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Languages : en
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This factsheet describes a research project that will focus on the development and application of nonporous high gas flux perfluoro membranes with high temperature rating and excellent chemical resistance.
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Languages : en
Pages :
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This factsheet describes a research project that will focus on the development and application of nonporous high gas flux perfluoro membranes with high temperature rating and excellent chemical resistance.
Author: Oscar Antonio Osegueda Chicas
Publisher:
ISBN:
Category :
Languages : en
Pages : 147
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"Los procesos de oxidación químicos son una herramienta universal para el tratamiento de aguas subterráneas, efluentes industriales y aguas residuales. Una de estas técnicas se basa en la generación de radicales hidroxilos (·OH), y se le conoce con el nombre de proceso de oxidación avanzada (AOP). Aunque dicho proceso es considerado una poderosa herramienta para la degradación de contaminantes, este enfrenta varias limitación prácticas especialmente en función del sistema seleccionado para la generación de los ·OH. El objetivo de este trabajo fue proponer y poner a prueba una estrategia novedosa con el fin de ampliar la aplicabilidad de la oxidación avanzada, integrando al sistema el uso de reactores de membrana catalítica (CMR). Los esfuerzos fueron enfocados en la aplicación de los CMRs para la oxidación de un compuesto orgánico modelo (fenol), utilizando peróxido de hidrogeno generado in situ como fuente de ·OH. Las características de los CMRs permiten la síntesis directa de H2O2" -- TDX.
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Languages : en
Pages : 33
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Significant progress was made in 1991 on the development of ceramic membranes as catalytic reactors. Efforts were focused on the design, construction and startup of a reactor system capable of duplicating relevant commercial operating conditions. With this system, yield enhancement was demonstrated for the dehydrogenation of ethylbenzene to styrene in a membrane reactor compared to the standard packed bed configuration. This enhancement came with no loss in styrene selectivity. During operation, coke deposition on the membrane was observed, but this deposition was mitigated by the presence of steam in the reaction mixture and a steady state permeability was achieved for run times in excess of 200 hours. Work began on optimizing the membrane reactor by exploring several parameters including the effect of N2 diluent in the reaction feed and the effect of a N2 purge on the permeate side of the membrane. This report details the experimental progress made in 1991. Interactions with the University of Wisconsin on this project are also summarized. Finally, current status of the project and next steps are outlined.
Author: Angelo Basile
Publisher: Elsevier
ISBN: 0128135506
Category : Technology & Engineering
Languages : en
Pages : 378
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Current Trends and Future Developments on (Bio-) Membranes: Photocatalytic Membranes and Photocatalytic Membrane Reactors offers a comprehensive review on the state-of-the-art in the area of PMs and PMRs. The book gives an overview of the basis of photocatalysis and membrane separation and the basic aspects of photocatalytic membranes and photocatalytic membrane reactors, along with their applications, modeling, and the economic aspects of PMs and PMRs. The book addresses the main issues associated with PMRs design and tries to predict how long it will be before laboratory scale models can be scaled to the PMR industry. Reviews new hybrid separation techniques based on photocatalysis and membranes Offers a detailed description of the various photocatalytic membrane reactors and their function Includes new membrane based separation techniques for the removal of emerging contaminants from water, such as pharmaceutical and personal care products Discusses numerous reactor configurations and various membrane materials for photocatalytic membranes Includes the modeling and economic aspects of various processes
Author: José G. Sanchez Marcano
Publisher: Wiley-VCH
ISBN: 9783527323623
Category : Technology & Engineering
Languages : en
Pages : 0
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Through and Complete Overview of the Entire Field of Catalytic Membrane Reactors Catalysis in membrane reactors is the subject of much research. During the past three decades, this technical concept has attracted substantial worldwide attention and process development efforts. Catalytic Membranes and Membrane Reactors covers this fascinating field and presents the key concepts and innovative ideas to the reader. It is based on a well-balanced multidisciplinary approach to appeal to a wide audience of readers. Sample topics discussed within the work include: Basic principles of membrane reactors The membrane reactor concept in a practical sense The multidisciplinary aspects of catalytic membranes and membrane reactors Emerging technologies and the latest research advances in the field This book serves as a reference for understanding and applying the membrane reactor concept to research or production. Chemical engineers, process engineers, and professionals in the chemical and biotechnological industries will find value in it.
Author: Basudeb Saha
Publisher: Walter de Gruyter GmbH & Co KG
ISBN: 3110390124
Category : Technology & Engineering
Languages : en
Pages : 399
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Book Description
Catalytic Reactors presents several key aspects of reactor design in Chemical and Process Engineering. Starting with the fundamental science across a broad interdisciplinary field, this graduate level textbook offers a concise overview on reactor and process design for students, scientists and practitioners new to the field. This book aims to collate into a comprehensive and well-informed work of leading researchers from north America, western Europe and south-east Asia. The editor and international experts discuss state-of-the-art applications of multifunctional reactors, biocatalytic membrane reactors, micro-flow reactors, industrial catalytic reactors, micro trickle bed reactors and multiphase catalytic reactors. The use of catalytic reactor technology is essential for the economic viability of the chemical manufacturing industry. The importance of Chemical and Process Engineering and efficient design of reactors are another focus of the book. Especially the combination of advantages from both catalysis and chemical reaction technology for optimization and intensification as essential factors in the future development of reactors and processes are discussed. Furthermore, options that can drastically influence reaction processes, e.g. choice of catalysts, alternative reaction pathways, mass and heat transfer effects, flow regimes and inherent design of catalytic reactors are reviewed in detail. Focuses on the state-of-the-art applications of catalytic reactors and optimization in the design and operation of industrial catalytic reactors Insights into transfer of knowledge from laboratory science to industry For students and researchers in Chemical and Mechanical Engineering, Chemistry, Industrial Catalysis and practising Engineers
Author: Aluminum Company of America
Publisher:
ISBN:
Category :
Languages : en
Pages : 33
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Author: Angelo Basile
Publisher: Elsevier
ISBN: 0128236604
Category : Technology & Engineering
Languages : en
Pages : 383
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Integrated Membrane Reactors explores recent developments and future perspectives in the area of membrane reactor (MR) systems. It includes fundamental principles, the different types of membrane materials (such as polymeric and inorganic), the different types of membrane reactors (such as Micro MRs, Enzymatic MRS, Photo-catalytic MRs, Pervaporation MRs, Electrochemical MRs, etc.), their industrial perspective and, finally, there also is an economic evaluation of the metallic MRs. The book provides an extensive review in the area of MRs for each kind of application present in the specialized literature and discusses their modelling and design approaches necessary for MR systems validation in achieving high conversions, energy savings, high yields and high hydrogen (or others) products of the reactions studied. Includes membrane preparation and characterization Describes all the kinds of membrane reactors today under study Focuses on many applications of membrane reactors in the area of chemical and biochemical engineering Discusses simulation of membrane reactors enabling their design Introduces the concepts of process intensification and process integration Illustrates all the advantages of membrane reactors with respect to the so-called traditional/convention reactor
Author: Angelo Basile
Publisher: John Wiley & Sons
ISBN: 1118906802
Category : Technology & Engineering
Languages : en
Pages : 348
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Book Description
Uniquely focussed on the engineering aspects of membrane reactors Provides tools for analysis with specific regard to sustainability Applications include water treatment, wastewater recycling, desalination, biorefineries, agro-food production Membrane reactors can bring energy saving, reduced environmental impact and lower operating costs
Author: G. Strukul
Publisher:
ISBN:
Category : Chemical engineering
Languages : en
Pages : 3
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