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Response of anaerobic digestion of waste activated sludge to residual ferric ions
He, Zhang-Wei; Yang, Chun-Xue; Tang, Cong-Cong; Liu, Wen-Zong; Zhou, Ai-Juan; Ren, Yong-Xiang; Wang, Ai-Jie
2021-02
Source PublicationBIORESOURCE TECHNOLOGY
ISSN0960-8524
Volume322Pages:-
AbstractThis study was conducted to investigate the effects of residual ferric ions (FI), released from iron or its oxides for wastewater or waste activated sludge (WAS) treatment, on anaerobic digestion of WAS. Herein it was found that the anaerobic digestion process was greatly affected by FI dosages as well as FI distributions. The responses of performance and microorganism suggested that a low FI (e.g., 0.125 mmol/g volatile suspended solid (VSS)) enhanced methane production by 29.3%, and a medium FI (e.g., 0.3 mmol/g VSS) promoted short chain fatty acids accumulation to reach the maximum of 247 mg chemical oxygen demand/g VSS, conversely, a high FI (e. g., 0.9 mmol/g VSS) led to severe inhibition on acidogenesis and methanogenesis. The findings may provide some new insights for mechanism understanding on anaerobic digestion process influenced by iron or its oxides, as well as the disposal of WAS contained FI.
Department中国科学院环境生物技术重点实验室
KeywordWaste activated sludge Anaerobic digestion Ferric ions Short-chain fatty acids Methane
WOS Research AreaAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/46149
Collection中国科学院环境生物技术重点实验室
Affiliation1.Xian Univ Architecture & Technol, Sch Environm & Municipal Engn, Shaanxi Key Lab Environm Engn, Xian 710055, Peoples R China
2.Xian Univ Architecture & Technol, Minist Educ, Key Lab Northwest Water Resource Environm & Ecol, Xian 710055, Peoples R China
3.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Key Lab Environm Biotechnol, 18 Shuangqing Rd, Beijing 100085, Peoples R China
4.Harbin Univ, Sch Geog & Tourism, Heilongjiang Cold Reg Wetland Ecol & Environm Res, Harbin 150086, Peoples R China
5.Harbin Inst Technol Shenzhen, Sch Civil & Environm Engn, Shenzhen 51805, Peoples R China
6.Taiyuan Univ Technol, Coll Environm Sci & Engn, Taiyuan 030024, Peoples R China
Recommended Citation
GB/T 7714
He, Zhang-Wei,Yang, Chun-Xue,Tang, Cong-Cong,et al. Response of anaerobic digestion of waste activated sludge to residual ferric ions[J]. BIORESOURCE TECHNOLOGY,2021,322:-.
APA He, Zhang-Wei.,Yang, Chun-Xue.,Tang, Cong-Cong.,Liu, Wen-Zong.,Zhou, Ai-Juan.,...&Wang, Ai-Jie.(2021).Response of anaerobic digestion of waste activated sludge to residual ferric ions.BIORESOURCE TECHNOLOGY,322,-.
MLA He, Zhang-Wei,et al."Response of anaerobic digestion of waste activated sludge to residual ferric ions".BIORESOURCE TECHNOLOGY 322(2021):-.
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