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Oikonomou E.K.,ESPCI ParisTech | Oikonomou E.K.,CNRS Complex Systems and Materials Laboratory | Karpati S.,ESPCI ParisTech | Gassara S.,Montpellier University | And 5 more authors.
Journal of Membrane Science | Year: 2017

Industrial hollow fiber membranes for the purification of wastewater were manufactured by the phase inversion method in a dry-wet spinning process, adding an amphiphilic diblock copolymer to a standard PVDF/Polyvinylpyrrolidone (PVP) formulation. The copolymer designed to provide antifouling properties is composed of a PMMA block and a hydrophilic block bearing pendent hydroxy groups. As PMMA is miscible with PVDF, the copolymer is expected to anchor in the matrix more efficiently than the hydrophilic but water soluble PVP which is washed away overtime during repetitive cleaning procedures. Infrared experiments attest that both antifouling additives are well included in the fibers after the inversion process. Performances of the fibers were checked by permeability, burst pressure and tensile tests. The pore distribution observed by scanning electron microscopy goes from 10 to 30 nm at the outer surface to 0.1–10 µm inside the fiber. Observation of the pore structure by transmission electron microscopy, made possible by embedding the fibers into a resin that filled in the voids, and specific staining of the antifouling additives, shows that both PVP and the amphiphilic copolymer are located all around the pores. This study is the first direct proof at the microscopic scale of pore surface enrichment by antifouling agents. © 2017 Elsevier B.V.


Research and Markets has announced the addition of the "Membrane Technology for Liquid and Gas Separations" report to their offering. The combined U.S. market for membranes used in liquid and gas separations should reach $4.6 billion by 2021 from $3.4 billion in 2016 at a compound annual growth rate (CAGR) of 6.2%, from 2016 to 2021. This report is primarily a study of the U.S. market, but due to the international presence of many industry participants, global activities are included where appropriate. Values are given in U.S. dollars, and revenue is counted at the manufacturer level. Forecasts are in constant U.S. dollars and growth rates are compounded. Five-year projections are provided for market activity and value. Industry structure, technological trends, pricing considerations, R&D, government regulations, company profiles and competitive technologies are included in the study. Only industrial-scale membrane products will be evaluated. No consumer products (i.e., point-of-use water systems) are included in the analysis. 1: Introduction - Study Goal And Objectives - Reasons For Doing The Study - Intended Audience - Scope Of Report - Information Sources 3: Industry Overview - History Of The Industry - Membrane Technology - Methods Of Filtration 4: Membrane Technology Types - Reverse Osmosis - Nanofiltration - Ultrafiltration - Microfiltration - Electrochemical Processes - Value Of The U.S. Market For Membrane Products Used In Liquid Separations By Membrane Type - Gas Separation - Pervaporation 5: Applications For Membrane Technology - Potable Water Production - Wastewater Treatment - Process-Water Treatment - Food And Beverage - Pharmaceuticals And Biotechnology - Other Industrial Liquid Separations - Industrial Gas Separations - 3M Purification - Advantec MFS Inc. - Air Liquide - Air Products And Chemicals Inc. - Alfa Laval - Amfor Inc. - Applied Membranes Inc. - Applied Membrane Technology - Aquamarijn Microfiltration BV - Aquaporin A/S - Asahi Kasei - Astom Corp. - Atech Innovations Gmbh - Berghof Filtrations Und Anlagentechnik Gmbh - BWT Group - Cameron International - Cantel Medical - Clean Membranes Inc. - Compact Membrane Systems - Daicen Membrane Systems Ltd. - Donaldson Co. - DOW Chemical Co. - Econity - Eltron Research & Development - Entegris Inc. - Evonik Industries AG - Evoqua Water Technologies - General Electric - Gea Westfalia Separator Group GMBH - Genesis Fueltech Inc. - GKN Sinter Metals Filters GMBH - Graver Technologies - Honeywell International - HY9 Corp. - Hydration Technology Innovations - Hydrogenics Corp. - Hyflux Ltd. - Imbrium Systems Corp. - Imtex Membranes Corp. - INGE GMBH - Innovative Gas Systems (Igs) - ITM Power Plc - ITN Nanovation AG - Jiangsu Jiuwu Hi-Tech Co. Ltd. - Koch Membrane Systems - Kubota Corp. - Lanxess AG - Lg Water Solutions - Mantec Technical Ceramics Ltd. - Markel Corp. - Media And Process Technology - Meissner Filtration Products Inc. - Membrana-Charlotte - Mempore Corp. - Membrane Technology & Research Inc. - Membranes International - Memstar Technology Ltd. - Microdyn-Nadir Gmbh - Milliporesigma - Mitsubishi Rayon Co. Ltd. - Mmf Maxflow Membran Filtration Gmbh - Mtb Technologies - Nanoasis - Natrix Separations - New Logic International - NGK Insulators Ltd. - Nitto Denko Corp. - Novasep Process - Oasys - Pall Corp. - Parker Hannifin Corp. - PCA-Polymerchemie Altmeier Gmbh Und Pccell Gmbh - Pentair Inc. - Permionics - Pervatech BV - Pionetics Corp. - Polyan Gmbh - Polymem S.A. - Porifera Inc. - Porvair Plc - Praxair Inc. - Prime Water Bvba - PWN Technologies - QUA Group - Reb Research And Consulting - Saes Pure Gas - Sartorius - Separation Dynamics Inc. - Simpore - Sinomem Technology. Ltd. - Snowpure Llc - Specialty Silicone Products Inc. - Spectrum Laboratories - Spintek Systems - Suez Environnement - Sulzer Chemtech Ltd. - Sumitomo Electric Industries - Synder Filtration - Synkera Technologies Inc. - T3 Scientific Llc - TAMI Industries - Tianjin Motimo Membrane Technology Ltd. - Tokuyama Corp. - Toray Industries - Toyobo Co. Ltd. - Trisep Corp. - UBE Industries - Ultura GMBH - Veolia Water - Voltea - W.L. Gore & Associates - Xylem - Yuasa Membrane Systems Co. Ltd. For more information about this report visit http://www.researchandmarkets.com/research/xwscxg/membrane


