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membrane technology 4

pervaporation 4

separation 4

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Preparation and properties of hollow fibre nanofiltration membrane with continuous coffee-ring structure

Xiuzhen Wei, Xufeng Xu, Yi Chen, Qian Zhang, Lu Liu, Ruiyuan Yang, Jinyuan Chen, Bosheng Lv

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 2,   Pages 351-362 doi: 10.1007/s11705-020-1943-8

Abstract: Polyamide (PA) hollow fibre composite nanofiltration (NF) membranes with a coffee-ring structure andtrimesoyl chloride concentration was 0.3 wt-%, and the GO concentration was 0.025 wt-%, the prepared NFmembrane.Under neutral operating conditions, the PA/GO membrane showed typical negatively charged NF membraneThe PA/GO NF membrane showed better antifouling performance than the PA membrane.

Keywords： GO     PA     interfacial polymerization     hollow fibre NF membrane    

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Role of membrane and compound properties in affecting the rejection of pharmaceuticals by different RO/NF membranes

Yang-ying Zhao, Fan-xin Kong, Zhi Wang, Hong-wei Yang, Xiao-mao Wang, Yuefeng F. Xie, T. David Waite

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 6, doi: 10.1007/s11783-017-0975-x

Abstract: The performance of a low-pressure reverse osmosis (LPRO) membrane (ESPA1), a tight NF membrane (NF90)and two loose NF membranes (HL and NF270) was compared for the rejection of 23 different pharmaceuticalsEfforts were also devoted to understand the effect of adsorption on the rejection performance of each membrane, which could not be simply explained by the difference in membrane surface hydrophobicity, selectiveThe HL membrane had a lower rejection of PhACs of higher hydrophobicity (log D>0) and higher HFP (>0.02

Keywords： Trace organic compounds (TrOCs)     Nanofiltration (NF)     Adsorption     Membrane properties     Water treatment    

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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 microstructures of the membrane adsorbents were observed, and the pure water fluxes, BSA rejection, and static adsorption capacities of membrane adsorbents for BSA were measured.The 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 resins

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

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Energy reduction of a submerged membrane bioreactor using a polytetrafluoroethylene (PTFE) hollow-fibermembrane

Taro Miyoshi, Thanh Phong Nguyen, Terumi Tsumuraya, Hiromu Tanaka, Toru Morita, Hiroki Itokawa, Toshikazu Hashimoto

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 3, doi: 10.1007/s11783-018-1018-y

Abstract: In this study, we modified a polytetrafluoroethylene (PTFE) hollow-fiber membrane element used for submergedmembrane bioreactors (MBRs) to reduce the energy consumption during MBR processes.The high mechanical strength of the PTFE membrane made it possible to increase the effective length ofthe membrane fiber from 2 to 3 m.These modifications improve the efficiency of membrane cleaning associated with aeration.

Keywords： Energy-saving     Membrane bioreactor     Polytetrafluoroethylene (PTFE) membrane     Hollow fiber     Power consumption    

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Filtration ability of hollow fiber membrane for production of magnesium ammonium phosphate crystals by

H. Watamura, H. Marukawa, I. Hirasawa

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 1,   Pages 55-59 doi: 10.1007/s11705-013-1312-y

Abstract: Relationship between magnesium ammonium phosphate (MAP) crystal properties and the filtration ability of hollowfiber membrane (HFM) were investigated.

Keywords： membrane separation     crystallization     MAP    

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Cell carrier function of hollow-fiber membrane in rotating wall vessel bioreactor

SONG Kedong, LIU Tianqing, ZHAO Hu, LI Xiangqin, MA Xuehu, CUI Zhanfeng

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 1,   Pages 34-39 doi: 10.1007/s11705-008-0022-3

Abstract: Large-scale expansion of the osteoblasts of a Sprague-Dawley (SD) rat was studied in a rotating wall hollow-fibermembrane bioreactor (RWHMB) by using hollow-fiber membrane as the carrier.For the sake of contrast, cells were also expanded in a T-flask using a hollow-fiber membrane as carrierIt is concluded that the RWHMB combines the advantages of the rotating wall vessel and hollow-fiber membrane

Keywords： RWHMB     microcarrier     hematoxylin-eosin     von-Kossa staining     propitious    

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Effects of baffles on separation of aqueous ethanol solution with hollow fibers

Zhihong YANG, Guoliang ZHANG, Lan LIN, Danping REN, Qin MENG, Hongzi ZHANG

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1,   Pages 68-72 doi: 10.1007/s11705-009-0130-8

Abstract: The effects of baffles on the operation and mass-transfer characteristics in novel hollow fiber membraneHollow fiber membranes, coated with a 7 μm polydimethyl-siloxane, were operated as structural packingTwo baffles were installed on the shell side of the membrane contactors to enhance separation, whichThe results show that both baffled and unbaffled membrane contactors gave better, more productive separationsThe baffled membrane contactors performed better than unbaffled ones, especially at high vapor velocities

