Construction of novel microbial consortia CS-5 and BC-4 valued for the degradation of catalpa sawdust and chlorophenols simultaneously with enhancing methane production

被引：58

作者：

Ali, Sameh S. ^{[1
,2
]}

Mustafa, Ahmed M. ^{[3
,4
]}

Kornaros, Michael ^{[5
]}

Manni, Alessandro ^{[6
]}

Sun, Jianzhong ^{[1
]}

Khalil, Maha A. ^{[2
,7
]}

机构：

[1] Jiangsu Univ, Biofuels Inst, Sch Environm & Safety Engn, Xuefu Rd 301, Zhenjiang 212013, Jiangsu, Peoples R China

[2] Tanta Univ, Dept Bot, Fac Sci, Tanta 31527, Egypt

[3] Zhejiang Univ, Coll Biosyst Engn & Food Sci, Hangzhou 310058, Peoples R China

[4] Suez Canal Univ, Fac Agr, Dept Agr Engn, Ismailia 41522, Egypt

[5] Univ Patras, Dept Chem Engn, LBEET, 1 Karatheodori Str,Univ Campus, Patras 26504, Greece

[6] Univ Roma Tor Vergata, Dept Ind Engn, Rome, Italy

[7] Taif Univ, Dept Biol, Fac Sci, At Taif, Saudi Arabia

来源：

BIORESOURCE TECHNOLOGY | 2020年 / 301卷

基金：

国家重点研发计划; 中国国家自然科学基金;

关键词：

Anaerobic digestion; Lignocellulose structure; Chlorophenols; Biological pretreatment; Microbial consortium; Catalpa sawdust; ENZYMATIC-HYDROLYSIS; ANAEROBIC-DIGESTION; BIOLOGICAL PRETREATMENT; SACCHARIFICATION; WASTE; STRAW; ENHANCEMENT; CELLULASE; BIOMASS; REACTOR;

D O I：

10.1016/j.biortech.2019.122720

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

This study might be the first to explore the novel constructed microbial consortia CS-5 and BC-4 for enhancing methane (CH4) production during anaerobic digestion (AD) with simultaneous degradation of catalpa sawdust and chlorophenols (CPs). Significant reduction in cellulose, hemicellulose and lignin contents was achieved after the biodegradation of catalpa sawdust for 15 days by CS-5 and BC-4, with a total weight loss of 69.2 and 56.3%, respectively. The synergistic microbial consortia enhanced cumulative biogas and CH4 yields by 76.3 and 64.3%, respectively higher than the corresponding control at the end of AD. More than 90% of CH4 was produced within 18 days of AD as a result of microbial pretreatment of catalpa sawdust. These consortia resulted in remarkably higher energy conversion efficiency of 44.3% (218.1 L-N CH4/kg TS) over the control. CS-5 and BC-4 removed more than 69 and 77% of the total amount of CPs tested after 15 days.

引用

页数：13

共 49 条

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