Dublin, Dec. 15, 2016 (GLOBE NEWSWIRE) -- Research and Markets has announced the addition of the "Membrane Technology for Liquid and Gas Separations" report to their offering. The combined U.S. market for membranes used in liquid and gas separations should reach $4.6 billion by 2021 from $3.4 billion in 2016 at a compound annual growth rate (CAGR) of 6.2%, from 2016 to 2021. This report is primarily a study of the U.S. market, but due to the international presence of many industry participants, global activities are included where appropriate. Values are given in U.S. dollars, and revenue is counted at the manufacturer level. Forecasts are in constant U.S. dollars and growth rates are compounded. Five-year projections are provided for market activity and value. Industry structure, technological trends, pricing considerations, R&D, government regulations, company profiles and competitive technologies are included in the study. Only industrial-scale membrane products will be evaluated. No consumer products (i.e., point-of-use water systems) are included in the analysis. Key Topics Covered: 1: Introduction - Study Goal And Objectives - Reasons For Doing The Study - Intended Audience - Scope Of Report - Information Sources 2: Executive Summary 3: Industry Overview - History Of The Industry - Membrane Technology - Methods Of Filtration 4: Membrane Technology Types - Reverse Osmosis - Nanofiltration - Ultrafiltration - Microfiltration - Electrochemical Processes - Value Of The U.S. Market For Membrane Products Used In Liquid Separations By Membrane Type - Gas Separation - Pervaporation 5: Applications For Membrane Technology - Potable Water Production - Wastewater Treatment - Process-Water Treatment - Food And Beverage - Pharmaceuticals And Biotechnology - Other Industrial Liquid Separations - Industrial Gas Separations 6: Patent Survey - Patents By Application - Patents By Company 7: Industry Structure - Mergers And Acquisitions - Company Profiles - 3M Purification - Advantec MFS Inc. - Air Liquide - Air Products And Chemicals Inc. - Alfa Laval - Amfor Inc. - Applied Membranes Inc. - Applied Membrane Technology - Aquamarijn Microfiltration BV - Aquaporin A/S - Asahi Kasei - Astom Corp. - Atech Innovations Gmbh - Berghof Filtrations Und Anlagentechnik Gmbh - BWT Group - Cameron International - Cantel Medical - Clean Membranes Inc. - Compact Membrane Systems - Daicen Membrane Systems Ltd. - Donaldson Co. - DOW Chemical Co. - Econity - Eltron Research & Development - Entegris Inc. - Evonik Industries AG - Evoqua Water Technologies - General Electric - Gea Westfalia Separator Group GMBH - Genesis Fueltech Inc. - GKN Sinter Metals Filters GMBH - Graver Technologies - Honeywell International - HY9 Corp. - Hydration Technology Innovations - Hydrogenics Corp. - Hyflux Ltd. - Imbrium Systems Corp. - Imtex Membranes Corp. - INGE GMBH - Innovative Gas Systems (Igs) - ITM Power Plc - ITN Nanovation AG - Jiangsu Jiuwu Hi-Tech Co. Ltd. - Koch Membrane Systems - Kubota Corp. - Lanxess AG - Lg Water Solutions - Mantec Technical Ceramics Ltd. - Markel Corp. - Media And Process Technology - Meissner Filtration Products Inc. - Membrana-Charlotte - Mempore Corp. - Membrane Technology & Research Inc. - Membranes International - Memstar Technology Ltd. - Microdyn-Nadir Gmbh - Milliporesigma - Mitsubishi Rayon Co. Ltd. - Mmf Maxflow Membran Filtration Gmbh - Mtb Technologies - Nanoasis - Natrix Separations - New Logic International - NGK Insulators Ltd. - Nitto Denko Corp. - Novasep Process - Oasys - Pall Corp. - Parker Hannifin Corp. - PCA-Polymerchemie Altmeier Gmbh Und Pccell Gmbh - Pentair Inc. - Permionics - Pervatech BV - Pionetics Corp. - Polyan Gmbh - Polymem S.A. - Porifera Inc. - Porvair Plc - Praxair Inc. - Prime Water Bvba - PWN Technologies - QUA Group - Reb Research And Consulting - Saes Pure Gas - Sartorius - Separation Dynamics Inc. - Simpore - Sinomem Technology. Ltd. - Snowpure Llc - Specialty Silicone Products Inc. - Spectrum Laboratories - Spintek Systems - Suez Environnement - Sulzer Chemtech Ltd. - Sumitomo Electric Industries - Synder Filtration - Synkera Technologies Inc. - T3 Scientific Llc - TAMI Industries - Tianjin Motimo Membrane Technology Ltd. - Tokuyama Corp. - Toray Industries - Toyobo Co. Ltd. - Trisep Corp. - UBE Industries - Ultura GMBH - Veolia Water - Voltea - W.L. Gore & Associates - Xylem - Yuasa Membrane Systems Co. Ltd. For more information about this report visit http://www.researchandmarkets.com/research/s5fpvr/membrane


