Bioaugmentation combined with biochar to enhance thermophilic hydrogen production from sugarcane bagasse
文献类型： 外文期刊
第一作者： Huang, Jin-Rong
作者： Huang, Jin-Rong;Zhu, Ming-Jun;Chen, Xiong;Zhu, Ming-Jun;Hu, Bin-Bin;Cheng, Jing-Rong;Zhu, Ming-Jun
作者机构：
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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