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Hydrophobic polyethersulfone porous membranes for membrane distillation

Heba ABDALLAH, Ayman EL-GENDI, Maaly KHEDR, Elham EL-ZANATI

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 1,   Pages 84-93 doi: 10.1007/s11705-015-1508-4

Abstract: Membrane distillation (MD) is a thermal, vapor-driven transportation process through micro porous hydrophobicsheet membranes, namely, annealed polyethersulfone and a polyethersulfone/tetraethoxysilane (PES/TEOS) blendThe membranes were characterized and their performances were investigated using the vacuum membrane distillationThe hydrophobic PES/TEOS membrane had the highest salt rejection (99.7%) and permeate flux (86 kg/m ·

Keywords： membrane distillation     hydrophobic membrane     salt rejection     permeate flux    

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alcohol content on morphology, antifouling, and permeation properties of polysulfone ultrafiltration membrane

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1484-1502 doi: 10.1007/s11705-023-2331-y

Abstract: and ultrasonic separation kinetic measurements were also carried out to develop an ultrafiltration membraneThe extracted membrane properties and filtration capabilities were systematically compared to the proposedresults, valuable insights into the selection of hydrophilic copolymers were provided to tailor the membrane

Keywords： polysulfone     blend modification     ultrafiltration membrane     formation hydrodynamics     poly(ethylene-co-vinyl    

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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: In the past few decades, many researches and evolutions have emerged in membrane fabrication with PEEKchemical-induced crystallization; the representative applications in ultrafiltration, nanofiltration and membranesolubility in solvents, which can be achieved by altering monomers in synthesis processes or changing membrane

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

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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: membrane were presented and investigated.found that， during the phase inversion process， amphiphilic copolymer migrated spontaneously to the membraneand hydrophobic components prevented the loss of amphiphilic copolymers in real application of the blendBased on the fundamental in structures and properties of the blend membranes， large-scale preparationof amphiphilic polymers and corresponding MF/UF blend membranes were achieved.

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

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Preparation and properties of gel membrane containing porous PVDF-HFP matrix and cross-linked PEG for

ZHANG Mei, CUI Zhenyu, ZHU Baoku, HAN Gaige, XU Youyi, ZHANG Aiqing

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 1,   Pages 89-94 doi: 10.1007/s11705-008-0011-6

Abstract: The lithium ion conducting gel polymer electrolyte membrane (Li-GPEM) based on porous poly(vinylideneBy immersing the porous PVDF-HFP membrane in liquid electrolyte containing poly(ethylene glycol) diacrylateelectrochemical properties reveal that the obtained Li-GPEM has better overall performance than the liquid and blend

Keywords： ethylene     PEGDA     inversion     network     initiator    

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Modeling of unconfined compressive strength of soil-RAP blend stabilized with Portland cement using multivariate

Ali Reza GHANIZADEH, Morteza RAHROVAN

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 4,   Pages 787-799 doi: 10.1007/s11709-019-0516-8

Abstract: to develop a mathematical model for predicting the unconfined compressive strength (UCS) of soil-RAP blendThe results demonstrate that MARS has a great ability for prediction of the UCS in case of soil-RAP blend

Keywords： full-depth reclamation     soil-reclaimed asphalt pavement blend     Portland cement     unconfined compressive strength    

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Research Progress of Hydrogen Separation Membrane

Luan Yongchao, Xiong Yalin, He Guangli, Liu Congmin, Li Shuai

Strategic Study of CAE 2022, Volume 24, Issue 3,   Pages 140-152 doi: 10.15302/J-SSCAE-2022.03.015

Abstract: Membrane separation has a wide application prospect in hydrogen separation as it uses simple devices,basic mechanism of hydrogen separation membranes and reviewed the research progress of dense metal, porousSpecifically, although porous inorganic, organic polymer, and hybrid matrix membranes have good hydrogenCombining the advantages of porous inorganic and MOF membranes can facilitate the significant developmentThe performance of hybrid matrix membrane can be notably improved after controllable adjustment of its

