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Unraveling Membrane Fouling Induced by Chlorinated Water Versus Surface Water: Biofouling Properties and Microbiological Investigation Article

Li Zhang, Lei Xu, Nigel Graham, Wenzheng Yu,

Engineering 2022, Volume 15, Issue 8,   Pages 154-164 doi: 10.1016/j.eng.2021.03.016

Abstract:

Chlorine is usually applied in the process of urban water treatment to deactivate pathogens and preventspider-like structure was observed for the lake-water biofilm, which was assumed to be associated with the bacteriaOverall, these findings have revealed the significant role of chlorine-resistant bacteria in biofouling

Keywords： Membrane fouling     Biofilm     GDM filtration technology     Ultrafiltration     Chlorine-resistant bacteria     Hydrophilicity    

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Surface-tailoring chlorine resistant materials and strategies for polyamide thin film composite reverse

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 5,   Pages 564-591 doi: 10.1007/s11705-021-2109-z

Abstract: Despite their very promising separation performance, chlorine-induced degradation resulted from the susceptibilityof polyamide toward chlorine attack has been regarded as the Achilles’s heel of polyamide thin filmThe free chlorine species present during chlorine treatment can impair membrane performance through chlorinationThis review discusses membrane degradation by free chlorine attack and its correlation with the surfaceThe advancement in the development of chlorine resistant polyamide thin film composite membranes is reviewed

Keywords： reverse osmosis     polyamide     thin film composite membranes     chlorine resistance     surface modification    

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Presence, dissemination and removal of antibiotic resistant bacteria and antibiotic resistance genes

Qiaowen Tan, Weiying Li, Junpeng Zhang, Wei Zhou, Jiping Chen, Yue Li, Jie Ma

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 3, doi: 10.1007/s11783-019-1120-9

Abstract:

Reviewed the change of ARGs and ARB in full-scale urban drinking water systems.

Conventional processes are more promising than BAC process in ARGs removal.

Mechanisms of ARGs enrichment and spread in BAC filter and DWDSs are discussed.

Raise the need of future research on ARGs and ARB change in building plumbing systems.

Keywords： Antibiotic resistant bacteria     Antibiotic resistance genes     Water source     Drinking water treatment plant    

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Synergistic effects of sodium hypochlorite disinfection and iron-oxidizing bacteria on early corrosion

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 6, doi: 10.1007/s11783-021-1506-3

Abstract:

• The early corrosion process in the cast iron pipes was investigated.

Keywords： Cast iron pipe corrosion     Drinking water distribution systems     Chlorine disinfection     Iron-oxidizingbacteria     Coupling effects    

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Selective targeted adsorption and inactivation of antibiotic-resistant bacteria by Cr-loaded mixed metal

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 6, doi: 10.1007/s11783-021-1502-7

Abstract:

• LDHs and MMOs was synthesized by ultrasound-assisted one-step co-precipitation.

Keywords： Heavy metal adsorption     Magnetic hydrotalcite     ARBs removal     Cr(VI)-MMOs combined antibacterial activity    

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Flow cytometric assessment of the effects of chlorine, chloramine, and UV on bacteria by using nucleic

Xuebiao Nie, Wenjun Liu, Mo Chen, Minmin Liu, Lu Ao

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 6, doi: 10.1007/s11783-016-0884-4

Abstract: Membrane of is more resistant to chlorine/chloramine than .The metabolic activity of bacteria persisted after the cytomembranewas damaged.The metabolic activity of the bacteria persisted after the cytomembranewas damaged as detected usingThe metabolic activity of the bacteria decreased with increasing UV dosage, and MP-UV was a strongerFurthermore, the membrane of Gram-positive was more resistant to chlorine/chloramine than that of Gram-negative

Keywords： Flow cytometry     Escherichia coli     Staphylococcusaureus     UV     CTC     SYTO 9    

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Impact of total organic carbon and chlorine to ammonia ratio on nitrification in a bench-scale drinking

Yongji ZHANG, Lingling ZHOU, Guo ZENG, Huiping DENG, Guibai LI

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 4,   Pages 430-437 doi: 10.1007/s11783-010-0247-5

Abstract: The aim of this study was to investigate the impact of total organic carbon and chlorine to ammonia ratioThe occurrence of nitrification and activity of nitrifying bacteria was primarily monitored using fourrotating annular bioreactors (RAB) with different chlorine to ammonia ratios and total organic carbonhigher TOC levels, produced more nitrite nitrogen, which was consistent with the ammonia-oxidizing bacteriaThe chlorine to ammonia ratio did not have a significant impact on the occurrence of nitrification.

