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Enhanced photocatalytic water splitting with surface defective SrTiO

Junying LIU, Zhidong WEI, Wenfeng SHANGGUAN

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 700-709 doi: 10.1007/s11708-021-0735-2

Abstract: Surface reconstructed SrTiO nanocrystals were synthesized by a thermal treatment process in presenceThe surface reconstruction of SrTiO nanocrystals is attributed to the introduction of surface oxygenabsorption and the charge transfer ability of SrTiO nanocrystals are simultaneously enhanced due to surfaceoxygen vacancies or Ti sites (such as Ti and Ti ), which are beneficial to photocatalytic water splitting

Keywords： SrTiO3     surface reconstruction     oxygen vacancies     photocatalytic water splitting    

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Relationships of nitrous oxide fluxes with water quality parameters in free water surface constructed

Juan WU, Jian ZHANG, Wenlin JIA, Huijun XIE, Bo ZHANG

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 2,   Pages 241-247 doi: 10.1007/s11783-009-0023-6

Abstract: concentration in the influent on nitrous oxide (N O) emissions, together with the relationships between N O and waterquality parameters in free water surface constructed wetlands, were investigated with laboratory-scaleThe relationships between N O and the chemical and physical water quality variables were studied by usingThe multiple linear regression model against principal components indicated that different water parameters

Keywords： free water surface constructed wetland     nitrous oxide emission     water quality parameter     principal component    

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Recent advances in pharmaceuticals and personal care products in the surface water and sediments in China

Wentao Zhao, Ying Guo, Shuguang Lu, Pingping Yan, Qian Sui

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 6, doi: 10.1007/s11783-016-0868-4

Abstract: Recent publications on PPCPs in surface water environment in China were reviewed.Antibiotics received more attention than other PPCPs in surface water environment.Sulfamethoxazole showed the most significant environmental risk in surface water.Higher risks were posed by PPCPs in sediments than in surface water.This review compiles the most recent literature related to the studies of PPCPs in the surface water

Keywords： Surface water     Sediment     Antibiotics     Geographical distribution     Risk assessment    

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Improved nitrogen removal in dual-contaminated surface water by photocatalysis

Yongming ZHANG, Rong YAN, Zhen ZOU, Jiewei WANG, Bruce E. RITTMANN

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 3,   Pages 428-436 doi: 10.1007/s11783-012-0401-3

Abstract: Batch denitrification tests in a biofilm reactor demonstrated that dual-contaminated river water wasdenitrification rate was increased significantly by adding glucose or by making the organic matters of the river waterPhotocatalysis for 15 min increased the Chemical Oxygen Demand (COD) of the river water from 53 to 84This phenomenon was verified by testing photocatalysis of pyridine added to the river water.

Keywords： dual contamination     eutrophication     photocatalysis     remediation     surface water    

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Utilization threshold of surface water and groundwater based on the system optimization of crop planting

Qiang FU,Jiahong LI,Tianxiao LI,Dong LIU,Song CUI

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 3,   Pages 231-240 doi: 10.15302/J-FASE-2016101

Abstract: of the interval number, is used to calculate the groundwater exploitation and the use efficiency of surfacewater.The method considers the minimum cost of water as the objective of the uncertainty model for surfaceFinally, by calculating harmonious entropy, the optimal exploitation utilization interval of surfacematching of the planting structure under the economic system is suitable when the mining ratio of the surface

Keywords： economic-social-ecological     uncertainty     harmonious entropy     surface water and groundwater     utilization threshold    

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Perfluorocarboxylic acids (PFCAs) and perfluoroalkyl sulfonates (PFASs) in surface and tap water around

Yong QIU, He JING, Hanchang SHI,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 3,   Pages 301-310 doi: 10.1007/s11783-010-0236-8

Abstract: In this paper, six PFCAs and two PFASs were quantified in surface and tap water samples from 12 sitesOccurrences of PFCs in the tap water in Lake Taihu area indicated their exposure to the local people.no acute or immediate risks from PFCs to local human health, but chronic risks from PFOA in the tap water

Keywords： surface and tap water     perfluorocarboxylic acids (PFCAs)     perfluoroalkyl sulfonates (PFASs)     Lake Taihu    

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Optimization and modeling of coagulation-flocculation to remove algae and organic matter from surfacewater by response surface methodology

Ziming Zhao, Wenjun Sun, Madhumita B. Ray, Ajay K Ray, Tianyin Huang, Jiabin Chen

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 5, doi: 10.1007/s11783-019-1159-7

