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A process combining hydrothermal pretreatment, anaerobic digestion and pyrolysis for sewage sludge dewatering and co-production of biogas and biochar: Pilot-scale verification
Li, Chunxing1; Wang, Xingdong1; Zhang, Guangyi2; Li, Jie1; Li, Zhiwei1; Yu, Guangwei1; Wang, Yin1
2018-04-01
发表期刊BIORESOURCE TECHNOLOGY
ISSN0960-8524
卷号254页码:187-193
摘要To fully dispose of/utilize sewage sludge, a process combing hydrothermal pretreatment (HTPT), anaerobic digestion (AD) and pyrolysis was developed and tested at the pilot scale. First, the improvement in sludge dewaterability by HTPT at 180 degrees C for 30 min was verified, and the water content decreased from 85 to 33 wt% after filter pressing. Then, the resulting filtrate underwent continuous mesophilic (37 +/- 2 degrees C) AD in an up-flow anaerobic sludge bed (UASB) reactor for producing biogas to compensate for the energy required for HTPT. Meanwhile, the filter cake was pyrolyzed in a rotary furnace (600 +/- 50 degrees C) to generate biochar, and heavy metals were well immobilized in the biochar. Finally, the material/energy balance made according to the pilot data showed that the proposed process was effective for full resource reuse of sewage sludge.
关键词Sewage Sludge Hydrothermal Pretreatment Anaerobic Digestion Pyrolysis Heavy Metal Energy Balance
文章类型Article
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2018.01.045
收录类别SCI
语种英语
关键词[WOS]WASTE-ACTIVATED-SLUDGE ; EXTRACELLULAR POLYMERIC SUBSTANCES ; HEAVY-METALS ; TRANSFORMATION BEHAVIOR ; SEQUENTIAL EXTRACTION ; AMMONIA INHIBITION ; RISK-ASSESSMENT ; LIQUEFACTION ; MIGRATION ; TEMPERATURE
WOS研究方向Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS类目Agricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
项目资助者National Natural Science Foundation of China - China(41373092) ; China - Japanese Research Cooperative Program - China(2016YFE0118000) ; Industry Leading Key Projects of Fujian Province - China(2015H0044) ; Scientific and Technology Major Special Project of Tianjin City(16YFXTSF00420) ; Key Project of Young Talent of IUE, CAS - China(IUEZD201402)
WOS记录号WOS:000426436100025
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/24008
专题多相复杂系统国家重点实验室
作者单位1.Chinese Acad Sci, Inst Urban Environm, Key Lab Urban Pollutant Convers, Xiamen 36102, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
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Li, Chunxing,Wang, Xingdong,Zhang, Guangyi,et al. A process combining hydrothermal pretreatment, anaerobic digestion and pyrolysis for sewage sludge dewatering and co-production of biogas and biochar: Pilot-scale verification[J]. BIORESOURCE TECHNOLOGY,2018,254:187-193.
APA Li, Chunxing.,Wang, Xingdong.,Zhang, Guangyi.,Li, Jie.,Li, Zhiwei.,...&Wang, Yin.(2018).A process combining hydrothermal pretreatment, anaerobic digestion and pyrolysis for sewage sludge dewatering and co-production of biogas and biochar: Pilot-scale verification.BIORESOURCE TECHNOLOGY,254,187-193.
MLA Li, Chunxing,et al."A process combining hydrothermal pretreatment, anaerobic digestion and pyrolysis for sewage sludge dewatering and co-production of biogas and biochar: Pilot-scale verification".BIORESOURCE TECHNOLOGY 254(2018):187-193.
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