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首页> 外文期刊>Journal of Hazardous Materials >Enhanced anaerobic digestion performance by two artificially constructed microbial consortia capable of woody biomass degradation and chlorophenols detoxification
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Enhanced anaerobic digestion performance by two artificially constructed microbial consortia capable of woody biomass degradation and chlorophenols detoxification

机译：通过两个能够木质生物量降解和氯酚解毒的人工构建的微生物联盟增强了厌氧消化性能

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摘要

Catalpa sawdust (CSW) is a promising biomass-based biofuel. However, the complex lignocellulosic structure limits its efficient utilization in biorefinery applications. It is even more so when chlorophenols (CPs), highly toxic organic substances widely used as wood preservatives, are present. Hence, it is crucial to develop effective and eco-friendly approaches to attain deconstruction of lignocellulose and chlorophenols simultaneously as well as to improve methane (CH4) production efficiently. This study might be the first to explore the performance of the novel constructed microbial consortia CS-5 and BC-4 on woody biomass degradation and CPs detoxification simultaneously with CH4 production. After the degradation of CSW and CPs for 15 days by C5-5 or BC-4, significant reduction in lignocellulosic components and CPs mixture was realized with a total weight loss of 69.2 and 56.3 % and CPs degradation of 89 and 95 %, respectively. The toxicity of individual or mixed CPs after 15 days of degradation was reduced by approximately 90 %. The synergistic action of CS-5 and BC-4 enhanced biogas and CH4 yields over 76 and 64 % respectively, higher than control. Furthermore, CH4 production increased by 113.7 % at the peak phase of AD process. Methanosataceae represented 45.1 % of the methanogenic Archaea in digester G-III.
机译：al木屑（CSW）是一种有前途的基于生物质的生物燃料。然而，复杂的木质纤维素结构限制了其在生物精炼应用中的有效利用。当存在广泛用作木材防腐剂的高毒性有机物质氯酚（CPs）时，情况更是如此。因此，至关重要的是，开发有效且生态友好的方法，以同时实现对木质纤维素和氯酚的解构，以及有效地提高甲烷（CH4）的生产。这项研究可能是第一个探索新型构建的微生物联盟C​​S-5和BC-4对木质生物量降解和CPs脱毒同时产生CH4的性能的研究。在C5-5或BC-4将CSW和CP降解15天后，木质纤维素成分和CP混合物显着减少，总重量损失分别为69.2％和56.3％，CP降解分别为89％和95％。降解15天后单个或混合CP的毒性降低了约90％。 CS-5和BC-4的协同作用分别提高了沼气和CH4的收率76％和64％，高于对照。此外，在AD过程的高峰阶段，CH4的产量增加了113.7％。在消化器G-III中，甲烷菌科占产甲烷的古生菌的45.1％。

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  • 来源
    《Journal of Hazardous Materials》 |2020年第may5期|122076.1-122076.21|共21页
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  • 作者单位

    Jiangsu Univ Sch Environm & Safety Engn Biofuels Inst Xuefu Rd 301 Zhenjiang 212013 Jiangsu Peoples R China|Tanta Univ Fac Sci Bot Dept Tanta 31527 Egypt;

    Univ Patras Dept Chem Engn Lab Biochem Engn & Environm Technol 1 Karatheodori Str Univ Campus Patras 26504 Greece;

    Univ Roma Tor Vergata Dept Ind Engn Rome Italy;

    Jiangsu Univ Sch Environm & Safety Engn Biofuels Inst Xuefu Rd 301 Zhenjiang 212013 Jiangsu Peoples R China;

    Tanta Univ Fac Sci Bot Dept Tanta 31527 Egypt;

    Tanta Univ Fac Sci Dept Chem Polymer Res Grp Tanta 31527 Egypt;

    Tanta Univ Fac Sci Bot Dept Tanta 31527 Egypt|Taif Univ Fac Sci Biol Dept At Taif Saudi Arabia;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Chlorophenols; Woody biomass; Microbial consortium; Biodegradation and detoxification; Anaerobic digestion; Methanogenic Archaea;

    机译：氯酚;木质生物量;微生物联盟;生物降解和排毒;厌氧消化;产甲烷古细菌;

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