Keywords： hollow fiber     membrane contactor     baffle     mass-transfer     ethanol-water    

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Development Strategy of Hollow Fiber Membrane Technology and Industry in China

Xiao Changfa, He Benqiao, Wu Chunrui, Gong Genghao, Jiang Shicheng

Strategic Study of CAE 2021, Volume 23, Issue 2,   Pages 153-160 doi: 10.15302/J-SSCAE-2021.02.021

Abstract:

Hollow fiber membrane (HFM) technology is one of the common key technologiesMoreover, four key tasks were proposed in terms of hollow fiber ultrafiltration/microfiltration membrane, high-quality hydrophobic membrane, new membrane technology, and waste membrane recycling.

Keywords： hollow fiber membrane，membrane material，membrane application，sustainable and high-quality development    

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Treatment of organic wastewater containing salt by PDMS hollow fiber pervaporation membrane

Li Junjun,Gu Jin,Sun Yuping,Zhang Lin,Lei Lecheng

Strategic Study of CAE 2014, Volume 16, Issue 7,   Pages 68-72

Abstract:

In this paper, the composite membrane of polydimethylsiloxane(PDMS)/polyvinylidenefluoride (PVDF) is prepared by cross-linking reaction of PDMS and triethoxyvinylsilane on PVDF hollowfiber membrane surface.Themembranesare characterized with scanning electronmicroscopyandattenuated totalorganic wastewaters, n-butanol-water, isopropanol-water and acetone-water, the effect of temperature on membrane

Keywords： pervaporation     PDMS     hollow fiber membrane     saline organic wastewater    

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New Approach for Low-cost Development of High-strength Fibre

Hui Xianquan

Strategic Study of CAE 2007, Volume 9, Issue 11,   Pages 132-136

Abstract:

Aiming at improving the strength of glass fibre, the paper proposes anascent state preimpregnation composite modification technique, which enable glass fibre to keep the

Keywords： high-strength fibre     carbon fibre     glass fibre     nascent state strength     high-performance compositematerial    

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Pilot study for the treatment of sodium and fluoride-contaminated groundwater by using high-pressure membrane

Xiaomao WANG,Hongwei YANG,Zhenyu LI,Shaoxia YANG,Yuefeng XIE

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 1,   Pages 155-163 doi: 10.1007/s11783-014-0740-3

Abstract: ) and one tight nanofiltration (NF) membranes were tested under this pilot study.The tight NF membrane also had a good rejection on conductivity (95%), sodium (94%) and fluoride (95%The electricity consumptions for the RO, LPRO and NF systems were 1.74, 1.10 and 0.72 kWh?The estimated treatment costs by using typical RO, LPRO and tight NF membrane systems were 1.21, 0.98A treatment process consisting of either LPRO or tight NF facilities following multi-media filtration

Keywords： reverse osmosis (RO)     nanofiltration (NF)     water quality standards     sodium     fluoride     cost estimation    

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Highly Conductive Proton Selectivity Membrane Enabled by Hollow Carbon Sieving Nanospheres for Energy Article

Kang Huang, Shuhao Lin, Yu Xia, Yongsheng Xia, Feiyan Mu, Yuqin Lu, Hongyan Cao, Yixing Wang, Weihong Xing, Zhi Xu

Engineering 2023, Volume 28, Issue 9,   Pages 69-78 doi: 10.1016/j.eng.2022.11.008

Abstract: Herein, a membrane with highly conductive proton selectivity was fabricated by incorporating porous carbonsieving nanospheres with a hollow structure (HCSNs) in a polymer matrix.(0.033 S·cm−1) and a pure polymer membrane (0.049 S·cm−1membrane (6.68 × 105 S·min·(1.13 × 105 S·min·cm−3) and the pure membrane (1.56

Keywords： Ion conductive membrane     Hollow carbon sieving nanosphere     Proton transport channel     Flow battery    

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Polydimethylsiloxane (PDMS) Composite Membrane Fabricated on the Inner Surface of a Ceramic Hollow Fiber Article

Ziye Dong, Haipeng Zhu, Yingting Hang, Gongping Liu, Wanqin Jin

Engineering 2020, Volume 6, Issue 1,   Pages 89-99 doi: 10.1016/j.eng.2019.10.012

Abstract: 0cm 0cm 0.0001pt;text-align:justify;">The fabrication of a separation layer on the inner surface of a hollowfiber (HF) substrate to form an HF composite membrane offers exciting opportunities for industrial applicationsThis work reports on the fabrication of a polydimethylsiloxane (PDMS) composite membrane on the inner

Keywords： Ceramic hollow fiber Inner membrane     Pervaporation     Polydimethylsiloxane     Butanol    

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Arsenic (V) removal from groundwater by GE-HL nanofiltration membrane: effects of arsenic concentration

Xiaowei WANG, Wenjun LIU, Weifang MA, Desheng LI,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 4,   Pages 428-433 doi: 10.1007/s11783-009-0146-9

Abstract: investigation was performed to study arsenic (As (V)) removal by negatively charged GE-HL nanofiltration (NF) membrane in simulated drinking water.The NF membrane presented good stability, and the rejection rates exceeded 90%.

