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Experiment and optimal design of a collection device for a residual plastic film baler

Qi NIU,Xuegeng CHEN,Chao JI,Jie WU

Frontiers of Agricultural Science and Engineering 2015, Volume 2, Issue 4,   Pages 347-354 doi: 10.15302/J-FASE-2015077

Abstract: It is imperative to carry out research on residual plastic film collection technology to solve the seriousThe residual plastic film baler was designed as a package for film strip collection, cleaning and balingThe collection device is a core component of the baler.The results show that the factors affecting the collection rate of residual film and the impurity ofFor the collection rate, the importance of the three factors are in the order, .

Keywords： residual film     collection device     collection rate of residual film     impurity of film package     optimization    

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Evaluating the Methods for Assessing Implementation Effects of River Chief System in China

Yin Hailong, Ge Jia’ning, Xu Zuxin, Xu Jin

Strategic Study of CAE 2022, Volume 24, Issue 5,   Pages 169-176 doi: 10.15302/J-SSCAE-2022.05.020

Abstract:

Establishing a river chief system is stipulated in the newly amended Law of the People’s Republic of China on Prevention and Control of Water Pollution, which clarifies the liability of party or administrative heads at various levels for water environment rehabilitation in their own administrative regions. In this article, we analyze the implementation effects of the river chief in China, current assessment methods, and their deficiencies, and propose two quantitative assessing methods: (1) comprehensive water quality assessment for the cross sections of rivers and lakes and (2) assessment using the pollutant load intercepting rate of sewer networks, aiming to improve the scientific rationality for effect assessment of the river chief system. With Suzhou Creek rehabilitation in Shanghai as an example, application of the comprehensive water quality assessment method was introduced. By analyzing the pollutant load intercepting rate in various provinces (autonomous regions or municipalities) in China, we find that on average 34% wastewater is still discharged into water courses in an untreated state, leading to repeated occurrence of water quality deterioration. Introducing the comprehensive water quality assessment and the pollutant load intercepting rate into the river chief assessment will effectively push the government at all levels to concentrate their human, material, and financial resources onto urban drainage network correction and the interception of pollution sources discharged into watercourses.

Keywords： river chief system     comprehensive water quality     water environmental quality     pollution load     sewagecollection     water pollution prevention and control    

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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 sewage

Keywords： CFD     model     sewage sludge     gasification     syngas    

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Pollution of NPEOs in four municipal sewage treatment plants in the north of China

HOU Shaogang, SUN Hongwen

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 2,   Pages 196-201 doi: 10.1007/s11783-007-0034-0

Abstract: and NPEO represents the monomer) and its metabolites in the influent and effluent of four municipal sewagechemicals in the sludge of two STPs were also determined, and the transfer and fate of NPEOs in the sewageNPEOs were degraded in the sewage treatment process with the removal efficiency in the range of 23.38%From this point of view, the process of sewage treatment does not reduce but elevate the risk of NPEOs
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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>

Composting can reduce the environmental risk of TCS and TCC in sewage

Keywords： Sewage sludge     Compost     Triclosan     Triclocarban     Ventilation     Risk assessment    

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Characterization of value-added chemicals derived from the thermal hydrolysis and wet oxidation of sewage

Milan Malhotra, Anurag Garg

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 1, doi: 10.1007/s11783-020-1305-2

Abstract: Abstract • Hydrothermal treatment can greatly improve resource recovery from sewage sludge. • tCOD removalevaluated the effect of hydrothermal pretreatments, i.e., thermal hydrolysis (TH) and wet oxidation (WO) on sewage

Keywords： Hydrothermal pretreatment     Reaction kinetics     Reaction pathway     Sewage sludge     Thermal hydrolysis     Wet oxidation    

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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 concentration

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

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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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Research on combustion characteristics of bio-oil from sewage sludge

Rui LI, Baosheng JIN, Xiangru JIA, Zhaoping ZHONG, Gang XIAO, Xufeng FU

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 2,   Pages 161-166 doi: 10.1007/s11705-009-0057-0

Abstract: Combustion characteristics of bio-oil from sewage sludge were investigated using thermogravimetry (TG

Keywords： bio-oil from sewage sludge     fast pyrolysis     combustion characteristics     TG-FT-IR     kinetic    

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Occurrence of estrogenic endocrine disrupting chemicals concern in sewage plant effluent

Yan SUN, Huang HUANG, Ying SUN, Chao WANG, Xiaolei SHI, Hongying HU, Takashi KAMEYA, Koichi FUJIE

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 1,   Pages 18-26 doi: 10.1007/s11783-013-0573-5

