Gas Liquid Microreactors
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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 : 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)
Microreaction Technology
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Author : Wolfgang Ehrfeld
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Microreaction Technology written by Wolfgang Ehrfeld 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.
Microreaction technology is the logically consistent application of microsystem techniques in chemical reaction and process engineering. Miniaturization in this field is the strategy of success and requires the development of small, inexpensive, independent and versatile chemical reaction units. Microreaction technology is at present regarded as one of the fastest evolving and most promising disciplines in chemical engineering, combinatorial synthesis and analysis, pharmaceutical drug development and molecular biotechnology. A broad range of microstructurable materials is a prerequisite for microreaction technology and the development of microreactors goes hand in hand with the availability of a number of modem, versatile microfabrication technologies. Today, it is possible to manufacture tbree dimensional microstructures, almost without any restrictions with regard to design and choice of suitable materials, for various chemical applications -just in time to support the development of functional units for microreactors, e. g. micromixers, micro heat exchangers, micro extractors, units for phase transfer, reaction cham bers, intelligent fluidic control elements and microanalysis systems. The advantages of microreactors, e. g. the use of novel process routes, the re duction of reaction byproducts, the improvement of 'time to market', the high flexibility for all applications requiring modular solutions, have had a strong im pact on concepts of sustainable development. Many of the leading companies and research institutes in the world have recognized the tremendous possibilities of microreactor concepts and of their economic potential, and have thus initiated worldwide research and development activities.
Micro Process Engineering 3 Volume Set
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Author : Volker Hessel
language : en
Publisher: John Wiley & Sons
Release Date : 2009-03-23
Micro Process Engineering 3 Volume Set 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 2009-03-23 with Technology & Engineering categories.
This three-volume handbook provides an overview of the key aspects of micro process engineering. Volume 1 covers the fundamentals, operations and catalysts, volume 2 examines devices, reactions and applications, with volume 3 rounding off the trilogy with system, process and plant engineering. Fluid dynamics, mixing, heat/mass transfer, purification and separation microstructured devices and microstructured reactors are explained in the first volume. Volume 2 segments microreactor design, fabrication and assembly, bulk and fine chemistry, polymerisation, fuel processing and functional materials into understandable parts. The final volume of the handbook addresses microreactor systems design and scale-up, sensing, analysis and control, chemical process engineering, economic and eco-efficiency analyses as well as microreactor plant case studies in one book. Together, this 3-volume handbook explains the science behind micro process engineering to the scale-up and their real life industrial applications.
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.
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 Microreactors
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Author : Volker Hessel
language : en
Publisher:
Release Date : 2000
Gas Liquid Microreactors written by Volker Hessel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Chemical engineering categories.
Two Phase Flow Characteristics In Gas Liquid Microreactors
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Author : Severin Wälchli
language : en
Publisher:
Release Date : 2005
Two Phase Flow Characteristics In Gas Liquid Microreactors written by Severin Wälchli and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.
Kinetic Studies Of Gas Liquid Reactions In Capillary Microreactors
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Author : Chara Psyrraki
language : en
Publisher:
Release Date : 2015
Kinetic Studies Of Gas Liquid Reactions In Capillary Microreactors written by Chara Psyrraki and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
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.