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Pilot plants of membrane technology in industry: Challenges and key learnings

Colin A. Scholes

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 3,   Pages 305-316 doi: 10.1007/s11705-019-1860-x

Abstract: Membrane technology holds great potential in gas separation applications, especially carbon dioxide capturebe trialled in industrial processes, which requires membrane-based pilot plants.These pilot plants are critical to the commercialization of membrane technology, be it as gas separationmembranes or membrane gas-solvent contactors, as failure at the pilot plant level may delay the developmentHere, the author reports on his experience of operating membrane-based pilot plants for gas separation

Keywords： membrane gas separation     membrane contactors     carbon capture     pilot plants     key learnings    

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Integration of molecular dynamic simulation and free volume theory for modeling membrane VOC/gas separation

Bo Chen, Yan Dai, Xuehua Ruan, Yuan Xi, Gaohong He

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 2,   Pages 296-305 doi: 10.1007/s11705-018-1701-3

Abstract: Gas membrane separation process is highly unpredictable due to interacting non-ideal factors, such ascomposition/pressure-dependent permeabilities and real gas behavior.This work proposes a method for modeling a membrane separation process for volatile organic compoundsSmall scale MD simulation and pure gas permeation data are employed to correlate pressure-irrelevantA lab-scale hollow fiber membrane module was prepared for the model validation and evaluation.

Keywords： membrane vapor separation     membrane process modeling     process engineering     free volume theory     volatile organic    

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Highly hydrophobic oil−water separation membrane: reutilization of waste reverse osmosis membrane

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1606-1615 doi: 10.1007/s11705-022-2200-0

Abstract: In this work, the base nonwoven layer of the wasted reverse osmosis membrane was successfully modifiedinto the hydrophobic membrane via surface deposition strategy including TiO2 and 1H,1H,2HThe optimally modified membrane displayed good hydrophobicity with a contact angle of 135.2° ± 0.3°,and its oil–water separation performance was as high as 97.8%.After 20 recycle tests, the oil–water separation performance remained more than 96%, which was attributed

Keywords： oil–water separation     wasted reverse osmosis membrane     hydrophobic modification    

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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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Mechanism of ethanol/water reverse separation through a functional graphene membrane: a molecular simulation

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 3,   Pages 347-357 doi: 10.1007/s11705-022-2246-z

Abstract: However, to date, the reverse-separation performance of ethanol/water is poor and the separation mechanismwith tunable apertures and functional groups have shown substantial potential for use in molecular separationmolecular dynamics simulations, for the first time, we reveal two-way selectivity in ethanol/water separationA simulation of the operando condition shows that the PG membrane with an aperture size of 3.8 Å achievesgood separation performance, with an ethanol/water separation factor of 34 and a flux value of 69.3

Keywords： reverse separation     graphene membrane     ethanol/water separation     molecular simulation    

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Carbon dioxide sequestration in petrochemical industries with the aim of reduction in greenhouse gas

Maryam Takht Ravanchi, Saeed Sahebdelfar, Farnaz Tahriri Zangeneh

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 2,   Pages 173-178 doi: 10.1007/s11705-010-0562-1

Abstract: The mitigation of greenhouse gas emissions to acceptable levels is arguably the greatest environmentalDifferent methods can be used for carbon dioxide separation such as absorption, membrane separation,Membrane separation and adsorption (PSA type) are other long-term alternatives that can increase separationefficiency and decrease separation cost.absorption>membrane separation.

Keywords： carbon dioxide     greenhouse effect     separation     membrane     absorption     adsorption    

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Computational fluid dynamics applied to high temperature hydrogen separation membranes

Guozhao JI, Guoxiong WANG, Kamel HOOMAN, Suresh BHATIA, Jo?o C. DINIZ da COSTA

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 1,   Pages 3-12 doi: 10.1007/s11705-011-1161-5

Abstract: This work reviews the development of computational fluid dynamics (CFD) modeling for hydrogen separationor domains (feed and permeate) of the membrane.affected by the gas flow and concentrations in the feed domain and vice-versa.In turn, the source term will depend on the membrane used, as different membrane materials comply withFinally, CFD modeling is shifting from simplified single gas simulation to industrial gas mixtures, when

Keywords： membrane     gas separation     computational fluid dynamics     concentration polarization     hydrogen    

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Biodegradable, superhydrophobic walnut wood membrane for the separation of oil/water mixtures

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 9,   Pages 1377-1386 doi: 10.1007/s11705-022-2157-z

Abstract: The preparation of environmentally friendly oil/water separation materials remains a great challenge.The method has potential for the large-scale fabrication of degradable superhydrophobic filtration separation

Keywords： wood nanotechnology     superhydrophobic     biodegradable     surface modification     oil/water separation    

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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, arepresents the two most important types of CMRs: those based on dense mixed-conducting membranes for gasseparation, and those based on porous ceramic membranes for heterogeneous catalytic processes.Membrane 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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Integrated Membrane Separation Processes

Gao Congjie,Yu Sanchuan,Jin keyong

Strategic Study of CAE 2000, Volume 2, Issue 7,   Pages 43-46

Abstract:

The application of integrated membrane separation processes in water purification, wastewater treatmentThe advantages and prospect of integrated membrane separation process were also analyzed in the review

Keywords： membrane separation     integrated membrane separation process     water purification     desalination     cleaning manufacture    

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Poly(vinylidene fluoride--hexafluoro propylene) membranes prepared via thermally induced phase separationand application in direct contact membrane distillation

