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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: increasing applications of seawater desalination technology have led to the wide usage of polyamide reverseosmosis membranes, resulting in a large number of wasted reverse osmosis membranes.In this work, the base nonwoven layer of the wasted reverse osmosis membrane was successfully modifiedmodified membrane displayed good hydrophobicity with a contact angle of 135.2° ± 0.3°, and its oil–water separationAfter 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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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: Reverse-selective membranes have attracted considerable interest for bioethanol production.However, to date, the reverse-separation performance of ethanol/water is poor and the separation mechanismPristine graphene (PG) exhibits reverse-selective behavior with higher ethanol fluxes than water, resultingperformance, with an ethanol/water separation factor of 34 and a flux value of 69.3 kg∙m‒2reverse-selective mechanism of porous graphene membranes and

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

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The application of membrane separation technology in solving water security problem

Hou Li´an,Zhang Lin

Strategic Study of CAE 2014, Volume 16, Issue 7,   Pages 4-9

Abstract: In this article, the development of membrane separation technology and its applications in deep treatment

Keywords： water security     membrane separation     ultrafiltration     nanofiltration     reverse osmosis    

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InterfacialpolymerizationinconstrictedzonetoinducedReverse osmosisandnanofiltrationmembranes orientedsynthesis

Tan Zhe,Gao Congjie

Strategic Study of CAE 2014, Volume 16, Issue 7,   Pages 17-22

Abstract:

Herein, we report a new concept, constricted interfacial polymerization to study the formation of polyamide thin film composite membranes. Delayed diffusion of protected polyfunctional amine reacts with acyl chloride to produce a transition surface structure. Hydrophilic macromolecules and amphiphilic template induced interfacial polymerization reacted in a limited zone, the aggregation state of polymer chains transform from a random state to a regular stateand membrane permeability increases without a loss of salt rejection. Zeolite nanoparticles dispersed in RO composite membrane changed film morphology and water permeability is increased nearly 50% with equivalent salt rejection.

Keywords： constricted interfacialpolymerization     reverse osmosis     nanofiltration     surface morphology     separation    

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Centrifuge experiments for shallow tunnels at active reverse fault intersection

Mehdi SABAGH, Abbas GHALANDARZADEH

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 731-745 doi: 10.1007/s11709-020-0614-7

Abstract: Dip-slip surface faulting in reverse mechanism of 60-degree is modeled by a fault simulator box in aAccording to the observations, the modeled tunnels are vulnerable to reverse fault rupture and but the

Keywords： reverse fault rupture     continuous tunnel     geotechnical centrifuge     ground surface deformations     fragility    

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Self-healing polyamide reverse osmosis membranes with temperature-responsive intelligent nanocontainers

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9,   Pages 1183-1195 doi: 10.1007/s11705-022-2287-3

Abstract: Improving the performance of reverse osmosis membranes remains great challenge to ensure excellent NaClnanocontainer has great potential as membrane-doping material for the targeted repair of polyamide reverse

Keywords： reverse osmosis     nanocontainer     self-healing     chlorine resistance     water permeability    

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Tracing the impact of stack configuration on interface resistances in reverse electrodialysis by in situ

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 4, doi: 10.1007/s11783-021-1480-9

Abstract:

• RED performance and stack resistance were studied by EIS and LSV.

Keywords： Reverse electrodialysis     Electrochemical impedance spectroscopy     Concentration polarization     Spacer shadow    

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Preparation of reverse osmosis membrane with high permselectivity and anti-biofouling properties for

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 7, doi: 10.1007/s11783-021-1497-0

Abstract:

• Nanoparticle incorporation and anti-biofouling grafting were integrated.

Keywords： Anti-biofouling grafting     Nanoparticle incorporation     Sterilization rates     Water flux     Water flux recovery    

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Efficient production of hydrogen peroxide in microbial reverse-electrodialysis cells coupled with thermolytic

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 9, doi: 10.1007/s11783-023-1708-y

Abstract:

● Appreciable H2O2 production rate was achieved in MRCs utilizing NH4HCO3 solutions.

