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Identification of sources, characteristics and photochemical transformations of dissolved organic matter

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-020-1340-z

Abstract:

• The source of DOM in surface water and sediment is inconsistent.

Keywords： Dissolved organic matter     Parallel factor analysis     Excitation-emission matrices     Photodegradation    

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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: The detailed experimental studies have been conducted for examining treatment capacities of the two differentThe results from the present study indicated significant influence of the photochemical properties ofthe target contaminants on the photochemical treatment characteristics for designing cost-effective

Keywords： sub>2/ultraviolet (UV) light     advanced oxidation     UV light irradiation     chlorinated contaminants     photochemicaltreatment characteristics    

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Distribution, characteristics and daily fluctuations of microplastics throughout wastewater treatment

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 1,   Pages 6-6 doi: 10.1007/s11783-021-1440-4

Abstract:

• MPs were analyzed throughout three WWTPs with mixed domestic–industrial influents.

Keywords： Microplastic     Wastewater treatment plant     Mixed domestic-industrial influent     Characteristic     Daily fluctuation    

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Surface modification of biomaterials by photochemical immobilization and photograft polymerization to

Yakai FENG, Haiyang ZHAO, Li ZHANG, Jintang GUO,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 3,   Pages 372-381 doi: 10.1007/s11705-010-0005-z

Abstract: progresses and strategies to improve the hemocompatibility of biomaterials by surface modification using photochemical

Keywords： biomimetic amphiphilic     amphiphilic phosphorylcholine     endothelial     functional     biomaterial    

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Techno-economic characteristics of wastewater treatment plants retrofitted from the conventional activated

Frontiers of Environmental Science & Engineering doi: 10.1007/s11783-021-1483-6

Abstract:

While a growing number of wastewater treatment plants (WWTPs) are being

Keywords： Membrane bioreactor (MBR)     Conventional activated sludge (CAS)     Cost-benefit analysis     Data envelopment analysis     Net profit    

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Research progress and prospects of complete ammonia oxidizing bacteria in wastewater treatment

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 9, doi: 10.1007/s11783-022-1555-2

Abstract:

• Comammox bacteria have unique physiological characteristics.

Keywords： Complete ammonia oxidizing (comammox) bacteria     Nitrogen cycle     Physiological characteristics     Wastewatertreatment    

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Evaluation of the k-nearest neighbor method for forecasting the influent characteristics of wastewatertreatment plant

Minsoo KIM,Yejin KIM,Hyosoo KIM,Wenhua PIAO,Changwon KIM

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 2,   Pages 299-310 doi: 10.1007/s11783-015-0825-7

Abstract: demand (COD), suspended solid (SS), total nitrogen (T-N) and total phosphorus (T-P) at a wastewater treatmentOverall, the k-NN method was verified to be useful for predicting WWTP influent characteristics.

Keywords： influent wastewater     prediction     data-driven model     k-nearest neighbor method (k-NN)    

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Photochemical indicators of ozone sensitivity: application in the Pearl River Delta, China

Lyumeng Ye,Xuemei Wang,Shaofeng Fan,Weihua Chen,Ming Chang,Shengzhen Zhou,Zhiyong Wu,Qi Fan

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 6, doi: 10.1007/s11783-016-0887-1

Abstract: The distribution of NO - and VOC-sensitive regimes in the PRD are identified. The effectiveness of six popular chemical indicators for discriminating O sensitivity regimes is evaluated. Threshold levels for HCHO/NO , H O /HNO , O /NO , O /NO , O /HNO were derived and verified. The indicators H O /HNO and H O /NO performed best and maintained relatively stable threshold levels. Surface O production has a highly nonlinear relationship with its precursors. The spatial and temporal heterogeneity of O -NO -VOC-sensitivity regimes complicates the control- decision making. In this paper, the indicator method was used to establish the relationship between O sensitivity and assessment indicators. Six popular ratios indicating ozone-precursor sensitivity, HCHO/NO , H O /HNO , O /NO , O /NO , O /HNO , and H O /NO , were evaluated based on the distribution of NO - and VOC-sensitive regimes. WRF-Chem was used to study a serious ozone episode in fall over the Pearl River Delta (PRD). It was found that the south-west of the PRD is characterized by a VOC-sensitive regime, while its north-east is NO -sensitive, with a sharp transition area between the two regimes. All indicators produced good representations of the elevated ozone hours in the episode on 6 November 2009, with H O /HNO being the best indicator. The threshold sensitivity levels for HCHO/NO , H O /HNO , O /NO , O /NO , O /HNO , and H O /NO were estimated to be 0.41, 0.55, 10.2, 14.0, 19.1, and 0.38, respectively. Threshold intervals for the indicators H O /HNO , O /NO , O /NO , O /HNO , and H O /NO were able to identify more than 95% of VOC- and NO -sensitive grids. The ozone episode on 16 November 16 2008 was used to independently verify the results, and it was found that only H O /HNO and H O /NO were able to differentiate the ozone sensitivity regime well. Hence, these two ratios are suggested as the most appropriate indicators for identifying fall ozone sensitivity in the PRD. Since the species used for indicators have seasonal variation, the utility of those indicators for other seasons should be investigated in the future work.

