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Study on HCl removal for medical waste pyrolysis and combustion using a TG-FTIR analyzer

Hongmei ZHU,Weiying CHEN,Xuguang JIANG,Jianhua YAN,Yong CHI

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 2,   Pages 230-239 doi: 10.1007/s11783-014-0651-3

Abstract: Under both pyrolysis and combustion condition, HCl removal efficiency for medical waste with Ca-basedAdditionally, the difference of HCl removal efficiency for PVC and medical waste was compared.same additive, HCl concentration decreased with the increased of additives amount, that is to say, HCl removalFourth, when Ca(OH) was used as additive, HCl removal efficiency for medical waste combustion was aFifth, under the same Ca/Cl molar ratio, HCl removal efficiency for PVC was higher than that for medical

Keywords： pollution     medical waste     pyrolysis     combustion     TG-FTIR     HCl removal    

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Removal of non-point pollutants from bridge runoff by a hydrocyclone using natural water head

Jianghua YU, Yeonseok KIM, Youngchul KIM

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 6,   Pages 886-895 doi: 10.1007/s11783-012-0449-0

Abstract: A hydrocyclone using natural water head provided by bridge was operated for the treatment of stormwater runoff. The hydrocyclone was automatically controlled using electronic valve which is connected to a pressure meter. Normally the hydrocyclone was open during dry days, but it was closed after the capture of the first flush. The results indicated that the average pressure and the flow rate were directly affected by the rainfall intensity. The pressure head was more than 2 m when the rainfall intensity was above 5 mm·h . The percentage volume of underflow with high solids concentration decreased as the pressure and flow rate increased, but the percentage volume of overflow with almost no solids showed the opposite behavior. The total suspended solids (TSS) concentration ratio between the overflow and inflow (TSS /TSS ) decreased as a function of the operational pressure, while the corresponding ratio of underflow to inflow (TSS /TSS ) increased. The TSS separation efficiency was evaluated based on a mass balance. It ranged from 25% to 99% with the pressure head ranging from 1.4 to 9.7 m, and it was proportional to pressure and flow rate. Normally, the efficiency was more than 50% when the pressure was higher than 2 m. The analysis of the water budget indicated that around 13% of the total runoff was captured by the hydrocyclone as a first flush, and this runoff was separated as underflow and overflow with the respective percentage volumes of 29% and 71%. The pollutants budget was also examined based on a mass balance. The results showed that the percentage of TSS, chemical oxygen demand (COD), total nitrogen (TN), and total phosphorus (TP) in underflow were 73%, 59%, 7.6%, and 49%, respectively. Thus, it can be concluded that the hydrocyclone worked well. It separated the first flush as solids-concentrated underflow and solids-absent overflow, and effectively reduced the runoff volume needing further treatment. Finally, four types of optional post treatment design are presented and compared.

Keywords： first flush     hydrocyclone     non-point pollution     removal efficiency     stormwater runoff    

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Responses of microbial interactions to elevated salinity in activated sludge microbial community

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 5, doi: 10.1007/s11783-023-1660-x

Abstract:

● Salinity led to the elevation of NAR over 99.72%.

Keywords： Elevated salinity     Activated sludge system     Pollution removal     Microbial interactions     Competitive relationship    

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Performance evaluation on the pollution control against wet weather overflow based on on-site coagulation

Zongqun Chen, Wei Jin, Hailong Yin, Mengqi Han, Zuxin Xu

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1400-z

Abstract: . • Coagulant and flocculant dose were optimized based on pollutant removal performance. • Settling timeof 5 min is enough in a proper transmission distance. • Fast removal of particulate pollutants couldThe pollution caused by wet weather overflow in urban drainage systems is a main factor causing blackeningIn addition, the relation of wet weather overflow rate and concentration of pollution load on the on-sitecoagulation/flocculation process was investigated, which indicated that high removal of pollutant was

Keywords： Wet weather overflow     On-site coagulation/flocculation     Fast removal of particulate pollutants    

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Field test of best management practice pollutant removal efficiencies in Shenzhen, China

Ru ZHANG , Wenbin ZHOU , Richard FIELD , Anthony TAFURI , Shaw L. YU , Keli JIN ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3,   Pages 354-363 doi: 10.1007/s11783-009-0033-4

