Transport de solutés par des microémulsions utilisées comme membranes liquides PDF Download
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Author: Aristotelis Xenakis (auteur d'une thèse de sciences.)
Publisher:
ISBN:
Category :
Languages : fr
Pages : 151
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Author: Aristotelis Xenakis (auteur d'une thèse de sciences.)
Publisher:
ISBN:
Category :
Languages : fr
Pages : 151
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Book Description
Author: Aristotelis Xénakis
Publisher:
ISBN:
Category :
Languages : fr
Pages : 186
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Book Description
Données sur l'utilisation des microémulsions comme des membranes liquides. Les microgouttelettes de la phase dispersée de la microémulsion peuvent jouer le rôle de transporteur de différentes substances. Ainsi les microémulsions huile-eau sont utilisées pour le transport de composés lipophiles, alors que les microémulsions eau-huile sont utilisées pour le transport de sels métalliques. On propose des modèles théoriques pour interprêter les faits observés. La technique développée est aussi utilisée pour l'extraction liquide-liquide des cations métalliques. La combinaison des microémulsions avec des réactifs d'extraction du type éther-couronne accélère fortement la cinétique du processus
Author: ABDELOUAHED.. DEROUICHE
Publisher:
ISBN:
Category :
Languages : fr
Pages :
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DES MICROEMULSIONS A BASE D'AOT OU DE TENSIOACTIFS NON IONIQUES (TYPE WII) SONT UTILISEES COMME VEHICULE POUR TRANSPORTER DES SOLUTES (PICRATE DE POTASSIUM, SELS DE NICKEL) ENTRE DEUX INTERFACES LIQUIDE-LIQUIDE. ON EXAMINE UN CERTAIN NOMBRE DE PARAMETRES QUI INFLUENT SUR LE FLUX DE SOLUTE TRANSPORTE ET ON MONTRE QUE LES DIFFERENTS MECANISMES DE TRANSFERT SONT POSSIBLES SUIVANT LA NATURE DU TENSIOACTIF. ON ETUDIE DE PLUS LE TANSPORT D'IONS METALLIQUES A TRAVERS LES MEMBRANES LIQUIDES COUPLANT LES MICRO-GOUTTELETTES AVEC UN EXTRACTANT LIPOPHILE (KELEX 100). ENFIN ON MONTRE QUE LA SOLUBILISATION MAXIMUM D'EAU SALEE DANS LES SYSTEMES AOT/DECANE EST CORRELEE AVEC UN PHENOMENE DE PERCOLATION DE CONDUCTIVITE
Author: William Gelbart
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 632
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Author: Monzer Fanun
Publisher: CRC Press
ISBN: 1420089609
Category : Science
Languages : en
Pages : 568
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Book Description
The effective use of microemulsions has increased dramatically during the past few decades as major industrial applications have expanded in a variety of fields. Microemulsions: Properties and Applications provides a complete and systematic assessment of all topics affecting microemulsion performance and discusses the fundamental characteristics, t
Author: Pau Loke Show
Publisher: Elsevier
ISBN: 0128223987
Category : Technology & Engineering
Languages : en
Pages : 330
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Book Description
Downstream bioprocesses have a significant role to play in the creation of a sustainable bio-based economy, enabling the creation of new products and systems from the more sustainable bioprocessing of natural products. Liquid Biphasic System: Fundamentals, Methods, and Applications in Bioseparation Technology explores in detail the fundamental processes and applications of this new separation system, aiding understanding of the basic principles of the technique and offering constructive criticisms on the latest findings.Including coverage of the background, principles, mechanisms, and applications, Liquid Biphasic System addresses how to adapt the technology for the purification of useful compounds with greater cost efficiency and greener processing. It is essential reading for bioprocess engineers, biochemical engineers, biosystem engineers, chemists and microbiologists working in the fields of bioprocessing. Researchers, scientists, and engineers concerned with the selection and evaluation of alternative bioseparation processes will find the book particularly useful. - Provides information and examples of advanced separations in a single source - Includes detailed descriptions of novel bioseparation systems - Covers the latest technologies related to advanced liquid–liquid separation and their applications in various industries
Author: Karlheinz Hill
Publisher: John Wiley & Sons
ISBN: 3527614680
Category : Science
Languages : de
Pages : 251
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Book Description
The first comprehensive survey on the uses of alkyl polyglycosides as renewable ressources for the chemical industry. Experts from industry show in detail how alkyl polyglycosides can help chemists to improve their products. Since quite a few years, renewable Ressources are of increasing interest for the chemical industry. Alkyl polyglycosides are among the frequently used substances produces from renewable ressorces. Their science as well as technological applications are described in this book competently and with a focus on industrial use.
Author: Ali Mohammad
Publisher: Springer Science & Business Media
ISBN: 9400717121
Category : Science
Languages : en
Pages : 440
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Book Description
The conventional solvents used in chemical, pharmaceutical, biomedical and separation processes represent a great challenge to green chemistry because of their toxicity and flammability. Since the beginning of “the 12 Principles of Green Chemistry” in 1998, a general effort has been made to replace conventional solvents with environmentally benign substitutes. Water has been the most popular choice so far, followed by ionic liquids, surfactant, supercritical fluids, fluorous solvents, liquid polymers, bio-solvents and switchable solvent systems. Green Solvents Volume I and II provides a throughout overview of the different types of solvents and discusses their extensive applications in fields such as extraction, organic synthesis, biocatalytic processes, production of fine chemicals, removal of hydrogen sulphide, biochemical transformations, composite material, energy storage devices and polymers. These volumes are written by leading international experts and cover all possible aspects of green solvents’ properties and applications available in today’s literature. Green Solvents Volume I and II is an invaluable guide to scientists, R&D industrial specialists, researchers, upper-level undergraduates and graduate students, Ph.D. scholars, college and university professors working in the field of chemistry and biochemistry.
Author: Johannes Fink
Publisher: Gulf Professional Publishing
ISBN: 0123838452
Category : Technology & Engineering
Languages : en
Pages : 809
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Book Description
Petroleum Engineer's Guide to Oil Field Chemicals and Fluids is a comprehensive manual that provides end users with information about oil field chemicals, such as drilling muds, corrosion and scale inhibitors, gelling agents and bacterial control. This book is an extension and update of Oil Field Chemicals published in 2003, and it presents a compilation of materials from literature and patents, arranged according to applications and the way a typical job is practiced. The text is composed of 23 chapters that cover oil field chemicals arranged according to their use. Each chapter follows a uniform template, starting with a brief overview of the chemical followed by reviews, monomers, polymerization, and fabrication. The different aspects of application, including safety and environmental impacts, for each chemical are also discussed throughout the chapters. The text also includes handy indices for trade names, acronyms and chemicals. Petroleum, production, drilling, completion, and operations engineers and managers will find this book invaluable for project management and production. Non-experts and students in petroleum engineering will also find this reference useful. - Chemicals are ordered by use including drilling muds, corrosion inhibitors, and bacteria control - Includes cutting edge chemicals and polymers such as water soluble polymers and viscosity control - Handy index of chemical substances as well as a general chemical index
Author: Laurier Lincoln Schramm
Publisher: Cambridge University Press
ISBN: 0521640679
Category : Science
Languages : en
Pages : 633
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Book Description
This 2000 book provides an introduction to the nature, occurrence, physical properties, propagation, and uses of surfactants in the petroleum industry.