Keywords： nanofiltration (NF)     rejection rate     co-existing ion     co-ion     counter-ion    

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Engineering a High-Selectivity PVDF Hollow-Fiber Membrane for Cesium Removal Article

Shiyuan Ding, Lilan Zhang, Yang Li, Li´an Hou

Engineering 2019, Volume 5, Issue 5,   Pages 865-871 doi: 10.1016/j.eng.2019.07.021

Abstract:

In this study, a copper ferrocyanide/silica/polyvinylidene fluoride (CuFC/SiO2/PVDF) hollow-fibercomposite membrane was successfully synthesized through a facile and effective crosslinking strategyThe PVDF hollow-fiber membrane with embedded SiO2 was used to fix the dispersion of CuFC nanoparticlesThe composite membrane showed a high Cs rejection rate and membrane flux at the three layers of CuFCTherefore, the CuFC/SiO2/PVDF hollow-fiber composite membrane can be used directly in engineering

Keywords： Cesium removal     Composite membrane     Copper ferrocyanide     Polyvinylidene fluoride    

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Title Author Date Type Operation

Preparation and properties of hollow fibre nanofiltration membrane with continuous coffee-ring structure

Xiuzhen Wei, Xufeng Xu, Yi Chen, Qian Zhang, Lu Liu, Ruiyuan Yang, Jinyuan Chen, Bosheng Lv

Journal Article

Role of membrane and compound properties in affecting the rejection of pharmaceuticals by different RO/NF membranes

Yang-ying Zhao, Fan-xin Kong, Zhi Wang, Hong-wei Yang, Xiao-mao Wang, Yuefeng F. Xie, T. David Waite

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

Energy reduction of a submerged membrane bioreactor using a polytetrafluoroethylene (PTFE) hollow-fibermembrane

Taro Miyoshi, Thanh Phong Nguyen, Terumi Tsumuraya, Hiromu Tanaka, Toru Morita, Hiroki Itokawa, Toshikazu Hashimoto

Journal Article

Filtration ability of hollow fiber membrane for production of magnesium ammonium phosphate crystals by

H. Watamura, H. Marukawa, I. Hirasawa

Journal Article

Cell carrier function of hollow-fiber membrane in rotating wall vessel bioreactor

SONG Kedong, LIU Tianqing, ZHAO Hu, LI Xiangqin, MA Xuehu, CUI Zhanfeng

Journal Article

Effects of baffles on separation of aqueous ethanol solution with hollow fibers

Zhihong YANG, Guoliang ZHANG, Lan LIN, Danping REN, Qin MENG, Hongzi ZHANG

Journal Article

Development Strategy of Hollow Fiber Membrane Technology and Industry in China

Xiao Changfa, He Benqiao, Wu Chunrui, Gong Genghao, Jiang Shicheng

Journal Article

Treatment of organic wastewater containing salt by PDMS hollow fiber pervaporation membrane

Li Junjun,Gu Jin,Sun Yuping,Zhang Lin,Lei Lecheng

Journal Article

New Approach for Low-cost Development of High-strength Fibre

Hui Xianquan

Journal Article

Pilot study for the treatment of sodium and fluoride-contaminated groundwater by using high-pressure membrane

Xiaomao WANG,Hongwei YANG,Zhenyu LI,Shaoxia YANG,Yuefeng XIE

Journal Article

Highly Conductive Proton Selectivity Membrane Enabled by Hollow Carbon Sieving Nanospheres for Energy

Kang Huang, Shuhao Lin, Yu Xia, Yongsheng Xia, Feiyan Mu, Yuqin Lu, Hongyan Cao, Yixing Wang, Weihong Xing, Zhi Xu

Journal Article

Polydimethylsiloxane (PDMS) Composite Membrane Fabricated on the Inner Surface of a Ceramic Hollow Fiber

Ziye Dong, Haipeng Zhu, Yingting Hang, Gongping Liu, Wanqin Jin

Journal Article

Arsenic (V) removal from groundwater by GE-HL nanofiltration membrane: effects of arsenic concentration

Xiaowei WANG, Wenjun LIU, Weifang MA, Desheng LI,

Journal Article

Engineering a High-Selectivity PVDF Hollow-Fiber Membrane for Cesium Removal

Shiyuan Ding, Lilan Zhang, Yang Li, Li´an Hou

Journal Article