Improving the biodegradability of rice straw by electrochemical pretreatment

被引：13

作者：

Sun, Shaohua ^{[1
]}

Zhang, Yuanyuan ^{[1
]}

Yang, Zhaoyang ^{[1
]}

Liu, Chunmei ^{[2
]}

Zuo, Xiaoyu ^{[2
]}

Tang, Yang ^{[3
]}

Wan, Pingyu ^{[3
]}

Liu, Yanping ^{[2
]}

Li, Xiujin ^{[2
]}

Coulon, Frederic ^{[4
]}

Hu, Qing ^{[5
,6
]}

Yang, Xiao Jin ^{[1
]}

机构：

[1] Beijing Univ Chem Technol, State Key Lab Chem Resource Engn, 15 Beisanhuan East Rd, Beijing 100029, Peoples R China

[2] Beijing Univ Chem Technol, Beijing City Environm Pollut Control & Resource R, 15 Beisanhuan East Rd, Beijing 100029, Peoples R China

[3] Beijing Univ Chem Technol, Natl Fundamental Res Lab New Hazardous Chem Asses, Beijing 100029, Peoples R China

[4] Cranfield Univ, Sch Water Energy & Environm, Cranfield MK43 0AL, Beds, England

[5] South Univ Sci & Technol, Sch Environm Sci & Engn, Shenzhen 518055, Guangdong, Peoples R China

[6] Beijing Huanding Environm Big Data Inst, 1 Wangzhuang Rd, Beijing 100083, Peoples R China

来源：

FUEL | 2022年 / 330卷

关键词：

Rice straw; Pretreatment; Anaerobic digestion; Electrohydrolysis; Electrolytic peroxide; ALKALINE HYDROGEN-PEROXIDE; ANAEROBIC-DIGESTION; ENZYMATIC-HYDROLYSIS; BIOGAS PRODUCTION; CO-DIGESTION; WHEAT-STRAW; BIOMASS PRETREATMENT; METHANE PRODUCTION; DEGRADATION; BIOETHANOL;

D O I：

10.1016/j.fuel.2022.125701

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The efficacy of NaOH, alkaline hydrogen peroxide (NaOH-H2O2), electrochemically produced NaOH-H2O2 (eNaOH-H2O2) and electrohydrolysis (EH) pretreatments was investigated for anaerobic digestion of rice straw. The cumulative biogas production was enhanced by 8%, 22% and 14% in the NaOH-H2O2, eNaOH-H2O2 and EH relative to conventional NaOH pretreatment. The chemical and electrochemical pretreatments decreased the crystallinity of cellulose and created a porous surface vein. Electrochemical NaOH-H2O2 pretreatment is efficient to promote microbial degradation of lignocellulose for biogas production while the risks associated with the transportation and storage of H2O2 are avoided. EH reduces the pretreatment time significantly and is a promising approach for utilizing rice straw biomass to produce renewable energy.

引用

页数：9

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