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Sludge char-to-fuel approaches based on the hydrothermal fueling IV: fermentation
Qin, Jinyi; Zhang, Rui; Yang, Ruiwen; Fang, Jiao; Zhang, Yu; Li, Xiaoguang; Gao, Junfa
2021-08-15
Source PublicationWATER SCIENCE AND TECHNOLOGY
ISSN0273-1223
Volume84Issue:4Pages:880-891
AbstractSewage sludge was subjected to hydrothermal fueling (HTF) (330 degrees C for 40 min), obtaining hydrochar at 13.5 MJ kg(-1). The higher heating value (HHV) of the raw sludge was related to its fatty acid content. The results showed that although the higher heating value (HHV) of the raw sludge was related to its fatty acid content, with the intensification of HTF, the increase in aliphatic/cyclic amino acids determined the production of HHV in the hydrochar. In order to increase the content of fatty acids and amino acids, the sludge was fermented. However, the Bacteroidetes consumed the organic matter too early, which was detrimental to the production of HHV. Therefore, appropriate sludge fermentation is recommended to restrict excessive Bacteroidetes proliferation, decompose lipids to saturated fatty acids, and convert proteins to aliphatic/cyclic amino acids to increase the efficiency of converting sludge to fuel.
Department环境水质学国家重点实验室
Keywordamino acids Bacteroidetes fatty acids HHV hydrothermal fueling
WOS Research AreaEngineering, Environmental ; Environmental Sciences ; Water Resources
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/45999
Collection环境水质学国家重点实验室
Affiliation1.Changan Univ, Sch Civil Engn, Xian 710054, Peoples R China
2.Chinese Acad Sci, Univ Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Environm Aquat Chem, Beijing 100085, Peoples R China
Recommended Citation
GB/T 7714
Qin, Jinyi,Zhang, Rui,Yang, Ruiwen,et al. Sludge char-to-fuel approaches based on the hydrothermal fueling IV: fermentation[J]. WATER SCIENCE AND TECHNOLOGY,2021,84(4):880-891.
APA Qin, Jinyi.,Zhang, Rui.,Yang, Ruiwen.,Fang, Jiao.,Zhang, Yu.,...&Gao, Junfa.(2021).Sludge char-to-fuel approaches based on the hydrothermal fueling IV: fermentation.WATER SCIENCE AND TECHNOLOGY,84(4),880-891.
MLA Qin, Jinyi,et al."Sludge char-to-fuel approaches based on the hydrothermal fueling IV: fermentation".WATER SCIENCE AND TECHNOLOGY 84.4(2021):880-891.
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