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Effect of electrokinetic property of charged polyether sulfone membrane on bovine serum albumin fouling

Xiaorong Meng, Shanshan Huo, Lei Wang, Xudong Wang, Yongtao Lv, Weiting Tang, Rui Miao, Danxi Huang

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 2, doi: 10.1007/s11783-017-0907-9

Abstract: Charge modification reduced the adhesion forces between PES UF membranes and BSA.The effects of PES membrane interfacial electrokinetic property on the bovine serum albumin (BSA) membranePES membranes were more stable than the unmodified membrane.When pH value was 3, 4.7 or 9, the interaction behavior between charged PES membrane and BSA showed thatCharged modification significantly reduced the adhesion of PES membrane-BSA, and the adhesion data was

Keywords： Charged PES UF membrane     BSA     Electrokinetic characterization     Adhesion force     Jump distance    

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Tailoring the microstructure and properties of PES/SPSf loose nanofiltration membranes using SPES as

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1555-1567 doi: 10.1007/s11705-023-2338-4

Abstract: Herein, polyethersulfone (PES) and sulfonated polysulfone (SPSf) blend membranes were prepared with additionRaman spectroscopy and molecular dynamic simulation modeling confirmed that hydrogen bonds between PES, SPSf, SPES, and adipic acid were crucial to membrane formation and spatial arrangement.Further addition of hydrophilic SPES resulted in a membrane with reduced pore size and molecular weightNotably, the synergistic impact decreased with dye molecular weight, while greater membrane negative

Keywords： adipic acid     loose nanofiltration membrane     dye/salt selective separation     steric hindrance     charge effect    

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Fouling mechanisms in the early stage of an enhanced coagulation-ultrafiltration process

Haiqing CHANG,Baicang LIU,Wanshen LUO,Guibai LI

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 1,   Pages 73-83 doi: 10.1007/s11783-014-0692-7

Abstract: We investigated the fouling performances of ultrafiltration (UF) membrane for treating in-line coagulatedwater in an enhanced coagulation-UF hybrid process.Then we analyzed the fouling mechanisms in the early stage of UF using mathematical models and microscopyenhanced coagulation-UF membrane was observed, and the relationship between permeability and operationMembrane pores blocking and cake filtration were confirmed as main membrane fouling mechanisms using

Keywords： coagulation-UF     trans-membrane pressure (TMP)     permeability     membrane fouling resistance     scanning electron    

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Novel polyethyleneimine/TMC-based nanofiltration membrane prepared on a polydopamine coated substrate

Zhe Yang, Xiaoyu Huang, Jianqiang Wang, Chuyang Y. Tang

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 2,   Pages 273-282 doi: 10.1007/s11705-017-1695-2

Abstract: Most commercial NF membranes are negatively charged at the pH range of a typical feed solution.polymerization reaction on a polydopamine coated hydrolyzed polyacrylonitrile substrate to obtain a positively chargednanofiltration membrane.Effects of polydopamine coating time, PEI concentration, TMC reaction time and concentration on the membraneThe optimal NF membrane showed high rejection for divalent ions (93.6±2.6% for MgSO , 92.4±1.3% for MgCl

Keywords： nanofiltration     polyethyleneimine     trimesoyl chloride     polydopamine     positively charged rejection layer    

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Temporal evolution of charged and neutral nanoparticle concentrations during atmospheric new particle

E. Rohan Jayaratne, Buddhi Pushpawela, Lidia Morawska

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 5, doi: 10.1007/s11783-016-0862-x

Abstract: In 50 events, charged and neutral particles were not formed at the same time.In 42 of these events the charged particles formed before the neutral particles.formation (NPF) events in the urban environment of Brisbane, Australia, showed that the formation of chargedWe studied the times at which the charged and neutral particle concentrations in the size range 1.8–3.2While the charged particles were more likely to form before the neutral particles, once formed, the growth

Keywords： Charged particles     Cluster ions     Secondary particles     Environmental pollution    

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Shear wall layout optimization of tall buildings using Quantum Charged System Search

Siamak TALATAHARI, Mahdi RABIEI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 5,   Pages 1131-1151 doi: 10.1007/s11709-020-0660-1

Abstract: In this paper, Quantum Charged System Search (QCSS) algorithm is presented as a new optimization methodand used to improve the convergence capability of the original Charged System Search.

