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photodegradation 6

Photodegradation 4

UV 4

irradiation 3

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advanced oxidation 2

17α-ethinylestradiol 1

2 1

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Escherichia coli 1

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Effects of humic acid fractions with different polarities on photodegradation of 2,4-D in aqueous environments

YU Chunyan, QUAN Xie, OU Xiaoxia, CHEN Shuo

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 3,   Pages 291-296 doi: 10.1007/s11783-008-0049-1

Abstract: UV-vis absorption and Fourier transform infrared spectroscopy (FTIR) analysis show that the fractionsThe influences of HAs and their fractions on the photolysis were investigated by the photodegradation

Keywords： polarity     photodegradation     different absorption     UV-vis absorption     FTIR    

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Photolysis and photooxidation of typical gaseous VOCs by UV Irradiation: Removal performance and mechanisms

In-Sun Kang, Jinying Xi, Hong-Ying Hu

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 3, doi: 10.1007/s11783-018-1032-0

Abstract: Photodegradation by ultraviolet irradiation (UV) is increasingly applied in volatile organic compoundhydrocarbon derivatives, at 150–200 ppm in air and nitrogen gas were treated by a laboratory-scale UVreactor with 185/254 nm irradiation to systematically investigate their removal and conversion by UVThe carbon balance of each VOC during UV irradiation was analyzed based on the VOC, CO and PM concentrationsAlthough the UV technique exhibited a high VOC removal efficiency, its drawbacks, specifically low mineralization

Keywords： VOCs     UV photodegradation     Particulate matters     Ozone    

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Effects of design parameters on performance and cost analysis of combined ultraviolet-biofilter systems treating gaseous chlorobenzene based on mathematical modeling

Can WANG, Jinying XI, Hongying HU, Insun KANG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 4,   Pages 588-594 doi: 10.1007/s11783-012-0433-8

Abstract: conceptual mathematical model was used to evaluate the design parameters of a combined ultraviolet (UVResults showed that the UV light source strength and the gas residence times in the UV system (UVRT)High ratio of UVRT to EBRT improved the removal efficiency, suggesting that the UV system has a greaterthe capital costs of the standalone biofilter system were much higher than those of the standalone UVHowever, the biofilter operating costs were lower than those of the UV system.

Keywords： volatile organic compounds     ultraviolet (UV) photodegradation     biofilter     modeling     cost analysis    

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Removal of virus aerosols by the combination of filtration and UV-C irradiation

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 3, doi: 10.1007/s11783-023-1627-y

Abstract:

● The removal of virus aerosols by filtration and UV-C irradiation

Keywords： Filtration system     UV-C irradiation     Virus aerosol     Public health     COVID-19    

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Effect of natural aquatic humic substances on the photodegradation of bisphenol A

ZHAN Manjun, YANG Xi, KONG Lingren, YANG Hongshen

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 3,   Pages 311-315 doi: 10.1007/s11783-007-0052-y

Abstract: The photodegradation rate of BPA was insensitive to the different initial BPA concentrations and was

Keywords： irradiation     photoproduct     deoxygenated     possible phototransformation     bisphenol    

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and bacteriophage MS2 disinfection by UV, ozone and the combined UV and ozone processes

Jingyun FANG,Huiling LIU,Chii SHANG,Minzhen ZENG,Mengling NI,Wei LIU

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 4,   Pages 547-552 doi: 10.1007/s11783-013-0620-2

Abstract: However, less is known about the disinfection performance of UV and ozone (UV/ozone) coexposure and sequentialUV-followed-by-ozone (UV-ozone) and ozone-followed-by-UV (ozone-UV) exposures.In this study, inactivation of and bacteriophage MS2 by UV, ozone, UV/ozone coexposure, and sequentialUV-ozone and ozone-UV exposures was investigated and compared.Little enhancement on inactivation was found after the sequential UV-ozone or ozone-UV exposures.

