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Cation exchange resin supported nanoscale zero-valent iron for removal of phosphorus in rainwater runoff

XIE Bangmi,ZUO Jiane,GAN Lili,LIU Fenglin,WANG Kaijun

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 3,   Pages 463-470 doi: 10.1007/s11783-013-0575-3

Abstract: Self-made cation exchange resin supported nanoscale zero-valent iron (R-nZVI) was used to remove phosphorusthe dosage of R-nZVI is 8 g per liter rainwater, while only 26% of phosphorus was removed when using cationexchange resin without supported nanoscale zero-valent iron under the same condition.The adsorption capacity of R-nZVI increased up to 185 times of that of the cation exchange resin at a

Keywords： nanoscale zero-valent iron(R-nZVI)     cation exchange resin     rainwater runoff     phosphorus adsorption    

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Preparation and characterization of EVAL hollow fiber membrane adsorbents filled with cation exchange

Fengli ZHANG, Yuzhong ZHANG, Hong LI, Guangfen LI,

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 4,   Pages 462-467 doi: 10.1007/s11705-009-0011-1

Abstract: EVAL hollow fiber membrane adsorbents filled with powder D061-type cation exchange resin were preparedThe effect of the resin-filled content on membrane performance has been discussed.The results showed that EVAL hollow fiber membrane adsorbents filled with D061-type cation exchange resinshad good adsorption capacity, and the adsorption capacity increased with the quantity of the resin-filledThe static protein adsorption capacity was 77.14 mg BSA/g membrane adsorbents when D061 resin loading

Keywords： substrate     copolymer EVAL     exchange     EVAL hollow     resin-filled content    

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Control strategies for disinfection byproducts by ion exchange resin, nanofiltration and their sequential

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 10, doi: 10.1007/s11783-023-1725-x

Abstract:

● Effects of AER adsorption and NF on DBP precursors, DBPs, and TOX were examined.

Keywords： Disinfection byproducts     Control     Anion exchange resin     Nanofiltration     Cytotoxicity    

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performance of EDI device in dealing with Ni2 solution with dilute departments filled with cationexchange resins

Niu Yubiao,Xu Xiaoqing,Zhao Haiyang,Zhou Zhijun

Strategic Study of CAE 2014, Volume 16, Issue 7,   Pages 62-67

Abstract: text-align: justify;">Study on the feasibility of EDI device, whose dilute departments were filled with cationexchange resins and feed water was low concentration Ni2 solution, for the treatment of low-concentration

Keywords： Electrodeionization (EDI)     cation exchange resin     heavy-metal     Ni2    

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Analysis of statistical thermodynamic model for binary protein adsorption equilibria on cation exchange

ZHOU Xiaopeng, SU Xueli, SUN Yan

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 2,   Pages 103-112 doi: 10.1007/s11705-007-0020-x

Abstract: A study of nonlinear competitive adsorption equilibria of proteins is of fundamental importance in understanding the behavior of preparative chromatographic separation. This work describes the nonlinear binary protein adsorption equilibria on ion exchangers by the statistical thermodynamic (ST) model. The single-component and binary protein adsorption isotherms of bovine hemoglobin (Hb) and bovine serum albumin (BSA) on SP Sepharose FF were determined by batch adsorption experiments in 0.05 mol/L sodium acetate buffer at three pH values (4.5, 5.0 and 5.5) and three NaCl concentrations (0.05, 0.10 and 0.15 mol/L) at pH 5.0. The ST model was found to depict the effects of pH and ionic strength on the single-component equilibria well, with model parameters depending on the pH and ionic strength. Moreover, the ST model gave acceptable fitting to the binary adsorption data with the fitted single-component model parameters, leading to the estimation of the binary ST model parameter. The effects of pH and ionic strength on the model parameters are reasonably interpreted by the electrostatic and thermodynamic theories. Results demonstrate the availability of the ST model for describing nonlinear competitive protein adsorption equilibria in the presence of two proteins.