Keywords： nitrification     drinking water     ammonia- oxidizing bacteria (AOB)     chloramines     organic carbon     heterotrophicbacteria    

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A Rigid Nanoplatform for Precise and Responsive Treatment of Intracellular Multidrug-Resistant Bacteria Article

Shaoqi Qu, Xiaoyong Huang, Xiangbin Song, Yifan Wu, Xiaowei Ma, Jianzhong Shen, Kui Zhu

Engineering 2022, Volume 15, Issue 8,   Pages 57-66 doi: 10.1016/j.eng.2021.12.021

Abstract: lack of antibiotic discovery and development urgently calls for new strategies to combat multidrug-resistant(MDR) bacteria, especially those that survive in host cells.nanoparticles potentiates their cellular uptake, rigidity-functionalized nanoparticles (RFNs) coated with bacteria-responsivePrecise delivery and high antibacterial efficacy were demonstrated by the clearing of 99% of MDR bacteriain 4 h using methicillin-resistant Staphylococcus aureus (MRSA) and pathogenic Bacillus

Keywords： Antibiotic     Bacteria     Mesoporous silica     Phospholipid     Rigidity    

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Treatment, residual chlorine and season as factors affecting variability of trihalomethanes in small

Roberta DYCK,Geneviève COOL,Manuel RODRIGUEZ,Rehan SADIQ

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 1,   Pages 171-179 doi: 10.1007/s11783-014-0750-1

Abstract: Residual chlorine and trihalomethanes (THM) were measured over seven years (2003–2009).Chloroform, total THM (TTHM) and residual chlorine concentrations were generally lower in systems usingResidual chlorine was highest in the winter and lowest in the spring and summer.Seasonal variations were most pronounced for residual chlorine in systems with additional treatment.There was generally poor correlation between THM concentrations and concentrations of residual chlorine

Keywords： drinking water     residual chlorine     seasonal variability     small municipal systems     treatment technologies    

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Enhanced formation of trihalomethane disinfection byproducts from halobenzoquinones under combined UV/chlorine

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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Change in genotoxicity of wastewater during chlorine dioxide and chlorine disinfections and the influence

WANG Lisha, HU Hongying, WANG Chao, Koichi Fujie

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 1,   Pages 18-22 doi: 10.1007/s11783-007-0003-7

Abstract: The effects of chlorine dioxide and chlorine disinfections on the genotoxicity of different biologicallyThe experiment results showed that when chlorine dioxide dosage was increased from 0 to 30 mg/L, thegenotoxicity of wastewater first decreased rapidly and then tended to be stable, while when the chlorineIt was then found that ammonia nitrogen did not affect the change of genotoxicity during chlorine dioxidedisinfection of wastewater, while it greatly affected the change of genotoxicity during chlorine disin
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Modeling and verifying chlorine decay and chloroacetic acid formation in drinking water chlorination

Wenjun LIU, Shaoying QI,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 1,   Pages 65-72 doi: 10.1007/s11783-010-0010-y

Abstract: The limiting chlorine demand, which quantifies chlorine reactive natural organic matter (NOM) on an equivalentbasis, was mathematically defined by the relation between ultimate chlorine residue and initial chlorineIt was found experimentally that NOM in water has limiting chlorine demand that increases with chlorineThe results also demonstrated that the effect of chlorine dose on the rate of chlorine decay can be quantitativelyinterpreted with the limiting chlorine demand.

Keywords： chlorine demand     chlorine decay     chloroacetic acids     disinfection byproducts     model    

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Chlorine Nutrition of Plant and Application of Chlorine-containing Fertilizers

Mao Zhiyun,Zhou Zefang,Shi Xiaojun,Liu Hongbin

Strategic Study of CAE 2000, Volume 2, Issue 6,   Pages 64-66

Abstract: Based on twenty thorough and systematic studies on chlorine nutrition of plant and chlorine-containing

(1) “Chlorine tolerance” and “critical value of chlorine tolerance of cropPlant chlorine tolerance can be divided into three types： (A)Crops of strong chlorine tolerance.It is the differece between the critical value of chlorine tolerance of plant and chlorine-content ofsoil.This term cimplies that the higher the chlorine allowance of soil,the much chlorine-contained fartilizer

Keywords： Types of chlorine tolerance of crops     chlorine allowance of Soil     Prospect of chlorine-containing chemical    

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Self-healing polyamide reverse osmosis membranes with temperature-responsive intelligent nanocontainers for chlorine

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9,   Pages 1183-1195 doi: 10.1007/s11705-022-2287-3

