lab Heavy Oil Proc Beijing 102249 Peoples R China;

    CUPB Inst New Energy Beijing Key Lab Biogas Upgrading Utilizat State Key Lab Heavy Oil Proc Beijing 102249 Peoples R China;

    Mississippi State Univ Dept Sustainable Bioprod Mississippi State MS 39762 USA;

    West Virginia Univ Dept Chem Engn Morgantown WV 26506 USA;

    CUPB Inst New Energy Beijing Key Lab Biogas Upgrading Utilizat State Key Lab Heavy Oil Proc Beijing 102249 Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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