Keywords： fundamental importance     single-component equilibria     acceptable fitting     hemoglobin     chromatographic separation    

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Condensation of phenol and acetone on a modified macroreticular ion exchange resin catalyst

Baohe WANG, Lili WANG, Jing ZHU, Shuang CHEN, Hao SUN

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 2,   Pages 218-225 doi: 10.1007/s11705-013-1330-9

Abstract: Macroreticular ion exchange resin catalysts were prepared by suspension polymerization, and then modifiedAt optimal conditions, the macroreticular ion exchange resin catalysts modified by alkylmercaptoamines

Keywords： macroreticular ion exchange resin     catalysts     suspension polymerization     Bisphenol A    

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Monovalent Cation Exchange Membranes with Janus Charged Structure for Ion Separation Article

Wenguang Wang, Yanqiu Zhang, Xiaobin Yang, Haixiang Sun, Yadong Wu, Lu Shao

Engineering 2023, Volume 25, Issue 6,   Pages 204-213 doi: 10.1016/j.eng.2021.09.020

Abstract:

Monovalent cation exchange membranes (M-CEMs) have been extensively applied in environmental remediationpositively-charged trimesic acid/polyethylenimine surface thin layer and a negatively charged commercial cationexchange membrane (CEM).CEMs, thereby enabling the novel Janus-charged M-CEMs to possess high perm-selectivity and high total cation

Keywords： Monovalent cation exchange membranes     Janus charged structure     Selectrodialysis     Perm-selectivity     “Upper    

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Preparation of a novel anion exchange group modified hyper-crosslinked resin for the effective adsorption

Qing ZHOU, Mengqiao WANG, Aimin LI, Chendong SHUANG, Mancheng ZHANG, Xiaohan LIU, Liuyan WU

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 3,   Pages 412-419 doi: 10.1007/s11783-013-0483-6

Abstract: A novel hyper-crosslinked resin (MENQ) modified with an anion exchange group was prepared using divinylbenzeneThe obtained resin had both a high specific surface area (793.34 m ·g ) and a large exchange capacity(strong base anion exchange capacity, SEC: 0.74 mmol·g , weak base anion exchange capacity, WEC: 0.45well-fitted with the Freundlich model, which indicated the existence of heterogeneous adsorption through cation-π

Keywords： high surface area     adsorption     anion exchange     micropollutant     dissolved organic matters    

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Recovery of Ni(II) from real electroplating wastewater using fixed-bed resin adsorption and subsequent

Tong Li, Ke Xiao, Bo Yang, Guilong Peng, Fenglei Liu, Liyan Tao, Siyuan Chen, Haoran Wei, Gang Yu, Shubo Deng

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 6, doi: 10.1007/s11783-019-1175-7

Abstract: • Resin adsorption and subsequent electrodeposition were used for nickel recovery. • Treated wastewatercan meet the Electroplating Pollutant Discharge Standard. • The spent resin is completely regeneratedIn this study, the pilot-scale fixed-bed resin adsorption was conducted to recover Ni(II) ions from realA commercial cation-exchange resin was selected and the optimal resin adsorption and regeneration conditionsAfter the adsorption by two ion-exchange resin columns in series and one chelating resin column, the

Keywords： Nickel removal     Ion exchange     Electroplating wastewater     Regeneration     Electrodeposition    

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Removal of dissolved oxygen from water using a Pd-resin based catalytic reactor

Wenxin SHI, Chongwei CUI, Liye ZHAO, Shuili YU, Xia YUN

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1,   Pages 107-111 doi: 10.1007/s11705-009-0154-0

Abstract: The removal of dissolved oxygen (DO) from water was studied experimentally in a Pd-resin base catalysteffects of various operating conditions, such as hydrogen and water flow rates, height of the catalytic resinIncreases of temperature, H gas rate and the height of the catalytic resin were helpful to improve the

Keywords： dissolved oxygen     palladium     catalytic reactor     hydrogen     resin    

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Novel 1,2,3-triazole-based compounds: Iodo effect on their gelation behavior and cation response

Yaodong Huang, Shuxue Liu, Zhuofeng Xie, Zipei Sun, Wei Chai, Wei Jiang

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 2,   Pages 252-261 doi: 10.1007/s11705-017-1683-6

Abstract: Two new series of 1,2,3-triazole derivatives, with and without iodo substitution, were synthesized and their gelation properties were measured. It was found that the iodo substitution at position 5 of triazole ring could greatly enhance the gelation ability. Scanning electron microscopy and X-ray diffraction reveal that the structures of the organogels from iodo and hydrogenous gelators are totally different. Iodo gels are selectively responsive to the stimuli of Hg , whereas hydrogenous gels can respond to Hg and Cu . Moreover, the reversible gel-sol transition of hydrogenous gels can be controlled by redox reaction or tuned with suitable chemicals. The single crystal analysis of reference compound ( ) suggests that there are intermolecular and intramolecular non-classical hydrogen bonding interactions but no π-π interaction in hydrogenous gelator. The great difference between the two series of compounds results from the iodo effect and implies the existence of halogen bonding interaction in the iodo compounds.

