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Reaction Liquide Liquide Gaz
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Book Synopsis Étude du transfert de matière gaz-liquide dans les systèmes gaz liquide-liquide by : Azzeddine Lekhal
Download or read book Étude du transfert de matière gaz-liquide dans les systèmes gaz liquide-liquide written by Azzeddine Lekhal and published by . This book was released on 1998 with total page 151 pages. Available in PDF, EPUB and Kindle. Book excerpt: LES REACTIONS POLYPHASIQUES SONT GENERALEMENT LIMITEES PAR LE TRANSFERT D'UN REACTIF VERS LA PHASE REACTIONNELLE. L'ACCELERATION DES VITESSES DE REACTION, PAR LE BIAIS D'UNE SECONDE PHASE DISPERSEE, A LIEU SELON DIFFERENTS MECANISMES PHYSIQUES QUI DEPENDENT DES PROPRIETES DE LA PHASE UTILISEE. PARMI CES PROPRIETES, NOUS POUVONS CITER LA SOLUBILITE DU REACTIF LIMITANT, SA DIFFUSIVITE, LA RETENTION DE LA PHASE DISPERSEE OU ENCORE LE COEFFICIENT D'ETALEMENT. LA CONNAISSANCE DE CE DERNIER PARAMETRE PERMET DE CONNAITRE LE COMPORTEMENT INTERFACIAL DE LA PHASE DISPERSEE. EN EFFET, UN COEFFICIENT D'ETALEMENT POSITIF CORRESPOND AU CAS OU LA PHASE DISPERSEE A TENDANCE A S'ETALER SUR LE GAZ, ALORS QU'AVEC UN COEFFICIENT D'ETALEMENT NEGATIF, LA PHASE DISPERSEE AURA PLUTOT TENDANCE A RESTER SOUS FORME DE GOUTTES. DEUX MODELES SONT PROPOSES AFIN DE MODELISER L'ABSORPTION DU GAZ DANS UN SYSTEME TRIPHASIQUE GAZ-LIQUIDE-LIQUIDE. DANS UN PREMIER TEMPS, NOUS AVONS DEVELOPPE UN MODELE PSEUDO-HOMOGENE, BASE SUR LA THEORIE DE RENOUVELLEMENT DE SURFACE, DANS LEQUEL SEUL LE CONTACT GAZ-PHASE CONTINUE EST CONSIDERE. LES DONNEES EXPERIMENTALES SONT ASSEZ BIEN DECRITES PAR CE MODELE POUR DES DISPERSIONS A COEFFICIENTS D'ETALEMENT NEGATIFS. UNE DEUXIEME ETAPE A CONSISTER A DEVELOPPER UN MODELE DANS LEQUEL SEUL LE CONTACT GAZ-PHASE DISPERSEE EST PRIS EN COMPTE. L'ACCELERATION DU TRANSFERT EST SURESTIMEE PAR CE MODELE MEME POUR DES DISPERSIONS A COEFFICIENTS D'ETALEMENT POSITIFS. POUR DE TELS SYSTEMES, NOUS AVONS PU MONTRE QU'UN RECOUVREMENT PARTIEL DE L'INTERFACE EST POSSIBLE. COMME DERNIERE ETAPE, NOUS AVONS COUPLE LE PREMIER MODELE AUX DONNEES CINETIQUES DE LA REACTION D'HYDROFORMYLATION DE L'OCTENE-1. LES VITESSES DE REACTIONS SONT PREDITES AVEC UNE ASSEZ BONNE PRECISION.
Book Synopsis Principes fondamentaux du génie des procédés et de la technologie chimique (2e éd.) by : FAUDUET Henri
Download or read book Principes fondamentaux du génie des procédés et de la technologie chimique (2e éd.) written by FAUDUET Henri and published by Lavoisier. This book was released on 2012-09-11 with total page 802 pages. Available in PDF, EPUB and Kindle. Book excerpt: Véritable traité de référence et guide pratique, Principes fondamentaux du génie des procédés et de la technologie chimique répertorie et analyse les principes de base incontournables pour réaliser des synthèses industrielles de produits chimiques. Il présente également les fondements de la qualité, de la sécurité et de l'environnement, notions indispensables à maîtriser avant de mettre en route et de conduire un procédé. Organisé en 3 parties, cet ouvrage rassemble toutes les notions théoriques et pratiques nécessaires aux chimistes avant d'industrialiser un procédé physique ou chimique. Il permet : d'assimiler les théories et concepts fondamentaux impliqués dans les procédés (grandeurs physicochimiques, bilans de matière et d'énergie, équilibres physiques et chimiques, etc.), illustrés par 54 exercices d'application. Un chapitre est également consacré à la mise en oeuvre des opérations chimiques en présentant les connaissances de base sur les réacteurs chimiques idéaux et industriels, sur la qualité, la sécurité et l'environnement, d'acquérir une méthodologie efficace pour la conduite de calculs de base à travers 84 exercices et problèmes de synthèse résolus issus de situations industrielles réelles et de la pratique professionnelle. De difficulté croissante et commentés pas à pas, ces exercices permettent de progresser et de vérifier ses acquis, de savoir interpréter et maîtriser les opérations physiques et chimiques les plus courantes. Totalement inédite, cette partie reposant sur des déterminations expérimentales présente des exemples de bilans effectués dans des opérations de séparation ou de synthèse chimique réalisées à l'échelon pilote (rappel des notions théoriques, description exhaustive du matériel utilisé et des opérations à effectuer, présentation et interprétation des résultats expérimentaux…). Enrichie de 26 annexes rassemblant les principales données utilisées et de deux index détaillés, cette nouvelle édition constitue un support indispensable pour les étudiants et enseignants en génie des procédés et en chimie industrielle des IUT, STS, licences et masters professionnels ainsi que des écoles d'ingénieurs. Il sera également utile aux ingénieurs et techniciens supérieurs travaillant dans les domaines production et R&D de l'industrie chimique.