Abstract: remains great challenge to ensure excellent NaCl rejection while maintaining high water permeability and chlorinetemperature-responsive intelligent nanocontainers are designed and constructed to improve water permeability and chlorineWhen the polyamide layer is damaged by chlorine attack, the polyvinyl alcohol shell layer dissolves underEffective repair treatment and outstanding chlorine resistance as well as satisfactory stability suggest

Keywords： reverse osmosis     nanocontainer     self-healing     chlorine resistance     water permeability    

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Solvent-resistant porous membranes using poly(ether−ether ketone): preparation and application

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1536-1559 doi: 10.1007/s11705-022-2221-8

Abstract: Poly(ether−ether ketone) (PEEK) is a linear aromatic macromolecule, which can form semi-crystalline aggregative status, allowing PEEK materials to have strong environment tolerance and excellent physicochemical properties. PEEK materials have become a promising alternative to fabricate particular membranes used in extreme conditions. In the past few decades, many researches and evolutions have emerged in membrane fabrication with PEEK materials and its applications for treating organic solvents and their mixtures; however, there are little systematic and comprehensive literature to summarize fabrication approaches, compile applications, and elaborate PEEK property-structure relationship. In this review, the main approaches to fabricate PEEK-based membranes are illustrated concretely, including conventional thermal-induced and non-solvent-induced phase separation, and novel chemical-induced crystallization; the representative applications in ultrafiltration, nanofiltration and membrane contactor containing organic solvents are demonstrated systematically. Meanwhile, the mechanism to tune PEEK solubility in solvents, which can be achieved by altering monomers in synthesis processes or changing membrane preparation routes, is deeply analyzed. Moreover, the existing problems and the future prospects are also discussed. This review provides positive guidance for designing and fabricating membranes using PEEK and its derivative materials for task-specific applications in harsh conditions.

Keywords： PEEK     phase inversion     solvent-resistant membrane     nanofiltration     membrane contactor    

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Title Author Date Type Operation

Unraveling Membrane Fouling Induced by Chlorinated Water Versus Surface Water: Biofouling Properties and Microbiological Investigation

Li Zhang, Lei Xu, Nigel Graham, Wenzheng Yu,

Journal Article

Surface-tailoring chlorine resistant materials and strategies for polyamide thin film composite reverse

Journal Article

Presence, dissemination and removal of antibiotic resistant bacteria and antibiotic resistance genes

Qiaowen Tan, Weiying Li, Junpeng Zhang, Wei Zhou, Jiping Chen, Yue Li, Jie Ma

Journal Article

Synergistic effects of sodium hypochlorite disinfection and iron-oxidizing bacteria on early corrosion

Journal Article

Selective targeted adsorption and inactivation of antibiotic-resistant bacteria by Cr-loaded mixed metal

Journal Article

Flow cytometric assessment of the effects of chlorine, chloramine, and UV on bacteria by using nucleic

Xuebiao Nie, Wenjun Liu, Mo Chen, Minmin Liu, Lu Ao

Journal Article

Impact of total organic carbon and chlorine to ammonia ratio on nitrification in a bench-scale drinking

Yongji ZHANG, Lingling ZHOU, Guo ZENG, Huiping DENG, Guibai LI

Journal Article

A Rigid Nanoplatform for Precise and Responsive Treatment of Intracellular Multidrug-Resistant Bacteria

Shaoqi Qu, Xiaoyong Huang, Xiangbin Song, Yifan Wu, Xiaowei Ma, Jianzhong Shen, Kui Zhu

Journal Article

Treatment, residual chlorine and season as factors affecting variability of trihalomethanes in small

Roberta DYCK,Geneviève COOL,Manuel RODRIGUEZ,Rehan SADIQ

Journal Article

Enhanced formation of trihalomethane disinfection byproducts from halobenzoquinones under combined UV/chlorine

Journal Article

Change in genotoxicity of wastewater during chlorine dioxide and chlorine disinfections and the influence

WANG Lisha, HU Hongying, WANG Chao, Koichi Fujie

Journal Article

Modeling and verifying chlorine decay and chloroacetic acid formation in drinking water chlorination

Wenjun LIU, Shaoying QI,

Journal Article

Chlorine Nutrition of Plant and Application of Chlorine-containing Fertilizers

Mao Zhiyun,Zhou Zefang,Shi Xiaojun,Liu Hongbin

Journal Article

Self-healing polyamide reverse osmosis membranes with temperature-responsive intelligent nanocontainers for chlorine

Journal Article

Solvent-resistant porous membranes using poly(ether−ether ketone): preparation and application

Journal Article