Microreactors For Gas Liquid Reactions
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Microreactors For Gas Liquid Reactions
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Author : Kristin Hecht
language : en
Publisher: Western Engineering, Inc.
Release Date : 2014-01-01
Microreactors For Gas Liquid Reactions written by Kristin Hecht and has been published by Western Engineering, Inc. this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-01-01 with Technology & Engineering categories.
The widespread adoption of microreactors has been hindered by a lack of knowledge regarding rules and parameters needed for their design. This dissertation deals with the investigation of interfacial area and liquid mass transport in microreactors for gas/liquid reactions. Observations of a reduction in conversion occurring when changing from a glass laboratory device to a stainless steel process device motivated investigations into the effect of material and surface properties on the gas/liquid flow and reaction. This work takes a look inside the machined microstructures produced at the Institute for Micro Process Engineering of the Karlsruhe Institute of Technology and investigates the nature of the solid surfaces resulting from the machining process—the surface roughness and the contact angle of the resulting surface. The effect of wettability on gas/liquid flow in microreactors has been investigated in capillaries of various materials. The absorption of carbon dioxide into aqueous solutions of sodium hydroxide has been used to investigate gas/liquid flow and reaction in capillaries and in a microstructured falling film reactor. Under certain limiting assumptions depending upon the exact rates of reaction and transport, values of the interfacial area and liquid mass transport coefficient can be derived from measurements of reaction. This dissertation contributes a small step towards a better understanding of how measurements of the interfacial area and mass transfer coefficient can be performed, demonstrates why the effect of material wettability cannot be ignored, and provides a stronger basis for further work in the development of general correlations describing microstructured gas/liquid reactors.
Chemical Micro Process Engineering
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Author : Volker Hessel
language : en
Publisher: John Wiley & Sons
Release Date : 2004-04-12
Chemical Micro Process Engineering written by Volker Hessel and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-04-12 with Science categories.
A MULTI-FACETED, HIERARCHIC ANALYSIS OF CHEMICAL MICRO PROCESS TECHNOLOGY Micro Reactor Differentiation and Process Intensification Consequences of Chemical Micro Processing Physical and Chemical Implications Impact on Chemical Engineering Impact on Process Engineering Impact on Process Results Impact on Society and Ecology Impact on Economy Application Fields and Markets of Micro Reactors MODELLING AND SIMULATION OF MICRO REACTORS Flow Phenomena on the Microscale Methods of Computational Fluid Dynamics Flow Distributions Heat Transfer Mass Transfer and Mixing Reaction Kinetics and Modelling Free Surface Flow Flow in Porous Media GAS-PHASE REACTIONS Catalyst Coatings in Micro Channels Micro Reactors for Gas-Phase Reactions Oxidations Hydrogenations Dehydrogenations Substitutions Eliminations Additions and Coupling Reactions LIQUID- AND LIQUID/LIQUID-PHASE REACTIONS Micro Reactors for Liquid-Phase and Liquid/Liquid-Phase Recations Aliphatic Nucleophilic and Electrophilic Substitution such as Esterification, Acylation of Amines, Thiocyanation, and much more Aromatic Electrophilic and Nucleophilic Substitution such as Nitrations, Amino-de-halogenations, Diazo Chemistry, and much more Metal-catalysed Aromatic Substitution such as Suzuki and Sonogashira Couplings, and more Free Radical Substitution such as Alkane Nitration Addition to Carbon-Carbon and Carbon-hetero Multiple Bonds such as the Michael Addition, the Diels-Alder-Reaction, the Aldol Reaction, and much more Oxidations and Reductions Eliminations and Rearrangements Inorganic Reactions such as the Belousov-Zhabotinskii-Reaction, Complex Formations, and much more GAS/LIQUID CONTACTING Micro Reactors for Gas/Liquid Contacting Aromatic Electrophilic Substitution such as Direct Fluorinations Free Radical Substitution such as Alkane Fluorinations and Chlorinations Addition to Carbon-Carbon and Carbon-hetero Multiple Bonds such as Nitro-group Hydrogenation, Cycloalkane Hydrogenation, and more Oxidations and Reductions such as Alcohol Oxidation, Photo Diels-Alder Reactions, and more Inorganic Reactions such as Sulfite Oxidation.
Microreactors
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Author : Wolfgang Ehrfeld
language : en
Publisher:
Release Date : 2000
Microreactors written by Wolfgang Ehrfeld and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Bioreactors categories.
Presents general aspects of microreaction technology. Discusses in detail microfabrication techniques, micromixers, micro heat exchangers, microseparation systems, micosystems for liquid and gas phase reactions, gas/liquid microreactors, and microsystems for energy generation, catalyst, and material screening.
Chemical Micro Process Engineering
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Author : Volker Hessel
language : en
Publisher: John Wiley & Sons
Release Date : 2006-03-06
Chemical Micro Process Engineering written by Volker Hessel and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-03-06 with Science categories.
