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The transformation pathways of nitrogen in sewage sludge during hydrothermal treatment
Zhuang, Xiuzheng1,2,3,4; Huang, Yanqin1,2,3; Song, Yanpei1,2,3,4; Zhan, Hao1,2,3,4; Yin, Xiuli1,2,3; Wu, Chuangzhi1,2,3
2017-12-01
Source PublicationBIORESOURCE TECHNOLOGY
ISSN0960-8524
Volume245Pages:463-470
AbstractHydrothermal treatment (HT) has been proved as a significant pretreatment in decreasing emissions of NOX pollutants from thermochemical utilization of sewage sludge (SS) derived solid fuel. This study aims to investigate the denitrification of HT and the redistribution of nitrogen (N) in different products so as to speculate the comprehensive pathway of N transformation during hydrothermal process. Results found that only 20% of N remained in hydrochar, whereas the rest of N (nearly 80%) was transformed into other phase. A majority of amino-N in SS was enriched in liquid phase in the form of Org-N at first, then further decomposed to NH4+-N. The remaining amino-N converted to pyrrole-N, pyridine-N and quaternary-N as temperature progresses. Meanwhile, amine-N derived from protein-N formed heterocyclic-N in oil phase via Diels-Alder reaction. NH3, the major nitrogenous gas, was dissolved in liquid as NH4+-N immediately after producing, but increased with prolonged reaction time.
SubtypeArticle
KeywordTransformation Pathways Hydrothermal Treatment Denitrification Sewage Sludge
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2017.08.195
WOS Subject ExtendedAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS KeywordINDUSTRIAL BIOMASS WASTES ; FT-IR SPECTROSCOPY ; NO EMISSION ; MUNICIPAL SLUDGE ; MODEL COMPOUNDS ; LIQUEFACTION ; PYROLYSIS ; COMBUSTION ; CONVERSION ; RECOVERY
Indexed BySCI
Language英语
Funding OrganizationNational Natural Science Foundation of China(51676195 ; National Natural Science Foundation of China(51676195 ; 51661145022) ; 51661145022) ; National Natural Science Foundation of China(51676195 ; National Natural Science Foundation of China(51676195 ; 51661145022) ; 51661145022)
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS IDWOS:000412443500059
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:22[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/16383
Collection生物质热化学转化实验室
Corresponding AuthorYin, Xiuli
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Beijing, Peoples R China
2.CAS Key Lab Renewable Energy, Beijing, Peoples R China
3.Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou, Guangdong, Peoples R China
4.Univ Chinese Acad Sci, Beijing 10049, Peoples R China
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zhuang, Xiuzheng,Huang, Yanqin,Song, Yanpei,et al. The transformation pathways of nitrogen in sewage sludge during hydrothermal treatment[J]. BIORESOURCE TECHNOLOGY,2017,245:463-470.
APA Zhuang, Xiuzheng,Huang, Yanqin,Song, Yanpei,Zhan, Hao,Yin, Xiuli,&Wu, Chuangzhi.(2017).The transformation pathways of nitrogen in sewage sludge during hydrothermal treatment.BIORESOURCE TECHNOLOGY,245,463-470.
MLA Zhuang, Xiuzheng,et al."The transformation pathways of nitrogen in sewage sludge during hydrothermal treatment".BIORESOURCE TECHNOLOGY 245(2017):463-470.
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