Keywords： Ozone     Pearl River Delta (PRD)     Sensitivity regime     Photochemical indicator     Threshold levels    

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Characteristic and correlation analysis of influent and energy consumption of wastewater treatment plants

Luxi Zou, Huaibo Li, Shuo Wang, Kaikai Zheng, Yan Wang, Guocheng Du, Ji Li

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 6, doi: 10.1007/s11783-019-1167-7

Abstract: The water quality and energy consumption of wastewater treatment plants (WWTPs) in Taihu Basin were evaluatedThe specific energy consumption of WWTPs with a daily treatment capacity of more than 5 × 104 m3 in Taihu

Keywords： Taihu Basin     Wastewater treatment plant     Influent characteristics     Energy consumption evaluation     Specific    

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Characteristics and removal mechanism of the precursors of N-chloro-2,2-dichloroacetamide in a drinkingwater treatment process at Taihu Lake

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-020-1338-6

Abstract:

• N-Cl-DCAM, an emerging N-DBP in drinking water was investigated.

Keywords： N-chloro-2     2-dichloroacetamide     Liquid chromatography with tandem mass spectrometry     Precursors     Removal efficiency     Ozonation integrated with biological activated carbon    

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Atmospheric heterogeneous reaction of chlorobenzene on mineral -FeO particulates: a chamber experiment study

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 11, doi: 10.1007/s11783-023-1734-9

Abstract:

● Photochemical conversion of chlorobenzene (CB) on α-Fe2

Keywords： Photochemical conversion     Chlorobenzene     α-Fe2O3     PCDD/Fs     Mineral particulate    

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Coronavirus disease 2019 (COVID-19): a clinical update

Min Zhou, Xinxin Zhang, Jieming Qu

Frontiers of Medicine 2020, Volume 14, Issue 2,   Pages 126-135 doi: 10.1007/s11684-020-0767-8

Abstract: Apart from supportive care, no specific treatment has been established for COVID-19.

Keywords： coronavirus disease 2019     epidemiology     pathology     radiology     clinical characteristics     treatment    

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Recent progress in hydrodynamic characteristics research and application of annular centrifugal extractors

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 854-873 doi: 10.1007/s11705-022-2156-0

Abstract: Hence, this paper reviews research progress regarding ACE in terms of hydrodynamic characteristics andcovering hydrometallurgy, nuclear fuel reprocessing, bio-extraction, catalytic reaction, and wastewater treatment

Keywords： annular centrifugal extractor     hydrodynamic characteristics     structure optimization     the latest application    

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Clinical characteristics and outcomes of biopsy-proven diabetic nephropathy

Li Zhuo, Nianrong Zhang, Guming Zou, Dapeng Chen, Wenge Li

Frontiers of Medicine 2017, Volume 11, Issue 3,   Pages 386-392 doi: 10.1007/s11684-017-0574-z

Abstract: In conclusion, the clinical characteristics of DN vary, and renal biopsy is necessary to determine renal

Keywords： diabetic nephropathy     clinical characteristics     renal biopsy     outcomes    

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Obesity in China: its characteristics, diagnostic criteria, and implications

Weiping Jia

Frontiers of Medicine 2015, Volume 9, Issue 2,   Pages 129-133 doi: 10.1007/s11684-015-0387-x

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Title Author Date Type Operation

Identification of sources, characteristics and photochemical transformations of dissolved organic matter

Journal Article

Decomposition of aqueous chlorinated contaminants by UV irradiation with H

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

Journal Article

Distribution, characteristics and daily fluctuations of microplastics throughout wastewater treatment

Journal Article

Surface modification of biomaterials by photochemical immobilization and photograft polymerization to

Yakai FENG, Haiyang ZHAO, Li ZHANG, Jintang GUO,

Journal Article

Techno-economic characteristics of wastewater treatment plants retrofitted from the conventional activated

Journal Article

Research progress and prospects of complete ammonia oxidizing bacteria in wastewater treatment

Journal Article

Evaluation of the k-nearest neighbor method for forecasting the influent characteristics of wastewatertreatment plant

Minsoo KIM,Yejin KIM,Hyosoo KIM,Wenhua PIAO,Changwon KIM

Journal Article

Photochemical indicators of ozone sensitivity: application in the Pearl River Delta, China

Lyumeng Ye,Xuemei Wang,Shaofeng Fan,Weihua Chen,Ming Chang,Shengzhen Zhou,Zhiyong Wu,Qi Fan

Journal Article

Characteristic and correlation analysis of influent and energy consumption of wastewater treatment plants

Luxi Zou, Huaibo Li, Shuo Wang, Kaikai Zheng, Yan Wang, Guocheng Du, Ji Li

Journal Article

Characteristics and removal mechanism of the precursors of N-chloro-2,2-dichloroacetamide in a drinkingwater treatment process at Taihu Lake

Journal Article

Atmospheric heterogeneous reaction of chlorobenzene on mineral -FeO particulates: a chamber experiment study

Journal Article

Coronavirus disease 2019 (COVID-19): a clinical update

Min Zhou, Xinxin Zhang, Jieming Qu

Journal Article

Recent progress in hydrodynamic characteristics research and application of annular centrifugal extractors

Journal Article

Clinical characteristics and outcomes of biopsy-proven diabetic nephropathy

Li Zhuo, Nianrong Zhang, Guming Zou, Dapeng Chen, Wenge Li

Journal Article

Obesity in China: its characteristics, diagnostic criteria, and implications

Weiping Jia

Journal Article