Comparison between thermophilic and mesophilic anaerobic digestion of waste activated sludge by combined NaOH-microwave pretreatment

被引：4

作者：

Chen, Fu-Qiang ^{[1
,2
]}

Chi, Yong-Zhi ^{[1
,2
]}

Li, Kai-Xiong ^{[1
,2
]}

Zhang, Yanming ^{[3
]}

Tian, Zhe ^{[4
]}

Fei, Xue-Ning ^{[1
,2
]}

Li, Yu-You ^{[5
]}

机构：

[1] Tianjin Chengjian Univ, Joint Res Ctr Protect Infrastruct Technol & Envir, Sch Environm & Municipal Engn, Tianjin 300384, Peoples R China

[2] Tianjin Chengjian Univ, Tianjin Key Lab Aquat Sci & Technol, Jinjing Rd 26, Tianjin 300384, Peoples R China

[3] Publ Works Dept, Water Resources Div, City Of Livermore, CA 94551 USA

[4] Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Environm Aquat Chem, Beijing, Peoples R China

[5] Tohoku Univ, Grad Sch Engn, Dept Civil & Environm Engn, Sendai, Miyagi, Japan

来源：

ENVIRONMENTAL TECHNOLOGY | 2022年 / 43卷 / 05期

基金：

中国国家自然科学基金;

关键词：

Waste activated sludge; NaOH-microwave pretreatment; methane fermentation; dewaterability; CO-DIGESTION; FOOD WASTE; INHIBITION; ALKALI;

D O I：

10.1080/09593330.2020.1804465

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The purpose of this study was to investigate the performance of the thermophilic and mesophilic anaerobic digestion process (TADP, MADP) fed with NaOH-microwave pretreated waste activated sludge. The experiment was conducted in anaerobic CSTR reactors. During this experiment, the reactors were stable in operation and were not inhibited by ammonia. The methane production and reduction of organic matters from MADP were less than those from TADP. The dewatering performance of mesophilic sludge was better than that of the thermophilic sludge. The experimental results showed that the continuous TADP and MADP were effective, when the reactors were fed with the waste activated sludge pretreated by NaOH-microwave. MADP was more suitable to combine the NaOH-MW pretreatment process than TADP.

引用

页码：766 / 773

页数：8

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