Keywords： Quantum Charged System Search     shear wall     layout optimization     tall buildings    

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matter and disinfection by-products precursors in a hybrid process combining ozonation with ceramic membrane

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: The performance of an integrated process including coagulation, ozonation, ceramic ultrafiltration (UFHydrophobic organic matter was converted into hydrophilic organic matter during ozonation/UF, while the

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

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Effect of harmonic distortion on electric energy meters of different metrological principles

Illia DIAHOVCHENKO, Vitalii VOLOKHIN, Victoria KUROCHKINA, Michal ŠPES, Michal KOSTEREC

Frontiers in Energy 2019, Volume 13, Issue 2,   Pages 377-385 doi: 10.1007/s11708-018-0571-1

Abstract: This paper deals with the errors of electric energy metering devices as a result of distortions in the shape of the curves of voltage and current load. It is shown and proved that the errors in energy measurements depend on the design and the algorithms used in electricity meters. There are three main types of metering devises having different principles: inductive (electro-mechanical), electronic static, and digital electronic (microprocessor). Each of these types has its measuring features. Some devices take into account all the harmonic distortions and the constant component which occur in the network while others measure the power and energy values of the fundamental harmonic only. Such traits lead to the discrepancies in the readings of commercial electric energy meters of different types. Hence, the violations in the measurement system unity occur, and a significant error can be observed in the balance of transmitted/consumed electric energy.

Keywords： current     distortion     electric energy meter     harmonics     power quality    

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Ductility loss of hydrogen-charged and releasing 304L steel

Yanfei WANG, Jianming GONG, Yong JIANG, Wenchun JIANG, Wang JIANG

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 3,   Pages 298-304 doi: 10.1007/s11465-013-0265-7

Abstract: Flat tensile specimens were cathodic hydrogen charged at various current densities.For each density, two specimens were charged at the same condition.The results show ductility loss occurred in the hydrogen-charged specimens and the loss increased as

Keywords： hydrogen embrittlement     ductility loss     hydrogen releasing     control strategy     304L austenitic stainless steel    

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Fundamental and application of amphiphilic copolymers in high performance MF/UF membranes

Zhu Baoku,Cui Yue,Wang Jun,Wang Nachuan, Yao Zhikan,Zhu Liping

Strategic Study of CAE 2014, Volume 16, Issue 12,   Pages 87-93

Abstract: style="text-align: justify;">To produce high performance polymer microfiltration/ultrafiltration (MF/UF) membranes with lower production cost， the amphiphilic copolymers and their corresponding blend membranefound that， during the phase inversion process， amphiphilic copolymer migrated spontaneously to the membraneproperties of the blend membranes， large-scale preparation of amphiphilic polymers and corresponding MF/UF

Keywords： amphiphilic copolymers     blend porous membrane     surface enrichment     hydrophilicity     anti-fouling    

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Combustion and emission characteristics of a turbo-charged common rail diesel engine fuelled with diesel-biodiesel-DEE

Ni ZHANG, Zuohua HUANG, Xiangang WANG, Bin ZHENG

Frontiers in Energy 2011, Volume 5, Issue 1,   Pages 104-114 doi: 10.1007/s11708-011-0138-x

Abstract: The combustion and emission characteristics of a turbo-charged, common rail diesel engine fuelled with

Keywords： Combustion     particulate emissions     diesel-biodiesel-DEE blend     diesel engine    

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Metal cation removal by P(VC-r-AA) copolymer ultrafiltration membranes

Nachuan Wang, Jun Wang, Peng Zhang, Wenbin Wang, Chuangchao Sun, Ling Xiao, Chen Chen, Bin Zhao, Qingran Kong, Baoku Zhu

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 2,   Pages 262-272 doi: 10.1007/s11705-017-1682-7

Abstract: dissolved in a coagulation bath, indicating that the AA segments were completely retained within the membraneEnriching degree of AA segments in surface layer was 2 for copolymer membrane.In addition, the introduction of AA segments made the membrane electronegative and hydrophilic so thatthe membrane was sensitive to the solution pH.The optimal pH for Cu(II) adsorption was 6 and the copolymer membrane has potential applications for

