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Fabrication of high-performance pervaporation composite membrane for alkaline wastewater reclamation

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 5, Pages 709-719 doi: 10.1007/s11705-021-2078-2

Abstract: Pervaporation desalination has a unique advantage to recycle concentrated salt solutions.The merit can be applied to treat alkaline wastewater if the membrane has superior alkali-resistance.In this paper, we used polyethylene microfiltration membrane as the substrate and deposited a glutaraldehydePervaporation flux of the composite membrane reached 35±2 kg·m^–2·h^–1 with a sodiumThe desalination performance was stable after soaking the membrane in a 20 wt-% NaOH solution at room

Keywords： pervaporation alkaline solution concentration polyethylene membrane acid resistance chlorine tolerance

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Pervaporation membrane separation technology and its application

Li Jiding,Yang Zheng and Jin Xiayang

Strategic Study of CAE 2014, Volume 16, Issue 12, Pages 46-51

Abstract:

Membrane separation technology is contemporarily a high and new technologyMembrane separation technology of pervaporation as a novel separation technology is typically energy-savingthe conventional azeotropicdistillation and extractive distillation applied to azeotropic systems， pervaporationThe industrial applications of the pervaporation dehydration over the world are introduced， and researchprogresses and industrial feasibilities of several pervaporation membranes are shown in this paper，

Keywords： pervaporation membrane technology separation energy saving

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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)/polyvinylidene(PVDF) is prepared by cross-linking reaction of PDMS and triethoxyvinylsilane on PVDF hollow fiber membraneorganic 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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Mass transport mechanisms within pervaporation membranes

Yimeng Song, Fusheng Pan, Ying Li, Kaidong Quan, Zhongyi Jiang

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 3, Pages 458-474 doi: 10.1007/s11705-018-1780-1

Abstract: Pervaporation is an energy-efficient membrane technology for separating liquid molecules of similar physicalWith the rapid development of new membrane materials, the pervaporation performance was significantlyFundamental understanding of the mass transport mechanisms is crucial for the rational design of membranematerials and efficient intensification of pervaporation process.molecules and membranes, this review focuses on two categories of mass transport mechanisms within pervaporation

Keywords： pervaporation membrane mass transport mechanisms physical mechanism chemical mechanism

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Study of zeolite membranes for pervaporation dehydration and their applications

Gu Xuehong,Xu Nanping

Strategic Study of CAE 2014, Volume 16, Issue 12, Pages 52-58

Abstract: by rubbing-dipcoating and induction with ball-milled seeds was developed to synthesize NaA zeolite membraneMass transfer mechanism of organic solvent and water in a zeolite membrane was investigated with molecularA pretreatment method was then proposed and industrial pervaporation plants were built up，which have

Keywords： pervaporation zeolite membrane organic dehydration industrial application

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Computational fluid dynamics applied to membrane processes for water treatment

Zhang Yaqin,Zhang Lin ,Hou Li’ an

Strategic Study of CAE 2014, Volume 16, Issue 7, Pages 47-52

Abstract: ="text-align: justify;">In this paper, the basic principle of computational fluid dynamics (CFD) in membraneseparation process were introduced, and the application of CFD mechanism of membrane pollution, membranemodule design in pressure-driven membrane processes, as well as other membrane process, such as pervaporation, membrane distillation were presented.The prospect of application of CFD in membrane process was discussed.

Keywords： CFD membrane separation pressure-driven pervaporation membrane distillation

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Combining extractive heterogeneous-azeotropic distillation and hydrophilic pervaporation for enhanced

Eniko Haaz, Botond Szilagyi, Daniel Fozer, Andras Jozsef Toth

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 5, Pages 913-927 doi: 10.1007/s11705-019-1877-1

Abstract: A new method which combines extractive heterogeneous-azeotropic distillation (EHAD) and hydrophilic pervaporationextractive distillations in one column but no added materials are needed as is usually the case with pervaporation

Keywords： hydrophilic pervaporation non-ideal mixture modelling extractive heterogeneous-azeotropic distillation

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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: of a separation layer on the inner surface of a hollow fiber (HF) substrate to form an HF composite membraneThis work reports on the fabrication of a polydimethylsiloxane (PDMS) composite membrane on the innerreflection Fourier-transform infrared spectroscopy (ATR-FTIR), the nano-indentation/scratch technique, and pervaporation

Keywords： Ceramic hollow fiber Inner membrane Pervaporation Polydimethylsiloxane Butanol

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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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A review on membrane distillation in process engineering: design and exergy equations, materials and

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 5, Pages 592-613 doi: 10.1007/s11705-021-2105-3

Abstract: Further advances in the field of desalination can be provided by innovative processes such as membraneenhanced research activities and allowed a deeper understanding of mass and heat transport phenomena, membranewetting, polarization phenomena and have encouraged the use of materials particularly suitable for membraneThis work summarizes recent developments in the field of membrane distillation, studies for module lengthoptimization, commercial membrane modules developed, recent patents and advancement of membrane material

Keywords： membrane distillation recent developments heat and mass transfer wetting membrane material

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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 captureTo achieve this potential, the outputs from global research endeavours into membrane technologies mustbe 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 separationHere, 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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Membrane bioreactors for hospital wastewater treatment: recent advancements in membranes and processes

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 5, Pages 634-660 doi: 10.1007/s11705-021-2107-1

Abstract: In particular, membrane bioreactor (MBR) technology demonstrated high removal efficiency toward organicmicrofiltration) into the MBR units (hybrid MBRs) or the MBR as a pretreatment step and integrating other membraneprocesses as subsequent secondary purification step (integrated MBR-membrane systems).Then, an in-depth analysis was provided into the recent development of hybrid MBR and integrated MBR-membraneknowledge gaps in the field, highlighting the potential contribution of hybrid MBRs and integrated MBR-membrane

Keywords： membrane technology membrane bioreactor hospital wastewater hybrid MBR integrated MBR-membrane system

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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°,This work might provide a new avenue for recycling the wasted reverse osmosis membrane used in oily wastewater

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