Abstract: Optimal coagulation conditions were studied by response surface methodology.Seasonal algal blooms of Lake Yangcheng highlight the necessity to develop an effective and optimal waterat 254 nm (UV254) was investigated systematically by central composite design (CCD) using response surfaceAnalysis of variance (ANOVA) was performed to test the significance of the response surface models.The results proposed a valuable reference for the treatment of algae-laden surface water in practical

Keywords： Algae     Coagulation-flocculation     Response surface methodology     Artificial neural networks    

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Simultaneous analysis of five taste and odor compounds in surface water using solid-phase extraction

Wenfeng SUN, Ruibao JIA, Baoyu GAO

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 1,   Pages 66-74 doi: 10.1007/s11783-010-0257-3

Abstract: chromatography-mass spectrometry (GC-MS) was developed to simultaneously analyze five taste and odor compounds in surfacewater, i.e., 2-methylisoborneol (2-MIB), 2,4,6-trichloroanisole (TCA), 2-isopropyl-3-methoxy pyrazineAdditionally, concentrations of these taste and odor compounds in Jinan’s surface and drinking waterand the results showed that GSM and 2-MIB were the dominant taste and odor compounds in Jinan’s raw water

Keywords： solid-phase extraction (SPE)     gas chromatography-mass spectrometry (GC-MS)     taste and odor compounds     surfacewater     micropollutant    

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Performance and emission characteristics of a diesel engine operating on different water in diesel emulsionfuels: optimization using response surface methodology (RSM)

Seyed Saeed HOSEINI, Mohammad Amin SOBATI

Frontiers in Energy 2019, Volume 13, Issue 4,   Pages 636-657 doi: 10.1007/s11708-019-0646-7

Abstract: The nitrogen oxide (NO ) release of diesel engines can be reduced using water in diesel emulsion fuelIn the present paper, different formulations of water in diesel emulsion fuels were prepared by ultrasonicThe water droplet size in the emulsion, polydisperisty index, and the stability of prepared fuel wasThe effect of water content (in the range of 5%–10% by volume), surfactant content (in the range of 0.5%balance (HLB) (in the range of 5–8) was examined using Box-Behnken design (BBD) as a subset of response surface

Keywords： water in diesel emulsion fuel     hydrophilic-lipophilic balance (HLB)     response surface methodology (RSM)    

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Feasibility of bubble surface modification for natural organic matter removal from river water using

Yulong Shi, Jiaxuan Yang, Jun Ma, Congwei Luo

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 6, doi: 10.1007/s11783-017-0954-2

Abstract: A novel, functionalized bubble surface can be obtained in dissolved air flotation (DAF) by dosing chemicalsIn this study, different cationic chemicals were used as bubble surface modifiers, and their effectson natural organic matter (NOM) removal from river water were investigated.Likewise, hydrophilic organic compounds gave high dihaloacetic acid yields in raw water.An enhanced reduction of haloacetic acid precursors was obtained with recycle water at pH values of 5.5

Keywords： Bubble surface modification     Chitosan     Disinfection by-product     Dissolved air flotation     Organic fraction    

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CRITICAL PROCESSES AND MAJOR FACTORS THAT DRIVE NITROGEN TRANSPORT FROM FARMLAND TO SURFACE WATER BODIES

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 4,   Pages 541-552 doi: 10.15302/J-FASE-2023518

Abstract:

Agricultural non-point source pollution is increasingly an important issue affecting surface waterwater bodies.The critical processes of farmland nitrogen entering surface water bodies involve the processes of nitrogenwater bodies.water bodies.

Keywords： nitrogen     loss from soil     transformation     farm field scale     watershed scale    

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Total phosphorus concentrations in surface water of typical agro- and forest ecosystems in China, 2004

Juan XIE,Xinyu ZHANG,Zhiwei XU,Guofu YUAN,Xinzhai TANG,Xiaomin SUN,D.J. BALLANTINE

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 4,   Pages 561-569 doi: 10.1007/s11783-013-0601-5

Abstract: The concentrations of total phosphorus (TP) from 83 surface water sampling sites in 29 of the Chinesewater.water.water, however, surface water at some agro-ecosystem sampling sites was frequently polluted by TP.Elevated concentrations were mainly found in still surface water at the Changshu, Fukang, Linze and Naiman

Keywords： Chinese Ecosystem Research Network (CERN)     total phosphorus (TP)     surface water     ecosystem type     spatial    

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Biodegradable, superhydrophobic walnut wood membrane for the separation of oil/water mixtures

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 9,   Pages 1377-1386 doi: 10.1007/s11705-022-2157-z

Abstract: The preparation of environmentally friendly oil/water separation materials remains a great challenge.In this paper, a degradable fluorine-free superhydrophobic film (max. water contact angle of approximatelyIn addition, after cross-laminating the two samples, the films had the ability to separate oil and water