Abstract: Yan Ma, Xiaoming Du, Yi Shi, Deyi Hou, Binbin Dong, Zhu Xu, Huiying Li, Yunfeng Xie, Jidun Fang, Zheng Li, Yunzhe Cao, Qingbao Gu, Fasheng Li. [J]. Front. Environ. Sci. Eng., 2016, 10(6): 6-.Meng Gao,Gregory R. Carmichael,Yuesi Wang,Dongsheng Ji,Zirui Liu,Zifa Wang. [J]. Front. Environ. Sci. Eng., 2016, 10(5): 16-.Wenyan Wang, Wei Ouyang, Fanghua Hao, Yun Luan, Bo Hu. [J]. Front. Environ. Sci. Eng., 2016, 10(4): 17-.Hallvard Ødegaard. [J]. Front. Environ. Sci. Eng., 2016, 10(4): 2-.Guoxia MA,Jinnan WANG,Fang YU,Yanshen ZHANG,Dong CAO. [J]. Front. Environ. Sci. Eng., 2016, 10(2): 288-298.Fei LI,Suocheng DONG,Fujia LI,Libiao YANG. [J]. Front. Environ. Sci. Eng., 2016, 10(2): 276-287.Chao ZENG,Dongjie NIU,Youcai ZHAO. [J]. Front. Environ. Sci. Eng., 2015, 9(6): 949-961.Yang PAN,Xiangru ZHANG,Jianping ZHAI. [J]. Front. Environ. Sci. Eng., 2015, 9(1): 121-130.Kang XIAO, Ying XU, Shuai LIANG, Ting LEI, Jianyu SUN, Xianghua WEN, Hongxun ZHANG, Chunsheng CHEN, Xia HUANG. [J]. Front. Environ. Sci. Eng., 2014, 8(6): 805-819.Shuxiao WANG,Lei ZHANG,Long WANG,Qingru WU,Fengyang WANG,Jiming HAO. [J]. Front.Environ.Sci.Eng., 2014, 8(5): 631-649.Wenqian CAI,Wei MENG,Lusan LIU,Kuixuan LIN. [J]. Front.Environ.Sci.Eng., 2014, 8(5): 737-746.Lili QU,Tianzhu ZHANG,Wei LU. [J]. Front.Environ.Sci.Eng., 2014, 8(4): 570-579.Jiaxing GUO, Huan LIU, Yang JIANG, Dongquan HE, Qidong WANG, Fei MENG, Kebin HE. [J]. Front Envir Sci Eng, 2014, 8(1): 79-88.Wei WEI, Shuxiao WANG, Jiming HAO, Shuiyuan CHENG. [J]. Front Envir Sci Eng, 2014, 8(1): 27-41.Haifeng JIA, Hairong YAO, Shaw L. YU. [J]. Front Envir Sci Eng, 2013, 7(5): 709-720.

Keywords： nonpoint source (NPS) pollution control     best management practices (BMPs)     Xikeng Reservoir     Shenzhen     China    

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Pollution characteristics of particulate matters emitted from outdoor barbecue cooking in urban Jinan

Yifei Song, Lei Sun, Xinfeng Wang, Yating Zhang, Hui Wang, Rui Li, Likun Xue, Jianmin Chen, Wenxing Wang

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 2, doi: 10.1007/s11783-018-1024-0

Abstract: To understand the pollution characteristics of particulate matter emitted from outdoor barbecue cookingThe removal efficiency of a range hood for the cooking particles was tested in an indoor kitchen.The range hood effectively cleaned the particulate matter pollution caused by cooking with a removalThe removal efficiency of a range hood for the cooking particles was tested in an indoor kitchen.The range hood effectively cleaned the particulate matter pollution caused by cooking with a removal

Keywords： Barbecue smoke     Particulate matters     Pollution characteristics     Emissions     Removal    

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Health impacts of air pollution in China

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1367-1

Abstract:

•Impacts of air pollution on various body systems health in China were

Keywords： Health impacts     Air pollution     China     Advances    

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Environmental pollution and DNA methylation: carcinogenesis, clinical significance, and practical applications

Yi Cao

Frontiers of Medicine 2015, Volume 9, Issue 3,   Pages 261-274 doi: 10.1007/s11684-015-0406-y

Abstract:

Environmental pollution is one of the main causes of human cancer.Epigenetic changes caused by environmental pollution play important roles in the development and progressionof environmental pollution-related cancers.Furthermore, prospective applications of DNA methylation to environmental pollution detection and cancer

Keywords： environmental pollution     DNA methylation     cancer     biomarker     diagnosis     therapy     prevention    

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Investigating the impact of air pollution on AMI and COPD hospital admissions in the coastal city of

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 5, doi: 10.1007/s11783-021-1490-7

Abstract:

• The impact of air pollution on AMI/COPD hospital admissions were examined

Keywords： AMI     COPD     Air pollution exposure     GAM    

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Experimental study of pollution effect on the behavior of high voltage insulators under alternative current

Hani BENGUESMIA, Nassima M’ZIOU, Ahmed BOUBAKEUR

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 213-221 doi: 10.1007/s11708-017-0479-1

Abstract: In this paper, the impact of the conductivity and the distribution of pollution on the behavior of theFor this comparative study, different solutions are adopted to s`imulate the pollution (containing NaCl+ distilled water) that has different conductivities for a discontinuous distribution of the pollutionFurthermore, the influence of the pollution on the flashover voltage and the leakage current is studied