Keywords： bacteria inactivation     photoreactivation     water disinfection     UV     ozone    

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Enhanced formation of trihalomethane disinfection byproducts from halobenzoquinones under combined UV

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 6, doi: 10.1007/s11783-021-1510-7

Abstract:

• 2,6-DCBQ and TCBQ generated THMs differently in chlorine and UV/chlorine

Keywords： Halobenzoquinone     Trihalomethane     Chlorine disinfection     UV irradiation     Disinfection byproducts     CombinedUV/chlorine    

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Novel Ag-AgBr decorated composite membrane for dye rejection and photodegradation under visible light

Yixing Wang, Liheng Dai, Kai Qu, Lu Qin, Linzhou Zhuang, Hu Yang, Zhi Xu

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 4,   Pages 892-901 doi: 10.1007/s11705-020-2011-0

Abstract: Photocatalytic membranes have received increasing attention due to their excellent separation and photodegradation

Keywords： Ag-AgBr     dye rejection     photodegradation     visible light    

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Decomposition of aqueous chlorinated contaminants by UV irradiation with H

Eunsung KAN,Chang-Il KOH,Kyunghyuk LEE,Joonwun KANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 3,   Pages 429-435 doi: 10.1007/s11783-014-0677-6

Abstract: rates of carbon tetrachloride (CCl ) and 2,4-dichlorophenol (2,4-DCP) in water by the ultraviolet (UV) light irradiation alone and H O /UV were experimentally investigated.capacities of the two different ultraviolet light sources (low and medium pressure Hg arc) in H O /UVThe low or medium UV lamp alone resulted in a 60%–90% decomposition of 2,4-DCP while a slight additionthan the low pressure UV lamp alone.

Keywords： H2O2/ultraviolet (UV) light     advanced oxidation     UV light irradiation     chlorinated    

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Online recognition of drainage type based on UV-vis spectra and derivative neural network algorithm

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1430-6

Abstract:

• UV-vis absorption analyzer was applied in drainage type online recognition

Keywords： Drainage online recognition     UV-vis spectra     Derivative spectrum     Convolutional neural network    

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TiO@palygorskite composite for the efficient remediation of oil spills via a dispersion-photodegradation

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1365-3

Abstract:

• A novel and multi-functional clay-based oil spill remediation system was constructed.

Keywords： Palygorskite     TiO2     Pickering emulsion     Oil spill     Dispersion     Photodegradation    

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Factors influencing the photodegradation of

Bingbing XU, Zhonglin CHEN, Fei QI, Jimin SHEN, Fengchang WU

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 1,   Pages 91-97 doi: 10.1007/S11783-009-0013-8

Abstract: In order to provide basic data for practical application,photodegradation experiment of -nitrosodimethylamineNDMA at various initial concentrations selected in this study was almost completely photodegraded by UVDepending on the initial concentration of NDMA, NDMA photodegradation by UV obeyed the pseudo-first-orderDimethylamine, nitrite, and nitrate were detected as the photodegradation products of NDMA.O was found to be the reactive oxygen species present in the NDMA photodegradation process by UV, based

Keywords： italic>N-nitrosodimethylamine (NDMA)     ultraviolet irradiation     degradation kinetic     dimethylamine     photodegradation    

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Complexation of iron by salicylic acid and its effect on atrazine photodegradation in aqueous solution

Xiaoxia OU, Chong WANG, Fengjie ZHANG, Yan MA, He LIU, Xie QUAN,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 2,   Pages 157-163 doi: 10.1007/s11783-010-0018-3

Abstract: The photodegradation of atrazine and the photochemical formation of Fe(II) and HO in aqueous solutionstheir subsequent product, hydroxyl radical (OH), was much less, accounting for the low rate of atrazine photodegradationof Fe(III) with salicylic acid was analyzed using Fourier-transform infrared (FTIR) spectroscopy and UV-visible

Keywords： salicylic acid     iron     atrazine     photodegradation    

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Efficient photodegradation of phenol assisted by persulfate under visible light irradiation via a nitrogen-doped