Micro process engineering is approaching both academia and industry. With the provision of micro devices and systems by commercial suppliers, one main barrier for using these units has been eliminated. More and more they become familiar, thereby being one facet of the upheaval in chemical industry. This book focuses on processes rather than on devices: what is 'before' and 'behind' micro device fabrication. A comprehensive and detailed overview is given on: - A multi-faceted, hierarchic analysis of chemical micro process technology - Modelling and simulation of micro reactors - Liquid- and liquid/liquid-phase reactions - Gas/liquid reactions - Gas-phase reactions (heterogeneous catalysis)
Microreactors In Organic Synthesis And Catalysis
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Author : Thomas Wirth
language : en
Publisher: John Wiley & Sons
Release Date : 2008-05-05
Microreactors In Organic Synthesis And Catalysis written by Thomas Wirth and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-05-05 with Science categories.
This one-stop reference is the first book on this emerging and rapid developing field with a focus on synthesis and catalysis. As such, it covers all aspects from academia and industry in a clearly structured way. Leading experts provide the background information as an initial aid for newcomers to the field, while chapters on different reaction types and industrial applications make this an equally vital resource for specialists. From the contents: - Introduction and background - Fabrication of microractors - Properties and use of microreactors - Organic chemistry in microreactors - Homogeneous reactions (including photochemical and electrochemical reactions) - Heterogeneous reactions - Biphasic reactions (liquid/liquid, liquid/gas) - Bioorganic reactions - Industrial applications Thomas Wirth is Professor of Organic Chemistry at Cardiff University in Wales. After a postdoctoral stay with Kaoru Fuji at Kyoto University as a JSPS fellow, he started his independent research in the group of Bernd Giese in Basel, Switzerland. He was invited as a visiting professor to various places: University of Toronto, Canada (1999), Chuo University in Tokyo, Japan (2000), Osaka University, Japan (2004). He was awarded the Werner-Prize from the New Swiss Chemical Society in 2000. He is the author of about 80 publications and has written or edited 4 books.
Chemical Reactors For Gas Liquid Systems
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Author : František Kaštánek
language : en
Publisher: Prentice Hall
Release Date : 1993
Chemical Reactors For Gas Liquid Systems written by František Kaštánek and has been published by Prentice Hall this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Science categories.
Originating from a research programme carried out at the Institute of Chemical Process Fundamentals, Prague, this volume aims to provide a review of current knowledge in the field of gas-liquid reactors, relating the results of theoretical studies to practical reactor design.
Microreaction Technology
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Author : M. Matlosz
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Microreaction Technology written by M. Matlosz and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
IMRET 5 featured more than 80 oral and poster communications, covering the entire interdisciplinary field from design, production, modeling and characterization of microreactor devices to application of microstructured systems for production, energy and transportation, including many analytical and biological applications. A particularly strong topic was the investigation of the potential of microstructuring of reactors and systems components for process intensification. Perspectives of combining local, in situ, data acquisition with appropriate microstructuring of actuators and components within chemical and biological devices were explored in order to enhance process performance and facilitate process control.
Design And Engineering Of Microreactor And Smart Scaled Flow Processes
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Author : Volker Hessel
language : en
Publisher: MDPI
Release Date : 2018-10-08
Design And Engineering Of Microreactor And Smart Scaled Flow Processes written by Volker Hessel and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-10-08 with Technology & Engineering categories.
This book is a printed edition of the Special Issue "Design and Engineering of Microreactor and Smart-Scaled Flow Processes" that was published in Processes
Gas Liquid Solid Reactor Design
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Author : Yatish T. Shah
language : en
Publisher:
Release Date : 1978
Gas Liquid Solid Reactor Design written by Yatish T. Shah and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Technology & Engineering categories.
Microreactor Technology And Process Intensification
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Author : Yong Wang
language : en
Publisher:
Release Date : 2005
Microreactor Technology And Process Intensification written by Yong Wang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Language Arts & Disciplines categories.
Microreaction technology, with its unprecedented heat and mass transfer advantages as well as uniform residence time and flow pattern, is one of the few technologies with potential to develop efficient, environmentally benign, and compact processes. Novel fabrication and processing techniques, equipment, and operational methods are resulting in spectacular developments that go beyond "traditional" chemical engineering. These new developments promise improvements in process plants, and lead to the transformation of our concept of chemical plants into compact, safe, energy-efficient, and environmentally sustainable processes. Microsystems are now available in many devices for commercial applications including: micromixers and microreactors as alternative to batch production in pharmaceutical and fine chemical industry, lab-on-chip devices, microsensors, advanced rapid throughput chemical and catalyst screening tools (e.g. combi), distributed or portable power and chemical production, distributed heating and cooling, and even out of this world applications with NASA. A wide diversity of subjects are discussed in this book ranging from catalysis to fuel processing to combinatorial techniques to separations to novel reactors all of which are enabled by microtechnology principles. World renowned pioneers (Klavs Jensen, Volker Hessel, Jennifer Holmgren, and Galip Akay) provide accounts on both historical developments and the current state of the art as well as insights into future research and development in microreactor and process intensification. Research and developments are presented by industry, universities, U.S. National Laboratories, and other laboratories located in the United States and throughout the world. It is composed of peer-reviewed chapters from both contributing and invited authors. The review and original research topics include (1) introductory and general overviews, (2) microreactors- including catalysts for microreactors, fuel processors, milli-second contact time catalysis, gas to liquid technology, and biomass conversion; and (3) process intensification such as micro mixers, reactive membranes, and intensification of separation operations.