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Removal of organic matter and disinfection by-products precursors in a hybrid process combining ozonation

Xiaojiang FAN,Yi TAO,Dequan WEI,Xihui ZHANG,Ying LEI,Hiroshi NOGUCHI

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 1,   Pages 112-120 doi: 10.1007/s11783-014-0745-y

Abstract: ultrafiltration (UF) and biologic activated carbon (BAC) filtration was investigated for the removal of organicmatter and disinfection by-products (DBPs) precursors from micro-polluted surface water.Dissolved organic matter was divided into five fractions including hydrophobic acid (HoA), base (HoB)Hydrophobic organic matter was converted into hydrophilic organic matter during ozonation/UF, while themolecular weight organic matter ranged from 200–500 Da.

Keywords： ceramic ultrafiltration(UF)     ozonation     organic matter     hydrophilic     hydrophobic     disinfection by-products    

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Concentration levels of disinfection by-products in 14 swimming pools of China

Xiaolu ZHANG,Hongwei YANG,Xiaofeng WANG,Yu ZHAO,Xiaomao WANG,Yuefeng XIE

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 6,   Pages 995-1003 doi: 10.1007/s11783-015-0797-7

Abstract: a popular exercising and recreational activity in China but little is known about the disinfection by-productsbe moderately correlated with the free chlorine and total chlorine residuals but not with the total organic

Keywords： disinfection by-products (DBPs)     swimming pool     correlation     total organic carbon (TOC)     chlorine residual    

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Characteristics of typical dissolved black carbons and their influence on the formation of disinfection by-products

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 12, doi: 10.1007/s11783-022-1585-9

Abstract:

● The physicochemical and structural properties of DBC were characterized.

Keywords： Dissolved black carbon (DBC)     Chlorine     Chloramine     Disinfection by-products (DBPs)     Disinfection by-products    

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Formation of disinfection by-products during sodium hypochlorite cleaning of fouled membranes from membrane

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-021-1389-3

Abstract:

•HAAs was dominant among the DBPs of interest.

Keywords： MBR     Biofouling     EPS     Chemical cleaning     DBPs     CLSM    

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Catalytic oxidation of

Na Li, Xin Xing, Yonggang Sun, Jie Cheng, Gang Wang, Zhongshen Zhang, Zhengping Hao

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 6, doi: 10.1007/s11783-020-1284-3

Abstract: . • The organic by-products were generated in o-chlorophenol catalytic oxidation.The organic by-products generated during the o-chlorophenol catalytic oxidation over Co2MgAlO catalystoxide catalysts, which represent promising candidates for typical chlorinated and oxygenated volatile organic

Keywords： Hydrotalcite-derived mixed oxides     o-chlorophenol     Catalytic oxidation     Organic by-products    

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Bacteria inactivation by sulfate radical: progress and non-negligible disinfection by-products

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 3, doi: 10.1007/s11783-023-1629-9

Abstract:

● Status of inactivation of pathogenic microorganisms by SO4•− is reviewed.

Keywords： Sulfate radicals     Disinfection by-products     Inactivation mechanisms     Bacterial inactivation     Water disinfection    

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Study of drinking water chemical security and influencing factors on Micro-polluted water treatment by activated carbon process

Chen Wei,Wang Leilei,Lin Tao,Luo Bin

Strategic Study of CAE 2008, Volume 10, Issue 5,   Pages 32-37

Abstract: And some new organic matter was tested in the effluent.The GAC process removed effectively the disinfection by-products, while not steadily sometimes.The adsorptive ability of AC to remove disinfection by-products was limited, depending on the charactersAC could remove the majority of ozonation by-products including inorganic by-products (formaldehyde)and organic by-products (bromate).

Keywords： drinking water     activated carbon     chemical security     by-products     microcystins    

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Screening of indicator pharmaceuticals and personal care products in landfill leachates: a case study

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 9, doi: 10.1007/s11783-023-1716-y

Abstract:

● A systematic framework was developed to identify i-PPCPs for landfill leachate.

Keywords： Landfill leachates     PPCPs     Indicator     Screening criteria     Source-specificity    

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Data quality assessment for studies investigating microplastics and nanoplastics in food products: Are

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 8, doi: 10.1007/s11783-023-1694-0

Abstract:

● Data quality assessment criteria for MP/NPs in food products were

Keywords： Microplastic     Nanoplastic     Food products     Data quality     Human health risk    

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Determination and occurrence of endocrine disrupting compounds, pharmaceuticals and personal care products

Yong YU,Laosheng WU

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 3,   Pages 475-481 doi: 10.1007/s11783-014-0640-6

Abstract: Endocrine disrupting compounds (EDCs), pharmaceuticals and personal care products (PPCPs) have attracted

Keywords： endocrine disrupting compounds (EDCs)     pharmaceuticals and personal care products (PPCPs)     fish     bisphenol    

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Integrated risk assessment framework for transformation products of emerging contaminants: what we know

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 7, doi: 10.1007/s11783-023-1691-3

Abstract:

● A better risk assessment can combine the improved non-target analysis method.