Yan Cui, Zequan Zeng, Jianfeng Zheng, Zhanggen Huang, Jieyang Yang

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 5,   Pages 1125-1133 doi: 10.1007/s11705-020-2012-z

Abstract: nitrogen-doped titanium-carbon composite (N-TiO /AC) prepared by sol-gel methods was applied in the photodegradation

Keywords： N-TiO2/AC     visible light     photocatalysis     persulfate activation     phenol    

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Effects of water quality on the coagulation performances of humic acids irradiated with UV light

Wendong WANG,Qinghai FAN,Zixia QIAO,Qin YANG,Yabo WANG,Xiaochang WANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 1,   Pages 147-154 doi: 10.1007/s11783-014-0749-7

Abstract: including pH, turbidity, alkalinity, and hardness on the removal of humic acid were investigated in a UVOur results suggested that UV light radiation could effectively improve the removal rate of humic acidthe variations of the selected water quality parameters had little adverse effect on the function of UVAfter UV light radiation, the removal rate of the nitro-humic acid (NHA) increased from 20% to 60% inThe formation of positive charged sites after UV light radiation was considered to be the primary factor

Keywords： coagulation     drinking water     humic acid     UV light radiation     water quality    

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Title Author Date Type Operation

Effects of humic acid fractions with different polarities on photodegradation of 2,4-D in aqueous environments

YU Chunyan, QUAN Xie, OU Xiaoxia, CHEN Shuo

Journal Article

Photolysis and photooxidation of typical gaseous VOCs by UV Irradiation: Removal performance and mechanisms

In-Sun Kang, Jinying Xi, Hong-Ying Hu

Journal Article

Effects of design parameters on performance and cost analysis of combined ultraviolet-biofilter systems treating gaseous chlorobenzene based on mathematical modeling

Can WANG, Jinying XI, Hongying HU, Insun KANG

Journal Article

Removal of virus aerosols by the combination of filtration and UV-C irradiation

Journal Article

Effect of natural aquatic humic substances on the photodegradation of bisphenol A

ZHAN Manjun, YANG Xi, KONG Lingren, YANG Hongshen

Journal Article

and bacteriophage MS2 disinfection by UV, ozone and the combined UV and ozone processes

Jingyun FANG,Huiling LIU,Chii SHANG,Minzhen ZENG,Mengling NI,Wei LIU

Journal Article

Enhanced formation of trihalomethane disinfection byproducts from halobenzoquinones under combined UV

Journal Article

Novel Ag-AgBr decorated composite membrane for dye rejection and photodegradation under visible light

Yixing Wang, Liheng Dai, Kai Qu, Lu Qin, Linzhou Zhuang, Hu Yang, Zhi Xu

Journal Article

Decomposition of aqueous chlorinated contaminants by UV irradiation with H

Eunsung KAN,Chang-Il KOH,Kyunghyuk LEE,Joonwun KANG

Journal Article

Online recognition of drainage type based on UV-vis spectra and derivative neural network algorithm

Journal Article

TiO@palygorskite composite for the efficient remediation of oil spills via a dispersion-photodegradation

Journal Article

Factors influencing the photodegradation of

Bingbing XU, Zhonglin CHEN, Fei QI, Jimin SHEN, Fengchang WU

Journal Article

Complexation of iron by salicylic acid and its effect on atrazine photodegradation in aqueous solution

Xiaoxia OU, Chong WANG, Fengjie ZHANG, Yan MA, He LIU, Xie QUAN,

Journal Article

Efficient photodegradation of phenol assisted by persulfate under visible light irradiation via a nitrogen-doped

Yan Cui, Zequan Zeng, Jianfeng Zheng, Zhanggen Huang, Jieyang Yang

Journal Article

Effects of water quality on the coagulation performances of humic acids irradiated with UV light

Wendong WANG,Qinghai FAN,Zixia QIAO,Qin YANG,Yabo WANG,Xiaochang WANG

Journal Article