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 5,   Pages 720-730 doi: 10.1007/s11705-021-2098-y

Abstract: prepare poly(vinylidene fluoride)-co-hexafluoropropylene membranes via thermally induced phase separationEffects of the polymer concentration on the phase diagram, membrane morphology, hydrophobicity, poreIn direct contact membrane distillation operation with 3.5 wt-% sodium chloride solution

Keywords： poly(vinylidene fluoride)-co-hexafluoropropylene     thermally induced phase separation     non-toxicdiluent     direct contact membrane distillation    

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Charge and separation characteristics of nanofiltration membrane embracing dissociated functional groups

Zhun MA,Meng WANG,Xueli GAO,Congjie GAO

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 5,   Pages 650-658 doi: 10.1007/s11783-013-0605-1

Abstract: The current work focused on the investigation of charge and separation characteristics of nanofiltration(NF) membrane embracing dissociated functional groups under different electrolyte solutions.The electro-kinetic method was carried out to assess the membrane volume charge density ( ) with differentThe Donnan steric pore model-dielectric exclusion (DSPM-DE) model was employed to evaluate the separationFurthermore, it was found that the separation characteristic of NF membrane could be evaluated well by

Keywords： Sulfonated polyethersulfone nanofiltration membrane     charge characteristics     electro-kinetic method     volumecharge density     separation behavior    

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Computational design of heterogeneous catalysts and gas separation materials for advanced chemical processing

Huaiwei Shi, Teng Zhou

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 1,   Pages 49-59 doi: 10.1007/s11705-020-1959-0

Abstract: selectively focuses on two important process functional materials, namely heterogeneous catalyst and gasseparation agent.

Keywords： heterogeneous catalyst     gas separation     solvent     porous adsorbent     material screening and design    

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Electro-assisted CNTs/ceramic flat sheet ultrafiltration membrane for enhanced antifouling and separation

Shuo Wei, Lei Du, Shuo Chen, Hongtao Yu, Xie Quan

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 1, doi: 10.1007/s11783-020-1303-4

Abstract: Abstract • A stable and electroconductive CNTs/ceramic membrane was fabricated. • The membrane withdeveloped for improving the antifouling and separation performance.The CNTs/ceramic flat sheet membrane was fabricated by coating cross-linked CNTs on ceramic membrane,that of the PVDF commercial membrane.compared with the filtration process of the commercial membrane.

Keywords： Ultrafiltration     Electro-assistance     CNTs     Membrane fouling mitigation    

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Environmental and economic assessment of vegetable oil production using membrane separation and vapor

Weibin Kong, Qi Miao, Peiyong Qin, Jan Baeyens, Tianwei Tan

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 2,   Pages 166-176 doi: 10.1007/s11705-017-1616-4

Abstract: In this process, solvent recovery and tail gas treatment are usually performed by adsorption, paraffinscrubbing, or even cryogenics (at low tail gas flow rates).Membrane separation, which has a lower energy consumption than these techniques, spans a broad rangeIn this study, we proved the possibility of combining membrane separation and vapor recompression to

Keywords： vegetable oil     solvent-extraction     membrane separation     vapor recompression     environmental and economic assessment    

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Title Author Date Type Operation

Pilot plants of membrane technology in industry: Challenges and key learnings

Colin A. Scholes

Journal Article

Integration of molecular dynamic simulation and free volume theory for modeling membrane VOC/gas separation

Bo Chen, Yan Dai, Xuehua Ruan, Yuan Xi, Gaohong He

Journal Article

Highly hydrophobic oil−water separation membrane: reutilization of waste reverse osmosis membrane

Journal Article

Novel membrane separation technologies and membrane processes

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

Journal Article

Mechanism of ethanol/water reverse separation through a functional graphene membrane: a molecular simulation

Journal Article

Carbon dioxide sequestration in petrochemical industries with the aim of reduction in greenhouse gas

Maryam Takht Ravanchi, Saeed Sahebdelfar, Farnaz Tahriri Zangeneh

Journal Article

Computational fluid dynamics applied to high temperature hydrogen separation membranes

Guozhao JI, Guoxiong WANG, Kamel HOOMAN, Suresh BHATIA, Jo?o C. DINIZ da COSTA

Journal Article

Biodegradable, superhydrophobic walnut wood membrane for the separation of oil/water mixtures

Journal Article

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

Guangru Zhang, Wanqin Jin, Nanping Xu

Journal Article

Integrated Membrane Separation Processes

Gao Congjie,Yu Sanchuan,Jin keyong

Journal Article

Poly(vinylidene fluoride--hexafluoro propylene) membranes prepared via thermally induced phase separationand application in direct contact membrane distillation

Journal Article

Charge and separation characteristics of nanofiltration membrane embracing dissociated functional groups

Zhun MA,Meng WANG,Xueli GAO,Congjie GAO

Journal Article

Computational design of heterogeneous catalysts and gas separation materials for advanced chemical processing

Huaiwei Shi, Teng Zhou

Journal Article

Electro-assisted CNTs/ceramic flat sheet ultrafiltration membrane for enhanced antifouling and separation

Shuo Wei, Lei Du, Shuo Chen, Hongtao Yu, Xie Quan

Journal Article

Environmental and economic assessment of vegetable oil production using membrane separation and vapor

Weibin Kong, Qi Miao, Peiyong Qin, Jan Baeyens, Tianwei Tan

Journal Article