Keywords： wood nanotechnology     superhydrophobic     biodegradable     surface modification     oil/water separation    

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Experimental study of the effects of structured surface geometry on water spray cooling performance in

Minghou LIU, Yaqing WANG, Dong LIU, Kan XU, Yiliang CHEN

Frontiers in Energy 2011, Volume 5, Issue 1,   Pages 75-82 doi: 10.1007/s11708-010-0014-0

Abstract: Experiments were conducted to study the effects of enhanced surfaces on heat transfer performance during waterThe surface enhancement is straight fin.The structures were machined on the top surface of heated copper blocks with a cross-sectional area ofis found that the heat transfer is obviously enhanced for straight fin surfaces relative to the flat surfaceChanged film thickness and the form of water/surface interaction due to an enhanced surface structure

Keywords： spray cooling     finned surface     heat transfer    

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Analysis and assessment of heavy metal contamination in surface water and sediments: a case study from

Zhaoming WANG,Ranhao SUN,Haiping ZHANG,Liding CHEN

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 2,   Pages 240-249 doi: 10.1007/s11783-014-0646-0

Abstract: Concentrations of the heavy metals Cu, Ni, Pb, Zn, Cd, and Cr were examined in surface water and sedimentWith a decline in Cu and Ni concentration found in surface water at downstream stations.This finding suggests that water currents are a major explanatory factor in heavy metal contaminationmetal contamination in local areas, although there was an obvious decrease in concentrations in the waterGood correlations among Pb/Ni, Pb/Cd, Cu/Pb, and Cu/Cd in the water and Cr/Ni in the sediment were observed

Keywords： heavy metal     water     sediment     geo-accumulation index     Luan River    

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Title Author Date Type Operation

Enhanced photocatalytic water splitting with surface defective SrTiO

Junying LIU, Zhidong WEI, Wenfeng SHANGGUAN

Journal Article

Relationships of nitrous oxide fluxes with water quality parameters in free water surface constructed

Juan WU, Jian ZHANG, Wenlin JIA, Huijun XIE, Bo ZHANG

Journal Article

Recent advances in pharmaceuticals and personal care products in the surface water and sediments in China

Wentao Zhao, Ying Guo, Shuguang Lu, Pingping Yan, Qian Sui

Journal Article

Improved nitrogen removal in dual-contaminated surface water by photocatalysis

Yongming ZHANG, Rong YAN, Zhen ZOU, Jiewei WANG, Bruce E. RITTMANN

Journal Article

Utilization threshold of surface water and groundwater based on the system optimization of crop planting

Qiang FU,Jiahong LI,Tianxiao LI,Dong LIU,Song CUI

Journal Article

Perfluorocarboxylic acids (PFCAs) and perfluoroalkyl sulfonates (PFASs) in surface and tap water around

Yong QIU, He JING, Hanchang SHI,

Journal Article

Optimization and modeling of coagulation-flocculation to remove algae and organic matter from surfacewater by response surface methodology

Ziming Zhao, Wenjun Sun, Madhumita B. Ray, Ajay K Ray, Tianyin Huang, Jiabin Chen

Journal Article

Simultaneous analysis of five taste and odor compounds in surface water using solid-phase extraction

Wenfeng SUN, Ruibao JIA, Baoyu GAO

Journal Article

Performance and emission characteristics of a diesel engine operating on different water in diesel emulsionfuels: optimization using response surface methodology (RSM)

Seyed Saeed HOSEINI, Mohammad Amin SOBATI

Journal Article

Feasibility of bubble surface modification for natural organic matter removal from river water using

Yulong Shi, Jiaxuan Yang, Jun Ma, Congwei Luo

Journal Article

CRITICAL PROCESSES AND MAJOR FACTORS THAT DRIVE NITROGEN TRANSPORT FROM FARMLAND TO SURFACE WATER BODIES

Journal Article

Total phosphorus concentrations in surface water of typical agro- and forest ecosystems in China, 2004

Juan XIE,Xinyu ZHANG,Zhiwei XU,Guofu YUAN,Xinzhai TANG,Xiaomin SUN,D.J. BALLANTINE

Journal Article

Biodegradable, superhydrophobic walnut wood membrane for the separation of oil/water mixtures

Journal Article

Experimental study of the effects of structured surface geometry on water spray cooling performance in

Minghou LIU, Yaqing WANG, Dong LIU, Kan XU, Yiliang CHEN

Journal Article

Analysis and assessment of heavy metal contamination in surface water and sediments: a case study from

Zhaoming WANG,Ranhao SUN,Haiping ZHANG,Liding CHEN

Journal Article