Chabanon E.,French National Center for Scientific Research | Kimball E.,TNO | Favre E.,French National Center for Scientific Research | Lorain O.,Polymem | And 4 more authors.
Oil and Gas Science and Technology | Year: 2014

Membrane contactors have been proposed for decades as a way to achieve intensified mass transfer processes. Post-combustion CO2capture by absorption into a chemical solvent is one of the currently most intensively investigated topics in this area. Numerous studies have already been reported, unfortunately almost systematically on small, laboratory scale, modules. Given the level of flue gas flow rates which have to be treated for carbon capture applications, a consistent scale-up methodology is obviously needed for a rigorous engineering design. In this study, the possibilities and limitations of scale-up strategies for membrane contactors have been explored and will be discussed. Experiments (CO2absorption from a gas mixture in a 30%wt MEA aqueous solution) have been performed both on mini-modules and at pilot-scale (10 m2 membrane contactor module) based on PTFE hollow fibers. The results have been modeled utilizing a resistance in series approach. The only adjustable parameter is in fitting the simulations to experimental data is the membrane mass transfer coefficient (km), which logically plays a key role. The difficulties and uncertainties associated with scaleup computations from lab scale to pilot-scale modules, with a particular emphasis on the km value, are presented and critically discussed. © 2013, IFP Energies nouvelles.


Porcheron F.,French Institute of Petroleum | Ferre D.,French Institute of Petroleum | Favre E.,University of Lorraine | Nguyen P.T.,University of Lorraine | And 3 more authors.
Energy Procedia | Year: 2011

Post combustion Carbon Capture and Storage technology (CCS) is viewed as an efficient solution to reduce CO 2 emissions of coal-fired power stations. In CCS, an aqueous amine solution can be used as a chemical solvent to selectively remove CO 2 from the gas stream. The gas/liquid contact is performed within an absorption tower consisting of a packed column over which the absorption liquid and gas are flowing counter currently. The large active area required for CO 2 mass transfer efficiency from the gas into the liquid induces the use of large absorption tower, which drastically increases the cost of the process. An alternative technology to packed column is using hollow fibers membrane contactors (HFMC) as they offer attractive potentialities for intensified gas absorption processes. This holds especially for post combustion CO 2 capture application, for which a significant decrease of the size of the absorber or stripper unit could be of great interest. The aim of this work is to identify a suitable membrane material through lab-scale measurements to design a pilot-scale hollow fiber membrane contactor module. © 2011 Published by Elsevier Ltd.

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