Keywords： organogelator     1     2     3-triazole derivatives     self-assembly     halogen bonding     cation response    

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Heat, mass, and work exchange networks

Zhiyou CHEN, Jingtao WANG

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 4,   Pages 484-502 doi: 10.1007/s11705-012-1221-5

Abstract: The application of heat exchange networks (HENs), mass exchange networks (MENs), water allocation heatexchange networks (WAHENs) and work exchange networks (WENs) have resulted in the significant savingreview inspires researchers to propose more efficient and convenient methods for the design of existing exchange

Keywords： process system engineering     integration methods     heat exchange network     mass exchange network     work exchange    

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A new regeneration approach to cation resins with aluminum salts: application of desalination by its

Zhigang LIU, Shaomin ZHU, Yansheng LI

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 1,   Pages 45-50 doi: 10.1007/s11783-010-0262-6

Abstract: A novel method for the regeneration of cation exchange resins by aluminum (Al) salts was investigatedThe influences of Al concentration and the pH of regeneration solution on resin transformation had been

Keywords： aluminum (Al) form resins     desalination     mixed bed (MB)     regeneration    

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Impregnation of thermoplastic resin in jute fiber mat

LIU Xiaoye, DAI Gance

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 2,   Pages 145-149 doi: 10.1007/s11705-008-0030-3

Abstract: Impregnation rate of thermoplastic resin (polypropylene) in jute fiber mat and influence of relative

Keywords： polypropylene     diameter     influence     proportional     impregnation    

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TiO supported IrO for anode reversal tolerance in proton exchange membrane fuel cell

Frontiers in Energy 2022, Volume 16, Issue 5,   Pages 852-861 doi: 10.1007/s11708-021-0811-7

Abstract: Fuel starvation can occur and cause damage to the cell when proton exchange membrane fuel cells operate

Keywords： proton exchange membrane fuel cell (PEMFC)     fuel starvation     cell reverse     reversal tolerance anode    

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Title Author Date Type Operation

Cation exchange resin supported nanoscale zero-valent iron for removal of phosphorus in rainwater runoff

XIE Bangmi,ZUO Jiane,GAN Lili,LIU Fenglin,WANG Kaijun

Journal Article

Preparation and characterization of EVAL hollow fiber membrane adsorbents filled with cation exchange

Fengli ZHANG, Yuzhong ZHANG, Hong LI, Guangfen LI,

Journal Article

Control strategies for disinfection byproducts by ion exchange resin, nanofiltration and their sequential

Journal Article

performance of EDI device in dealing with Ni2 solution with dilute departments filled with cationexchange resins

Niu Yubiao,Xu Xiaoqing,Zhao Haiyang,Zhou Zhijun

Journal Article

Analysis of statistical thermodynamic model for binary protein adsorption equilibria on cation exchange

ZHOU Xiaopeng, SU Xueli, SUN Yan

Journal Article

Condensation of phenol and acetone on a modified macroreticular ion exchange resin catalyst

Baohe WANG, Lili WANG, Jing ZHU, Shuang CHEN, Hao SUN

Journal Article

Monovalent Cation Exchange Membranes with Janus Charged Structure for Ion Separation

Wenguang Wang, Yanqiu Zhang, Xiaobin Yang, Haixiang Sun, Yadong Wu, Lu Shao

Journal Article

Preparation of a novel anion exchange group modified hyper-crosslinked resin for the effective adsorption

Qing ZHOU, Mengqiao WANG, Aimin LI, Chendong SHUANG, Mancheng ZHANG, Xiaohan LIU, Liuyan WU

Journal Article

Recovery of Ni(II) from real electroplating wastewater using fixed-bed resin adsorption and subsequent

Tong Li, Ke Xiao, Bo Yang, Guilong Peng, Fenglei Liu, Liyan Tao, Siyuan Chen, Haoran Wei, Gang Yu, Shubo Deng

Journal Article

Removal of dissolved oxygen from water using a Pd-resin based catalytic reactor

Wenxin SHI, Chongwei CUI, Liye ZHAO, Shuili YU, Xia YUN

Journal Article

Novel 1,2,3-triazole-based compounds: Iodo effect on their gelation behavior and cation response

Yaodong Huang, Shuxue Liu, Zhuofeng Xie, Zipei Sun, Wei Chai, Wei Jiang

Journal Article

Heat, mass, and work exchange networks

Zhiyou CHEN, Jingtao WANG

Journal Article

A new regeneration approach to cation resins with aluminum salts: application of desalination by its

Zhigang LIU, Shaomin ZHU, Yansheng LI

Journal Article

Impregnation of thermoplastic resin in jute fiber mat

LIU Xiaoye, DAI Gance

Journal Article

TiO supported IrO for anode reversal tolerance in proton exchange membrane fuel cell

Journal Article