Keywords： Microbial reverse-electrodialysis cell     Hydrogen peroxide production     Ammonium bicarbonate     Electrolysis    

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Surface-tailoring chlorine resistant materials and strategies for polyamide thin film composite reverse

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 5,   Pages 564-591 doi: 10.1007/s11705-021-2109-z

Abstract: Polyamide thin film composite membranes have dominated current reverse osmosis market on account of theirexcellent separation performances compared to the integrally skinned counterparts.Despite their very promising separation performance, chlorine-induced degradation resulted from the susceptibilitypoint of view, a chemically stable membrane is crucial for the sustainable application of membrane separation

Keywords： reverse osmosis     polyamide     thin film composite membranes     chlorine resistance     surface modification    

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Winner determination problem with loss-averse buyers in reverse auctions

Xiaohu QIAN, Min HUANG, Yangyang YU, Xingwei WANG

Frontiers of Engineering Management 2017, Volume 4, Issue 2,   Pages 212-220 doi: 10.15302/J-FEM-2017019

Abstract: Reverse auctions have been widely adopted for purchasing goods and services.This paper considers a novel winner determination problem in a multiple-object reverse auction in which

Keywords： reverse auction     loss aversion     winner determination     improved ant colony algorithm    

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Performance of landfill leachate treatment system with disc-tube reverse osmosis units

WANG Baozhen, LIU Shuo, LIU Yanping, LI Xiujin

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 1,   Pages 24-31 doi: 10.1007/s11783-008-0024-x

Abstract: Reverse osmosis system with the disc-tube module (DT-RO) was applied to treat landfill leachate on full

Keywords： chemical cleaning     product     organic     nitrogen     Effective    

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Fertilizer drawn forward osmosis as an alternative to 2nd pass seawater reverse osmosis: Estimation of

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1428-0

Abstract:

• The boron concentration in diluted DS can satisfy the irrigation water standard.

Keywords： Fertilizer drawn forward osmosis (FDFO)     Boron removal     Specific energy consumption (SEC)     Seawater reverse    

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Formation of reverse micelles in supercritical carbon dioxide and its thermodynamics

WEN Zhen, DANG Zhi, ZHU Zhixin, ZONG Minhua

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 3,   Pages 283-286 doi: 10.1007/s11705-007-0051-3

Abstract: sodium bis-(2-ethylhexyl) sulfosuccinate (AOT) and isooctyl phenol polyethoxylate (TX-10), could form reverseThe formation of reverse micelles is a spontaneous process thermodynamically.Specifically for the nonionic surfactant TX-10, the formation of reverse micelles is dependent on the

Keywords： micellization     surfactant AOT     TX-10     sulfosuccinate     solubilization    

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Feature extraction from slice data for reverse engineering

ZHANG Yingjie, LU Shangning

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 1,   Pages 25-31 doi: 10.1007/s11465-007-0004-z

Abstract: A new approach to feature extraction for slice data points is presented. The reconstruction of objects is performed as follows. First, all contours in each slice are extracted by contour tracing algorithms. Then the data points on the contours are analyzed, and the curve segments of the contours are divided into three categories: straight lines, conic curves and B-spline curves. The curve fitting methods are applied for each curve segment to remove the unwanted points with pre-determined tolerance. Finally, the features, which consist of the object and connection relations among them, are founded by matching the corresponding contours in adjacent slices, and 3D models are reconstructed based on the features. The proposed approach has been implemented in OpenGL, and the feasibility of the proposed method has been verified by several cases.

Keywords： feasibility     corresponding     B-spline     pre-determined tolerance     extraction    

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Title Author Date Type Operation

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

Journal Article

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

Journal Article

The application of membrane separation technology in solving water security problem

Hou Li´an,Zhang Lin

Journal Article

InterfacialpolymerizationinconstrictedzonetoinducedReverse osmosisandnanofiltrationmembranes orientedsynthesis

Tan Zhe,Gao Congjie

Journal Article

Centrifuge experiments for shallow tunnels at active reverse fault intersection

Mehdi SABAGH, Abbas GHALANDARZADEH

Journal Article

Self-healing polyamide reverse osmosis membranes with temperature-responsive intelligent nanocontainers

Journal Article

Tracing the impact of stack configuration on interface resistances in reverse electrodialysis by in situ

Journal Article

Preparation of reverse osmosis membrane with high permselectivity and anti-biofouling properties for

Journal Article

Efficient production of hydrogen peroxide in microbial reverse-electrodialysis cells coupled with thermolytic

Journal Article

Surface-tailoring chlorine resistant materials and strategies for polyamide thin film composite reverse

Journal Article

Winner determination problem with loss-averse buyers in reverse auctions

Xiaohu QIAN, Min HUANG, Yangyang YU, Xingwei WANG

Journal Article

Performance of landfill leachate treatment system with disc-tube reverse osmosis units

WANG Baozhen, LIU Shuo, LIU Yanping, LI Xiujin

Journal Article

Fertilizer drawn forward osmosis as an alternative to 2nd pass seawater reverse osmosis: Estimation of

Journal Article

Formation of reverse micelles in supercritical carbon dioxide and its thermodynamics

WEN Zhen, DANG Zhi, ZHU Zhixin, ZONG Minhua

Journal Article

Feature extraction from slice data for reverse engineering

ZHANG Yingjie, LU Shangning

Journal Article