Book Synopsis Chemical Reaction and Reactor Engineering by : James John Carberry
Download or read book Chemical Reaction and Reactor Engineering written by James John Carberry and published by CRC Press. This book was released on 2020-08-26 with total page 1086 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents an authoritative progress report that will remain germane to the topic and prove to be a substantial inspiration to further progress. It is valuable to academic and industrial practitioners of the art and science of chemical reaction and reactor engineering.
Book Synopsis Gas-liquid Reactions by : P. V. Danckwerts
Download or read book Gas-liquid Reactions written by P. V. Danckwerts and published by . This book was released on 1970 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Metal-Catalyzed Reactions in Water by : Pierre Dixneuf
Download or read book Metal-Catalyzed Reactions in Water written by Pierre Dixneuf and published by John Wiley & Sons. This book was released on 2013-01-17 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: Water is abundant in nature, non-toxic, non-flammable and renewable and could therefore be safer and economical for the chemical industry wherever it is used as a solvent. This book provides a comprehensive overview of developments in the use of water as a solvent for metal catalysis, illustrating the enormous potential of water in developing new catalytic transformations for fi ne chemicals and molecular materials synthesis. A group of international experts cover the most important metalcatalyzed reactions in water and bring together cutting-edge results from recent literature with the first-hand knowledge gained by the chapter authors. This is a must-have book for scientists in academia and industry involved in the fi eld of catalysis, greener organic synthetic methods, water soluble ligands and catalyst design, as well as for teachers and students interested in innovative and sustainable chemistry.
Book Synopsis Chemical Reactivity in Liquids by : Michael Moreau
Download or read book Chemical Reactivity in Liquids written by Michael Moreau and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 617 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding chemical reactivity has been the permanent concern of chemists from time immemorial. If we were able to understand it and express it quantitatively there would practically remain no unsolved mystery, and reactions would be fully predictable, with their products and rates and even side reactions. The beautiful developments of thermodynamics through the 19th century supplied us with the knowledge of the way a reactions progresses, and the statistical view initiated by Gibbs has progressively led to an unders tanding closer to the microscopic phenomena. But is was always evident to all that these advances still left our understanding of chemical reactivity far behind our empirical knowledge of the chemical reaction in its practically infinite variety. The advances of recent years in quantum chemistry and statistical mechanics, enhanced by the present availability of powerful and fast compu ters, are very fast changing this picture, and bringing us really close to a microscopic understanding of chemical equilibria, reaction rates, etc.... This is the reason why our Society encouraged a few years ago the initiative of Professor Savo Bratos who, with a group of French colleagues, prepared an impressive study on "Reactivite chimique en phase liquide", a prospective report which was jointly published by the Societe Fran
Book Synopsis Chemical Reaction Engineering and Reactor Technology by : Tapio O. Salmi
Download or read book Chemical Reaction Engineering and Reactor Technology written by Tapio O. Salmi and published by CRC Press. This book was released on 2011-07-01 with total page 638 pages. Available in PDF, EPUB and Kindle. Book excerpt: The role of the chemical reactor is crucial for the industrial conversion of raw materials into products and numerous factors must be considered when selecting an appropriate and efficient chemical reactor. Chemical Reaction Engineering and Reactor Technology defines the qualitative aspects that affect the selection of an industrial chemical reactor and couples various reactor models to case-specific kinetic expressions for chemical processes. Offering a systematic development of the chemical reaction engineering concept, this volume explores: Essential stoichiometric, kinetic, and thermodynamic terms needed in the analysis of chemical reactors Homogeneous and heterogeneous reactors Residence time distributions and non-ideal flow conditions in industrial reactors Solutions of algebraic and ordinary differential equation systems Gas- and liquid-phase diffusion coefficients and gas-film coefficients Correlations for gas-liquid systems Solubilities of gases in liquids Guidelines for laboratory reactors and the estimation of kinetic parameters The authors pay special attention to the exact formulations and derivations of mass energy balances and their numerical solutions. Richly illustrated and containing exercises and solutions covering a number of processes, from oil refining to the development of specialty and fine chemicals, the text provides a clear understanding of chemical reactor analysis and design.