Abstract: of the concentrations of typical estrogenic endocrine disrupting chemicals (EDCs) in the effluent of sewage(dibutyl phthalate (DBP) and dibutyl phthalate (2-ethylhexyl) phthalate (DEHP)) in the effluents of sewagein various ten countries showed that steroids estrogens, phenolic compounds and phthalate esters in sewage

Keywords： estrogenic endocrine disrupting chemicals     concentration distribution     sewage plant    

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Distribution of antibiotic resistance genes and their association with bacteria and viruses in decentralized sewage

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 3, doi: 10.1007/s11783-021-1469-4

Abstract:

• Distribution of ARGs in decentralized sewage facilities were investigated

Keywords： Decentralized sewage treatment facilities     Antibiotic resistance genes     Virus     Metagenomics     Network    

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Occurrence and removal of selected polycyclic musks in two sewage treatment plants in Xi’an, China

Yongxiang REN, Kai WEI, Hua LIU, Guoqiang SUI, Junping WANG, Yanjun SUN, Xiaohui ZHENG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 2,   Pages 166-172 doi: 10.1007/s11783-012-0471-2

Abstract: musks, galaxolide (HHCB) and tonalide (AHTN) were investigated in three different processes of two sewageThere was no significant change of HHCB/AHTN ratios along the treatment flow, indicating that each sewage

Keywords： polycyclic musk     sewage     tonalide (AHTN)     galaxolide (HHCB)     removal efficiency     adsorption    

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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 inpaper, the release and reaction between monomers of polycyclic aromatic hydrocarbons (PAHs) in the sewageOver 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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Occurrence and behavior of pharmaceuticals in sewage treatment plants in eastern China

Juan DU,Yu FAN,Xin QIAN

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 4,   Pages 725-730 doi: 10.1007/s11783-014-0661-1

Abstract: roxithromycin, sulfamethoxazole, ibuprofen, diclofenac and carbamazepine) were determined in three sewageThe efficiency comparison of the three sewage treatment processes showed that the STP which employed

Keywords： pharmaceutical     anaerobic/anoxic/oxic     oxidation ditch     anoxic/oxic     removal efficiency    

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Optimal Design of Aperture Illuminations for Microwave Power Transmission with Annular Collection Areas Article

Xun Li, Baoyan Duan, Yiqun Zhang, Yongxin Guo

Engineering 2023, Volume 30, Issue 11,   Pages 63-74 doi: 10.1016/j.eng.2023.07.016

Abstract: optimal design method of antenna aperture illumination for microwave power transmission with an annular collectionThe objective is to maximize the ratio of the power radiated on the annular collection area to the total

Keywords： Microwave power transmission     Beam collection efficiency     Ring-shaped beam     Annular collection area    

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Title Author Date Type Operation

Experiment and optimal design of a collection device for a residual plastic film baler

Qi NIU,Xuegeng CHEN,Chao JI,Jie WU

Journal Article

Evaluating the Methods for Assessing Implementation Effects of River Chief System in China

Yin Hailong, Ge Jia’ning, Xu Zuxin, Xu Jin

Journal Article

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

Yiqun WANG, Lifeng YAN

Journal Article

Pollution of NPEOs in four municipal sewage treatment plants in the north of China

HOU Shaogang, SUN Hongwen

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

Characterization of value-added chemicals derived from the thermal hydrolysis and wet oxidation of sewage

Milan Malhotra, Anurag Garg

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

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

Journal Article

Research on combustion characteristics of bio-oil from sewage sludge

Rui LI, Baosheng JIN, Xiangru JIA, Zhaoping ZHONG, Gang XIAO, Xufeng FU

Journal Article

Occurrence of estrogenic endocrine disrupting chemicals concern in sewage plant effluent

Yan SUN, Huang HUANG, Ying SUN, Chao WANG, Xiaolei SHI, Hongying HU, Takashi KAMEYA, Koichi FUJIE

Journal Article

Distribution of antibiotic resistance genes and their association with bacteria and viruses in decentralized sewage

Journal Article

Occurrence and removal of selected polycyclic musks in two sewage treatment plants in Xi’an, China

Yongxiang REN, Kai WEI, Hua LIU, Guoqiang SUI, Junping WANG, Yanjun SUN, Xiaohui ZHENG

Journal Article

The transformation of PAHs in the sewage sludge incineration treatment

Hui ZHANG,Le XU,Yifei ZHANG,Mengchan JIANG

Journal Article

Occurrence and behavior of pharmaceuticals in sewage treatment plants in eastern China

Juan DU,Yu FAN,Xin QIAN

Journal Article

Optimal Design of Aperture Illuminations for Microwave Power Transmission with Annular Collection Areas

Xun Li, Baoyan Duan, Yiqun Zhang, Yongxin Guo

Journal Article