Keywords： Risk assessment frameworks     Transformation products     Emerging contaminants     High-throughput toxicity    

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Impact and inhibitory mechanism of phenolic compounds on the formation of toxic Maillard reaction products

Jing TENG, Xiaoqian HU, Ningping TAO, Mingfu WANG

Frontiers of Agricultural Science and Engineering 2018, Volume 5, Issue 3,   Pages 321-329 doi: 10.15302/J-FASE-2017182

Abstract: some unpleasant toxic substances including acrylamide, heterocyclic amines and advanced glycation end productsdietary polyphenols on the formation of acrylamide, heterocyclic amines and advanced glycation end productsbut also react with reactive carbonyl species, thus lowering the formation of toxic Maillard reaction productsapplication of polyphenols in food safety, and suggests some directions for further study of natural products

Keywords： advanced glycation end products     acrylamide     food safety     heterocyclic amine     Maillard reaction     polyphenols    

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Effects of temperature on pyrolysis products of oil sludge

LIU Jianguo, SONG Wei, NIE Yongfeng

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 1,   Pages 8-14 doi: 10.1007/s11783-008-0030-z

Abstract: The effects of final operating temperature ranging from 350 to 550°C on pyrolysis products of oil sludge

Keywords： sludge treatment     corresponding     Temperature     liquid     process    

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Quantification of hydration products in cementitious materials incorporating silica nanoparticles

L. P. SINGH,A. GOEL,S. K. BHATTACHARYYA,G. MISHRA

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 2,   Pages 162-167 doi: 10.1007/s11709-015-0315-9

Abstract: In the present work, silica nanoparticles (30-70nm) were supplemented into cement paste to study their influence on degree of hydration, porosity and formation of different type of calcium-silicate-hydrate (C-S-H) gel. As the hydration time proceeds, the degree of hydration reach to 76% in nano-modified cement paste whereas plain cement achieve up to 63% at 28 days. An influence of degree of hydration on the porosity was also determined. In plain cement paste, the capillary porosity at 1hr is ~48%, whereas in silica nanoparticles added cement is ~35 % only, it revealed that silica nanoparticles refines the pore structure due to accelerated hydration mechanism leading to denser microstructure. Similarly, increasing gel porosity reveals the formation of more C-S-H gel. Furthermore, C-S-H gel of different Ca/Si ratio in hydrated cement paste was quantified using X-ray diffractometer and thermogravimetry. The results show that in presence of silica nanoparticles, ~24% C-S-H (Ca/Si<1.0) forms, leading to the formation of polymerised and compact C-S-H. In case of plain cement this type of C-S-H was completely absent at 28 days. These studies reveal that the hydration mechanism of the cement can be tuned with the incorporation of silica nanoparticles and thus, producing more durable cementitious materials.

Keywords： degree of hydration     porosity     calcium-silicate-hydrate (C-S-H)     silica nanoparticles    

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Nitrogen distribution in the products from the hydrothermal liquefaction of sp. and sp.

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 985-995 doi: 10.1007/s11705-021-2126-y

Abstract: The high contents of nitrogen-containing organic compounds in biocrude obtained from hydrothermal liquefactionThree main forms of nitrogen-containing organic compounds including nitrogen-heterocyclic compounds,The effect of residence time on the components of nitrogen-containing organic compounds was similar withamino acids in the protein components in the two microalgae might affect the nitrogen distribution in products

Keywords： microalgae     hydrothermal liquefaction     biocrude     nitrogen distribution    

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Title Author Date Type Operation

Removal of organic matter and disinfection by-products precursors in a hybrid process combining ozonation

Xiaojiang FAN,Yi TAO,Dequan WEI,Xihui ZHANG,Ying LEI,Hiroshi NOGUCHI

Journal Article

Concentration levels of disinfection by-products in 14 swimming pools of China

Xiaolu ZHANG,Hongwei YANG,Xiaofeng WANG,Yu ZHAO,Xiaomao WANG,Yuefeng XIE

Journal Article

Characteristics of typical dissolved black carbons and their influence on the formation of disinfection by-products

Journal Article

Formation of disinfection by-products during sodium hypochlorite cleaning of fouled membranes from membrane

Journal Article

Catalytic oxidation of

Na Li, Xin Xing, Yonggang Sun, Jie Cheng, Gang Wang, Zhongshen Zhang, Zhengping Hao

Journal Article

Bacteria inactivation by sulfate radical: progress and non-negligible disinfection by-products

Journal Article

Study of drinking water chemical security and influencing factors on Micro-polluted water treatment by activated carbon process

Chen Wei,Wang Leilei,Lin Tao,Luo Bin

Journal Article

Screening of indicator pharmaceuticals and personal care products in landfill leachates: a case study

Journal Article

Data quality assessment for studies investigating microplastics and nanoplastics in food products: Are

Journal Article

Determination and occurrence of endocrine disrupting compounds, pharmaceuticals and personal care products

Yong YU,Laosheng WU

Journal Article

Integrated risk assessment framework for transformation products of emerging contaminants: what we know

Journal Article

Impact and inhibitory mechanism of phenolic compounds on the formation of toxic Maillard reaction products

Jing TENG, Xiaoqian HU, Ningping TAO, Mingfu WANG

Journal Article

Effects of temperature on pyrolysis products of oil sludge

LIU Jianguo, SONG Wei, NIE Yongfeng

Journal Article

Quantification of hydration products in cementitious materials incorporating silica nanoparticles

L. P. SINGH,A. GOEL,S. K. BHATTACHARYYA,G. MISHRA

Journal Article

Nitrogen distribution in the products from the hydrothermal liquefaction of sp. and sp.

Journal Article