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Microbial electrolysis enhanced bioconversion of waste sludge lysate for hydrogen production compared with anaerobic digestion
Yu, Zhe; Liu, Wenzong; Shi, Yingjun; Wang, Bo; Huang, Cong; Liu, Chunshuang; Wang, Aijie
2021-05-01
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
Volume767Pages:-
AbstractWaste sludge lysate was produced by dehydration after pyrolysis of waste activated sludge. In addition to dominant components such as protein, polysaccharide, and volatile fatty acids (VFAs), it also contained melanoidins, which produced from Maillard reaction. The inclusion of melanoidins will lead to poor biological degradation in conventional anaerobic digestion (AD). While microbial electrolysis cell (MEC) was proved an enhanced degradation of complex organic matter for hydrogen production. The results showed that under high concentration conditions, conventional AD caused the accumulation of propionic acid and slowed down the use of acetic acid, but MEC overcame the defects and increased the chemical oxygen demand (COD) removal efficiency by 40.33%, and achieved average hydrogen production rate (0.15 +/- 0.05 L L-1 day ), which was 79 times that of AD system (0.0019 +/- 0.0009 L L-1 day(-1)). Therefore, MEC can enhanced biodegradation of the waste sludge lysate for high hydrogen production. (C) 2020 Elsevier B.V. All rights reserved.
Department中国科学院环境生物技术重点实验室
KeywordHydrogen Waste sludge lysate Melanoidins Anaerobic digestion Microbial electrolysis
WOS Research AreaEnvironmental Sciences
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/46128
Collection中国科学院环境生物技术重点实验室
Affiliation1.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, CAS Key Lab Environm Biotechnol, Beijing 100049, Peoples R China
2.Harbin Inst Technol Shenzhen, Sch Civil & Environm Engn, Shenzhen 518055, Peoples R China
3.United Envirotech Tianjin Ltd, Tianjin 300040, Peoples R China
4.Tech Univ Denmark, Dept Environm Engn, DK-2800 Lyngby, Denmark
5.Chinese Acad Sci, Tianjin Inst Ind Biotechnol, Natl Technol Innovat Ctr Synthet Biol, Tianjin, Peoples R China
6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Yu, Zhe,Liu, Wenzong,Shi, Yingjun,et al. Microbial electrolysis enhanced bioconversion of waste sludge lysate for hydrogen production compared with anaerobic digestion[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2021,767:-.
APA Yu, Zhe.,Liu, Wenzong.,Shi, Yingjun.,Wang, Bo.,Huang, Cong.,...&Wang, Aijie.(2021).Microbial electrolysis enhanced bioconversion of waste sludge lysate for hydrogen production compared with anaerobic digestion.SCIENCE OF THE TOTAL ENVIRONMENT,767,-.
MLA Yu, Zhe,et al."Microbial electrolysis enhanced bioconversion of waste sludge lysate for hydrogen production compared with anaerobic digestion".SCIENCE OF THE TOTAL ENVIRONMENT 767(2021):-.
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