Keywords： hydrogen separation membrane     dense metal membrane     porous inorganic membrane     metal-organic framework(MOF) membrane     organic polymer membrane     hybrid matrix membrane     hydrogen purification    

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Preparation of polyvinylpyrrolidone / poly(ethylene-co-vinyl alcohol) blend membranes and the oil/water

Bai Yunxiang,Wu Guoliang,Zhang Chunfang,Gu Jin,Sun Yuping

Strategic Study of CAE 2014, Volume 16, Issue 7,   Pages 79-83

Abstract:

PVP/EVAL blend membranes was prepared by blending of PVP with poly(ethylene-co-vinylThe chemical structure, morphology, mechanical performance and hydrophilicity of PVP/EVAL blend membranesThe tensile strength and elongation at break of PVP/EVAL blend membrane with 10 wt% (the mass percentWhen the content of PVP increased to 4 wt%, oil/water emulsion flux of PVP/EVAL blend membrane were 1.81times that of the pure EVAL membrane.

Keywords： PVP     EVAL     blend membrane     oil/water separation     immersion precipitation    

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Design and Fabrication of Ceramic Catalytic Membrane Reactors for Green Chemical Engineering Applications Feature Article

Guangru Zhang, Wanqin Jin, Nanping Xu

Engineering 2018, Volume 4, Issue 6,   Pages 848-860 doi: 10.1016/j.eng.2017.05.001

Abstract:

Catalytic membrane reactors (CMRs), which synergistically carry out separations and reactions, aretypes of CMRs: those based on dense mixed-conducting membranes for gas separation, and those based on porousMembrane reactor design, fabrication, and applications related to energy and environmental areas areFirst, the configuration of membranes and membrane reactors are introduced for each of type of membrane

Keywords： Dense ceramic membrane     Porous ceramic membrane     Catalytic membrane reactor     Gas separation     Heterogeneous    

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Effects of pyrolyzed semi-char blend ratio on coal combustion and pollution emission in a 0.35 MW pulverized

Yonghong YAN, Liutao SUN, Zhengkang PENG, Hongliang QI, Li LIU, Rui SUN

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 78-90 doi: 10.1007/s11708-020-0678-z

Abstract: The effects of blend ratio on combustion and pollution emission characteristics for co-combustion ofAbove the 30% blend ratio, the increase in blend ratio postpones ignition in the primary stage and lowersWith the blend ratio increasing, NO emission at the furnace exit is smallest for the 30% blend ratioratio of semi-char is less than 45%, and carbon burnout changed a little at all blend ratios.So, an SC blend ratio of no more than 45% can be suitable for the burning of semi-char.

Keywords： pulverized-coal combustion     pyrolyzed semi-char     ignition characteristics     pollution emission     char burnout     blend    

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Fabricating sustainable lignin-derived porous carbon as electrode for high-performance supercapacitors

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 8,   Pages 1065-1074 doi: 10.1007/s11705-023-2313-0

Abstract: Herein, we propose a method for the preparation of porous carbon from lignin employing an H3porous carbon and investigate its potential for energyAfter assisted hydrothermal treatment followed by carbonization at 800 °C, the lignin-derived porousIn this present study, the resultant lignin-derived porous carbon was used as the electrode of a supercapacitor

Keywords： lignin     porous carbon     electrode     supercapacitor    

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Tuning the primary selective nanochannels of MOF thin-film nanocomposite nanofiltration membranes for efficient removal of hydrophobic endocrine disrupting compounds

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 4, doi: 10.1007/s11783-021-1474-7

Abstract:

• PA layer properties tune the primary nanochannels in MIL-101(Cr) TFN NF membranes.

