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CFD based combustion model for sewage sludge gasification in a fluidized bed

Yiqun WANG, Lifeng YAN

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 2,   Pages 138-145 doi: 10.1007/s11705-009-0050-7

Abstract: Gasification is one potential way to use sewage sludge as renewable energy and solve the environmentalproblems caused by the huge amount of sewage sludge.paper, a three-dimensional Computational Fluid Dynamics (CFD) model has been developed to simulate the sewagesludge gasification process in a fluidized bed.

Keywords： CFD     model     sewage sludge     gasification     syngas    

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High-solid anaerobic digestion of sewage sludge: achievements and perspectives

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1364-4

Abstract:

• High-solid anaerobic digestion (HS-AD) of sewage sludge (SS) is overviewed

Keywords： High-solid effect     Anaerobic fermentation     Methane production     Biodegradability     Sludge treatment    

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Properties and effect of forming sewage sludge into lightweight ceramics

Min YUE, Qinyan YUE, Yuanfeng QI, Baoyu GAO, Hui YU

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 1,   Pages 117-124 doi: 10.1007/s11783-010-0220-3

Abstract: In this work we investigated the chemical, thermal and toxic properties of dried sewage sludge (DSS),the preparation and properties of lightweight sludge ceramic (LSC) and the mechanisms of action of the

Keywords： sludge     foaming agents     ceramics     preheating process    

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Biodegradation of triclosan and triclocarban in sewage sludge during composting under three ventilation

Bao Yu, Guodi Zheng, Xuedong Wang, Min Wang, Tongbin Chen

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 3, doi: 10.1007/s11783-019-1125-4

Abstract:

TCS and TCC can be biodegraded during sewage sludge composting.listitem>

Ventilation significantly accelerated the biodegradation of TCS and TCC in sludge/listitem>

Composting can reduce the environmental risk of TCS and TCC in sewagesludge.

Keywords： Sewage sludge     Compost     Triclosan     Triclocarban     Ventilation     Risk assessment    

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Influencing mechanism of high solid concentration on anaerobic mono-digestion of sewage sludge without

Yuyao ZHANG,Huan LI,Can LIU,Yingchao CHENG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 6,   Pages 1108-1116 doi: 10.1007/s11783-015-0806-x

Abstract: High-solids anaerobic digestion of sewage sludge was a promising process, but high solid concentrationdirectly determined by the efficiency of mass transfer, and the relation between methane yield and sludgeThus, the increasing TS resulted in an exponential increase in sludge viscosity but an exponential decrease

Keywords： anaerobic digestion     methane     sewage sludge     volatile fatty acids     free ammonia    

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The transformation of PAHs in the sewage sludge incineration treatment

Hui ZHANG,Le XU,Yifei ZHANG,Mengchan JIANG

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 2,   Pages 336-340 doi: 10.1007/s11783-014-0766-6

Abstract: The release of pollutants from sewage sludge in the treatment process is a worldwide tricky problem inthe field of sludge treatment.paper, the release and reaction between monomers of polycyclic aromatic hydrocarbons (PAHs) in the sewagesludge incineration treatment were studied based on simulated experiments.Over 90% of total PAHs in sewage sludge are released at the the temperature of 300°C–750°C.

Keywords： release of monomers     transformation of monomers     PAHs     sewage sludge     incineration treatment    

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Tank-dependence of the functionality and network differentiation of activated sludge community in a full-scaleanaerobic/anoxic/aerobic municipal sewage treatment plant

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 3, doi: 10.1007/s11783-023-1636-x

Abstract:

● Environmental parameters affected functional bacteria and network associations.

Keywords： Activated sludge     Bacterial community     Tank-dependence     Network association     Functional bacteria    

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Bioaerosolization behavior along sewage sludge biostabilization

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 3, doi: 10.1007/s11783-020-1339-5

Abstract:

• Aerosolization behavior during a lab-scale sludge biostabilization

Keywords： Sludge     Composting     Bioaerosol     Bioaerosolization index     High-throughput sequencing     4′     6-diamidino-    

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Evaluation of endocrine disruption and dioxin-like effects of organic extracts from sewage sludge in

LIU Cao,XU Yiping,MA Mei,HUANG Bingbin,WU Jingdong,MENG Qingyi,WANG Zijian,GEARHEART Robert Alan

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 3,   Pages 433-440 doi: 10.1007/s11783-013-0594-0

Abstract: Study on effective disposal and utilization of sewage sludge has recently been the target of growingIn this study, a screening assessment was conducted on sewage sludge samples collected from 17 differentHowever, there were no significant correlations between the toxic effects of sewage sludge and the sewageIn addition, the 17β-estradiol (E2) equivalent quantity (EEQ) level of the sewage sludge was increasedsludge composted was much lower than that of sewage sludge.

Keywords： sewage sludge     in vitro bioassay     endocrine disruption     dioxin-like effect    

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Co-pyrolysis of sludge and kaolin/zeolite in a rotary kiln: Analysis of stabilizing heavy metals

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 7, doi: 10.1007/s11783-021-1488-1

Abstract:

• Adding kaolin/zeolite promotes the formation of stable heavy metals.