Keywords： poly(vinyl chloride-r-acrylic acid)     negatively charged PVC membrane     anti-fouling     heavy metal adsorption    

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Membrane fouling control by ultrasound in an anaerobic membrane bioreactor

SUI Pengzhe, WEN Xianghua, HUANG Xia

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 3,   Pages 362-367 doi: 10.1007/s11783-007-0062-9

Abstract: In this study, ultrasound was used to control the membrane fouling online in an anaerobic membrane bioreactorThe experimental results indicated that when the crossflow velocity was more than 1.0 m/s, membrane foulingWhen ultrasound was applied, an ultrasonic power range of 60–150 W was suitable for the membrane foulingThe experimental results showed that the membrane fouling was controlled so well that membrane filtration

Keywords： membrane filtration     filtration resistance     different     feasible ultrasonic     anaerobic membrane    

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Novel membrane separation technologies and membrane processes

Yanying Wei, Gongping Liu, Jianquan Luo, Libo Li, Zhi Xu

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 4,   Pages 717-719 doi: 10.1007/s11705-021-2053-y

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A critical review on thermodynamic mechanisms of membrane fouling in membrane-based water treatment process

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 10, doi: 10.1007/s11783-023-1729-6

Abstract:

● Fundamentals of membrane fouling are comprehensively reviewed.

Keywords： Membrane fouling     Thermodynamic mechanism     XDLVO theory     Flory-Huggins theory     Fouling migration    

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Title Author Date Type Operation

Effect of electrokinetic property of charged polyether sulfone membrane on bovine serum albumin fouling

Xiaorong Meng, Shanshan Huo, Lei Wang, Xudong Wang, Yongtao Lv, Weiting Tang, Rui Miao, Danxi Huang

Journal Article

Tailoring the microstructure and properties of PES/SPSf loose nanofiltration membranes using SPES as

Journal Article

Fouling mechanisms in the early stage of an enhanced coagulation-ultrafiltration process

Haiqing CHANG,Baicang LIU,Wanshen LUO,Guibai LI

Journal Article

Novel polyethyleneimine/TMC-based nanofiltration membrane prepared on a polydopamine coated substrate

Zhe Yang, Xiaoyu Huang, Jianqiang Wang, Chuyang Y. Tang

Journal Article

Temporal evolution of charged and neutral nanoparticle concentrations during atmospheric new particle

E. Rohan Jayaratne, Buddhi Pushpawela, Lidia Morawska

Journal Article

Shear wall layout optimization of tall buildings using Quantum Charged System Search

Siamak TALATAHARI, Mahdi RABIEI

Journal Article

matter and disinfection by-products precursors in a hybrid process combining ozonation with ceramic membrane

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

Journal Article

Effect of harmonic distortion on electric energy meters of different metrological principles

Illia DIAHOVCHENKO, Vitalii VOLOKHIN, Victoria KUROCHKINA, Michal ŠPES, Michal KOSTEREC

Journal Article

Ductility loss of hydrogen-charged and releasing 304L steel

Yanfei WANG, Jianming GONG, Yong JIANG, Wenchun JIANG, Wang JIANG

Journal Article

Fundamental and application of amphiphilic copolymers in high performance MF/UF membranes

Zhu Baoku,Cui Yue,Wang Jun,Wang Nachuan, Yao Zhikan,Zhu Liping

Journal Article

Combustion and emission characteristics of a turbo-charged common rail diesel engine fuelled with diesel-biodiesel-DEE

Ni ZHANG, Zuohua HUANG, Xiangang WANG, Bin ZHENG

Journal Article

Metal cation removal by P(VC-r-AA) copolymer ultrafiltration membranes

Nachuan Wang, Jun Wang, Peng Zhang, Wenbin Wang, Chuangchao Sun, Ling Xiao, Chen Chen, Bin Zhao, Qingran Kong, Baoku Zhu

Journal Article

Membrane fouling control by ultrasound in an anaerobic membrane bioreactor

SUI Pengzhe, WEN Xianghua, HUANG Xia

Journal Article

Novel membrane separation technologies and membrane processes

Yanying Wei, Gongping Liu, Jianquan Luo, Libo Li, Zhi Xu

Journal Article

A critical review on thermodynamic mechanisms of membrane fouling in membrane-based water treatment process

Journal Article