Keywords： 1512L insulator     circular model     artificial pollution     flashover     leakage current     discontinuous pollution    

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A critical review of the emerging research on the detection and assessment of microplastics pollution

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 10, doi: 10.1007/s11783-022-1563-2

Abstract:

● Coastal and marine regions are the most studied for microplastic pollution

Keywords： Plastic pollution     Waste management     Global south     Sustainability     Marine pollution    

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System engineering for water pollution control at the watershed level in China

Wei MENG,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 4,   Pages 443-452 doi: 10.1007/s11783-009-0037-0

Abstract: The present water pollution situation at watershed level in China has been systematically analyzed.The causes of water pollution are attributed to the extensive economic developmental pattern, poor wastewatertreatment, and a lack of nonpoint pollution control.From 2006 to 2020, water pollution control and governance will be a national key specific project ofThe strategies of this project include establishing a water pollution control system at watershed level

Keywords： water pollution control     watershed     system engineering     sustainability     integrated watershed management     key    

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ENHANCING RAINFALL-RUNOFF POLLUTION MODELING BY INCORPORATION OF NEGLECTED PHYSICAL PROCESSES

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 4,   Pages 553-565 doi: 10.15302/J-FASE-2023519

Abstract:

The growing need to mitigate rainfall-runoff pollution, especially first flush, calls for accuratequantification of pollution load and the refined understanding of its spatial-temporal variation.The wash-off model has advantages in modeling rainfall-runoff pollution due to the inclusion of two keycharacteristics dominated by land pollution and rainfall pollution, respectively.The enhanced model can provide deeper insights into non-point pollution mitigation.

Keywords： Erhai Lake     field experiment     non-point source     pollution load     rainfall runoff     wash-off model    

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IMPROVING NITROGEN SAFETY IN CHINA: NITROGEN FLOWS, POLLUTION AND CONTROL

Frontiers of Agricultural Science and Engineering 2022, Volume 9, Issue 3,   Pages 465-474 doi: 10.15302/J-FASE-2022454

Abstract:

● It is necessary to address the N flows and their impacts on environment in China for sustainable N management.

Keywords： barriers     future management     ammonia emissions     nitrogen input     water N pollution    

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Bacteriophages in water pollution control: Advantages and limitations

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-020-1378-y

Abstract:

•Phages can be better indicators of enteric viruses than fecal indicator bacteria.

Keywords： Phage     Water pollution monitoring     Harmful bacteria biocontrol     Horizontal gene transfer     Bacterial resistance    

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Title Author Date Type Operation

Study on HCl removal for medical waste pyrolysis and combustion using a TG-FTIR analyzer

Hongmei ZHU,Weiying CHEN,Xuguang JIANG,Jianhua YAN,Yong CHI

Journal Article

Removal of non-point pollutants from bridge runoff by a hydrocyclone using natural water head

Jianghua YU, Yeonseok KIM, Youngchul KIM

Journal Article

Responses of microbial interactions to elevated salinity in activated sludge microbial community

Journal Article

Performance evaluation on the pollution control against wet weather overflow based on on-site coagulation

Zongqun Chen, Wei Jin, Hailong Yin, Mengqi Han, Zuxin Xu

Journal Article

Field test of best management practice pollutant removal efficiencies in Shenzhen, China

Ru ZHANG , Wenbin ZHOU , Richard FIELD , Anthony TAFURI , Shaw L. YU , Keli JIN ,

Journal Article

Pollution characteristics of particulate matters emitted from outdoor barbecue cooking in urban Jinan

Yifei Song, Lei Sun, Xinfeng Wang, Yating Zhang, Hui Wang, Rui Li, Likun Xue, Jianmin Chen, Wenxing Wang

Journal Article

Health impacts of air pollution in China

Journal Article

Environmental pollution and DNA methylation: carcinogenesis, clinical significance, and practical applications

Yi Cao

Journal Article

Investigating the impact of air pollution on AMI and COPD hospital admissions in the coastal city of

Journal Article

Experimental study of pollution effect on the behavior of high voltage insulators under alternative current

Hani BENGUESMIA, Nassima M’ZIOU, Ahmed BOUBAKEUR

Journal Article

A critical review of the emerging research on the detection and assessment of microplastics pollution

Journal Article

System engineering for water pollution control at the watershed level in China

Wei MENG,

Journal Article

ENHANCING RAINFALL-RUNOFF POLLUTION MODELING BY INCORPORATION OF NEGLECTED PHYSICAL PROCESSES

Journal Article

IMPROVING NITROGEN SAFETY IN CHINA: NITROGEN FLOWS, POLLUTION AND CONTROL

Journal Article

Bacteriophages in water pollution control: Advantages and limitations

Journal Article