Keywords： Co-pyrolysis     Sewage sludge     Heavy metals     Rotary kiln     Immobilization mechanism    

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Proposed EU legislation to force changes in sewage sludge disposal: A case study

Vojtěch Turek, Bohuslav Kilkovský, Zdeněk Jegla, Petr Stehlík

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 4,   Pages 660-669 doi: 10.1007/s11705-018-1773-0

Abstract: p>The consequences of changes planned in the European Union legislation relevant to the disposal of sewageplant is analyzed in terms of drying and subsequent combustion or pyrolysis of the produced stabilized sludgesimplified economic analysis of the two disposal options is presented, which suggest that combustion of the sludgewould be economically infeasible while pyrolysis of the sludge in a modular, self-sufficient container

Keywords： sewage sludge     drying     combustion     pyrolysis    

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Safe Disposal and Resource Recovery of Urban Sewage Sludge in China

Dai Xiaohu , Hou Li’an , Zhang Linwei , Zhang lin , Yang Donghai

Strategic Study of CAE 2022, Volume 24, Issue 5,   Pages 145-153 doi: 10.15302/J-SSCAE-2022.05.017

Abstract:

As a by-product of wastewater treatment, sludge has dual attributes ofProper disposal of sludge is significant for reducing pollution and carbon emissions in sewage treatmentThe sludge treatment in China has shifted from emphasis on wastewater treatment over sludge treatmentto equal emphasis on sludge and wastewater treatment, and the technologies and standards system haveIn this paper, we reviewed the current status of slug treatment in China from the aspects of urban sludge

Keywords： sewage sludge     sludge treatment     pollution control     resource recovery     reduction of pollution and carbon    

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Challenge of biodiesel production from sewage sludge catalyzed by KOH, KOH/activated carbon, and KOH/

Xuemin Wu,Fenfen Zhu,Juanjuan Qi,Luyao Zhao,Fawei Yan,Chenghui Li

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 2, doi: 10.1007/s11783-017-0913-y

Abstract: The considerable compounds content, abundance, and low costs involved has led to the proposal to use sewagesludge as raw material for biodiesel production.sludge as raw material.However, the three catalysts did not work better than H SO , which had a maximum yield of 4.6% (dry sewagesludge base) considering the purity by KOH, KOH/CaO, and KOH/AC.

Keywords： Biodiesel     Sewage sludge     Base catalyst     In situ transesterification    

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Speciation evolutions of target metals (Cd, Pb) influenced by chlorine and sulfur during sewage sludge

Jingde LUAN,Rundong LI,Zhihui ZHANG,Yanlong LI,Yun ZHAO

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 6,   Pages 871-876 doi: 10.1007/s11783-013-0621-1

Abstract: In sludge incineration, the thermal behavior of heavy metal is a growing concern.investigate the possible volatilization-condensation mechanism of heavy metals in high-temperature sludgeWith the increase of chlorine and sulfur in sludge, the inner speciation redistribution of heavy metals

Keywords： sludge incineration     heavy metals     inner speciation redistribution     binding energy    

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Possible solutions for sludge dewatering in China

Wei WANG, Yuxiang LUO, Wei QIAO,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 1,   Pages 102-107 doi: 10.1007/s11783-010-0001-z

Abstract: In China, over 1.43×10 tons of dewatered sewage sludge, with 80% water content, were generated fromAbout 60% of the COD removed during the wastewater treatment process becomes concentrated as sludge.The present status of sludge treatment and disposal methodology is introduced in this paper.and economic sludge disposal.In comparison, hydrothermal technology could achieve dewatered sewage sludge with a 50%–60% water

Keywords： sewage sludge disposal     water content     thermal drying     hydrothermal conditioning    

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Title Author Date Type Operation

CFD based combustion model for sewage sludge gasification in a fluidized bed

Yiqun WANG, Lifeng YAN

Journal Article

High-solid anaerobic digestion of sewage sludge: achievements and perspectives

Journal Article

Properties and effect of forming sewage sludge into lightweight ceramics

Min YUE, Qinyan YUE, Yuanfeng QI, Baoyu GAO, Hui YU

Journal Article

Biodegradation of triclosan and triclocarban in sewage sludge during composting under three ventilation

Bao Yu, Guodi Zheng, Xuedong Wang, Min Wang, Tongbin Chen

Journal Article

Influencing mechanism of high solid concentration on anaerobic mono-digestion of sewage sludge without

Yuyao ZHANG,Huan LI,Can LIU,Yingchao CHENG

Journal Article

The transformation of PAHs in the sewage sludge incineration treatment

Hui ZHANG,Le XU,Yifei ZHANG,Mengchan JIANG

Journal Article

Tank-dependence of the functionality and network differentiation of activated sludge community in a full-scaleanaerobic/anoxic/aerobic municipal sewage treatment plant

Journal Article

Bioaerosolization behavior along sewage sludge biostabilization

Journal Article

Evaluation of endocrine disruption and dioxin-like effects of organic extracts from sewage sludge in

LIU Cao,XU Yiping,MA Mei,HUANG Bingbin,WU Jingdong,MENG Qingyi,WANG Zijian,GEARHEART Robert Alan

Journal Article

Co-pyrolysis of sludge and kaolin/zeolite in a rotary kiln: Analysis of stabilizing heavy metals

Journal Article

Proposed EU legislation to force changes in sewage sludge disposal: A case study

Vojtěch Turek, Bohuslav Kilkovský, Zdeněk Jegla, Petr Stehlík

Journal Article

Safe Disposal and Resource Recovery of Urban Sewage Sludge in China

Dai Xiaohu , Hou Li’an , Zhang Linwei , Zhang lin , Yang Donghai

Journal Article

Challenge of biodiesel production from sewage sludge catalyzed by KOH, KOH/activated carbon, and KOH/

Xuemin Wu,Fenfen Zhu,Juanjuan Qi,Luyao Zhao,Fawei Yan,Chenghui Li

Journal Article

Speciation evolutions of target metals (Cd, Pb) influenced by chlorine and sulfur during sewage sludge

Jingde LUAN,Rundong LI,Zhihui ZHANG,Yanlong LI,Yun ZHAO

Journal Article

Possible solutions for sludge dewatering in China

Wei WANG, Yuxiang LUO, Wei QIAO,

Journal Article