Book Synopsis Aqueous Organometallic Chemistry and Catalysis by : István T. Horváth
Download or read book Aqueous Organometallic Chemistry and Catalysis written by István T. Horváth and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 317 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the NATO Advanced Research Workshop, Debrecen, Hungary, August 29--September 1, 1994
Book Synopsis Chemical Reaction Engineering and Reactor Technology, Second Edition by : Tapio O. Salmi
Download or read book Chemical Reaction Engineering and Reactor Technology, Second Edition written by Tapio O. Salmi and published by CRC Press. This book was released on 2019-07-11 with total page 684 pages. Available in PDF, EPUB and Kindle. Book excerpt: The role of the chemical reactor is crucial for the industrial conversion of raw materials into products and numerous factors must be considered when selecting an appropriate and efficient chemical reactor. Chemical Reaction Engineering and Reactor Technology defines the qualitative aspects that affect the selection of an industrial chemical reactor and couples various reactor models to case-specific kinetic expressions for chemical processes. Thoroughly revised and updated, this much-anticipated Second Edition addresses the rapid academic and industrial development of chemical reaction engineering. Offering a systematic development of the chemical reaction engineering concept, this volume explores: essential stoichiometric, kinetic, and thermodynamic terms needed in the analysis of chemical reactors homogeneous and heterogeneous reactors reactor optimization aspects residence time distributions and non-ideal flow conditions in industrial reactors solutions of algebraic and ordinary differential equation systems gas- and liquid-phase diffusion coefficients and gas-film coefficients correlations for gas-liquid systems solubilities of gases in liquids guidelines for laboratory reactors and the estimation of kinetic parameters The authors pay special attention to the exact formulations and derivations of mass energy balances and their numerical solutions. Richly illustrated and containing exercises and solutions covering a number of processes, from oil refining to the development of specialty and fine chemicals, the text provides a clear understanding of chemical reactor analysis and design.
Book Synopsis Activation Methods by : Jean-Philippe Goddard
Download or read book Activation Methods written by Jean-Philippe Goddard and published by John Wiley & Sons. This book was released on 2020-02-26 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: Activation Methods examines recent improvements in the utilization of ultrasonic waves and pressurized gases to generate reactions. A straightforward method to use, sonochemistry allows chemical reactions to be carried out under ultrasound without the need for external heat, reagents or catalysts – leading to high yields and the production of a minimum amount of waste. This book presents an overview of the main applications of sonochemistry in green organic chemistry, with an emphasis on texts published within the last few years. High-pressure chemical reactions offer innovative solutions to problems relating to synthesis. They allow access to new products and a further understanding of reaction mechanisms. This book presents the characteristics of hyperbaric activation, which allow the integration of an arsenal of tools for green chemistry, such as the lowering of energy costs and of by-products, as well as the possibility of using substrates that are sterically congested and generally inert.
Author :North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Propulsion and Energetics Panel Publisher : ISBN 13 : Total Pages :518 pages Book Rating :4.:/5 (318 download)
Book Synopsis Reactions Between Gases and Solids by : North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Propulsion and Energetics Panel
Download or read book Reactions Between Gases and Solids written by North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Propulsion and Energetics Panel and published by . This book was released on 1970 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Energy Terminology by : World Energy Conference
Download or read book Energy Terminology written by World Energy Conference and published by Elsevier. This book was released on 2013-10-22 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this new edition standard energy terms in worldwide use are presented in 19 sections collectively containing over 1300 terms covering both conventional and modern sources, technology, equipment and supply systems, in English, French, German and Spanish. Three new sections are introduced: Forecasting and Methodology, including general and more specific terms relating to quantitative economic energy forecasting; Uses of Energy, ranging from terms associated with consumers and energy supply to terms concerned with industrial and chemical usage; and Measurement and Control Technology, which covers instrumentation, techniques and safety terminology. Fully indexed and specially designed for rapid cross-reference, this glossary is a useful reference guide for all scientists, technical writers and economists with an interest in this field.
Download or read book Molten Salts XIV written by R. A. Mantz and published by The Electrochemical Society. This book was released on 2006 with total page 1118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Adsorption at the Gas-Solid and Liquid-Solid Interface by : Kenneth Sing
Download or read book Adsorption at the Gas-Solid and Liquid-Solid Interface written by Kenneth Sing and published by Elsevier. This book was released on 2009-06-04 with total page 525 pages. Available in PDF, EPUB and Kindle. Book excerpt: Adsorption at the Gas-Solid and Liquid-Solid Interface
Book Synopsis Chemical Reaction Engineering by : European Federation of Chemical Engineering
Download or read book Chemical Reaction Engineering written by European Federation of Chemical Engineering and published by . This book was released on 1957 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Chemical Reaction Engineering written by and published by . This book was released on 1965 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Annual tables of constants and numerical data chemical, physical, and technological by :
Download or read book Annual tables of constants and numerical data chemical, physical, and technological written by and published by . This book was released on 1926 with total page 1220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