Keywords： Porous metal organic framework     Thin-film nanocomposite membrane     Primary selective nanochannels     Nanofiltration    

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Optimized porous clay heterostructure for removal of acetaldehyde and toluene from indoor air

Pu ZHAO,Lizhong ZHU

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 2,   Pages 219-228 doi: 10.1007/s11783-014-0760-z

Abstract: In this study, a series of new porous clay heterostructure (PCH) adsorbents with various ratios of micropores

Keywords： porous clay heterostructure     volatile organic compounds     adsorption     adsorbent     indoor air    

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Maximum entropy based finite element analysis of porous media

Emad NOROUZI, Hesam MOSLEMZADEH, Soheil MOHAMMADI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 364-379 doi: 10.1007/s11709-018-0470-x

Abstract: theory is adopted to spatially discretize the deformation variable of the governing coupled equations of porousline with the well-known fact that higher-order shape functions can provide more stable solutions in porousSome of the benchmark problems in deformable porous media are solved with the developed approach and

Keywords： maximum entropy FEM     fully coupled multi-phase system     porous media    

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S-enriched porous polymer derived N-doped porous carbons for electrochemical energy storage and conversion

Chao Zhang, Chenbao Lu, Shuai Bi, Yang Hou, Fan Zhang, Ming Cai, Yafei He, Silvia Paasch, Xinliang Feng, Eike Brunner, Xiaodong Zhuang

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3,   Pages 346-357 doi: 10.1007/s11705-018-1727-6

Abstract: of heteroatom-doped porous carbons due to the intrinsic porous structure, easy available heteroatom-containingHowever, the heteroatom elements in as-produced porous carbons are quite relied on monomers.So far, the manipulating of heteroatom in porous polymer derived porous carbons are still very rare andIn this work, a sulfur-enriched porous polymer, which was prepared from a diacetylene-linked porous polymerstudy of heteroatoms co-doped porous carbon for energy applications.

Keywords： porous polymers     porous carbons     sulfur and nitrogen doping     supercapacitor    

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Title Author Date Type Operation

Hydrophobic polyethersulfone porous membranes for membrane distillation

Heba ABDALLAH, Ayman EL-GENDI, Maaly KHEDR, Elham EL-ZANATI

Journal Article

alcohol content on morphology, antifouling, and permeation properties of polysulfone ultrafiltration membrane

Journal Article

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

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

Preparation and properties of gel membrane containing porous PVDF-HFP matrix and cross-linked PEG for

ZHANG Mei, CUI Zhenyu, ZHU Baoku, HAN Gaige, XU Youyi, ZHANG Aiqing

Journal Article

Modeling of unconfined compressive strength of soil-RAP blend stabilized with Portland cement using multivariate

Ali Reza GHANIZADEH, Morteza RAHROVAN

Journal Article

Research Progress of Hydrogen Separation Membrane

Luan Yongchao, Xiong Yalin, He Guangli, Liu Congmin, Li Shuai

Journal Article

Preparation of polyvinylpyrrolidone / poly(ethylene-co-vinyl alcohol) blend membranes and the oil/water

Bai Yunxiang,Wu Guoliang,Zhang Chunfang,Gu Jin,Sun Yuping

Journal Article

Design and Fabrication of Ceramic Catalytic Membrane Reactors for Green Chemical Engineering Applications

Guangru Zhang, Wanqin Jin, Nanping Xu

Journal Article

Effects of pyrolyzed semi-char blend ratio on coal combustion and pollution emission in a 0.35 MW pulverized

Yonghong YAN, Liutao SUN, Zhengkang PENG, Hongliang QI, Li LIU, Rui SUN

Journal Article

Fabricating sustainable lignin-derived porous carbon as electrode for high-performance supercapacitors

Journal Article

Tuning the primary selective nanochannels of MOF thin-film nanocomposite nanofiltration membranes for efficient removal of hydrophobic endocrine disrupting compounds

Journal Article

Optimized porous clay heterostructure for removal of acetaldehyde and toluene from indoor air

Pu ZHAO,Lizhong ZHU

Journal Article

Maximum entropy based finite element analysis of porous media

Emad NOROUZI, Hesam MOSLEMZADEH, Soheil MOHAMMADI

Journal Article

S-enriched porous polymer derived N-doped porous carbons for electrochemical energy storage and conversion

Chao Zhang, Chenbao Lu, Shuai Bi, Yang Hou, Fan Zhang, Ming Cai, Yafei He, Silvia Paasch, Xinliang Feng, Eike Brunner, Xiaodong Zhuang

Journal Article