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Bioaugmentation combined with biochar to enhance thermophilic hydrogen production from sugarcane bagasse

文献类型： 外文期刊

作者： Huang, Jin-Rong 1 ; Chen, Xiong 2 ; Hu, Bin-Bin 3 ; Cheng, Jing-Rong 4 ; Zhu, Ming-Jun 1 ;

作者机构： 1.South China Univ Technol, Guangdong Key Lab Fermentat & Enzyme Engn, Guangzhou Higher Educ Mega Ctr, Sch Biol & Biol Engn, Guangzhou 510006, Peoples R China

2.Hubei Univ Technol, Key Lab Fermentat Engn, Minist Educ, Wuhan 430068, Hubei, Peoples R China

3.Yunnan Acad Tobacco Agr Sci, Kunming 650021, Yunnan, Peoples R China

4.Guangdong Acad Agr Sci, Sericultural & Agrifood Res Inst, Key Lab Funct Foods,Minist Agr & Rural Affairs, Guangdong Key Lab Agr Prod Proc, Guangzhou 510610, Peoples R China

5.Kashi Univ, Key Lab Ecol & Biol Resources Yarkand Oasis Coll, Coll Life & Geog Sci,Dept Educ Xinjiang Uygur Aut, Key Lab Biol Resources & Ecol Pamirs Plateau Xinj, Kashi 844000, Peoples R China

关键词： Biohydrogen production; Bioaugmentation; Biochar; Sugarcane bagasse; Thermoanaerobacterium thermosaccharolyticum

期刊名称：BIORESOURCE TECHNOLOGY （ 影响因子：11.889； 五年影响因子：11.139 ）

ISSN： 0960-8524

年卷期： 2022 年 348 卷

页码：

收录情况： SCI

摘要： In this study, Thermoanaerobacterium thermosaccharolyticum MJ2 and biochar were used to enhance thermophilic hydrogen production from sugarcane bagasse. MJ2 bioaugmentation notably increased the hydrogen production by 95.31%, which was further significantly improved by 158.10% by adding biochar. The addition of biochar promoted the degradation of substrate, improved the activities of hydrogenase and electron transfer system, and stimulated microbial growth and metabolism. Microbial community analysis showed that the relative abundance of Thermoanaerobacterium was significantly increased by bioaugmentation and further enriched by biochar. PICRUSt analysis showed that MJ2 combined with biochar promoted metabolic pathways related to substrate degradation and microbial metabolism. This study provides a novel enhancement method for hydrogen production of the cellulolytic microbial consortium by exogenous hydrogen-producing microorganism combined with biochar and deepens the understanding of its functional mechanism.

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