Nanoparticules Metalliques En Milieu Glycerol

Download Nanoparticules Metalliques En Milieu Glycerol full books in PDF, epub, and Kindle. Read online Nanoparticules Metalliques En Milieu Glycerol ebook anywhere anytime directly on your device. Fast Download speed and no annoying ads. We cannot guarantee that every ebooks is available!

Nanoparticules métalliques en milieu glycérol

Author : Faouzi Chahdoura
Publisher :
ISBN 13 :
Total Pages : 341 pages
Book Rating : 4.:/5 (93 download)

DOWNLOAD NOW!

Book Synopsis Nanoparticules métalliques en milieu glycérol by : Faouzi Chahdoura

Download or read book Nanoparticules métalliques en milieu glycérol written by Faouzi Chahdoura and published by . This book was released on 2014 with total page 341 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dans le souci actuel lié à la conception de procédés " propres ", le choix des solvants représente un important défi d'un point de vue économique et environnemental (le marché mondial des solvants devrait atteindre environ 20 millions de tonnes d'ici 2015). En conséquence, la conception de solvants verts devient crucial pour l'industrie chimique ; ils résultent des principaux critères suivants : i) l'utilisation de matières premières renouvelables, ii) la faible émission de COV, iii) une faible inflammabilité et iv) la compatibilité des groupes fonctionnels. Dans ce contexte, le glycérol représente un solvant innovant en provenance de la biomasse et est obtenu en quantités élevées comme sous-produit de la production de biodiesel. Son faible coût, sa non-toxicité, son haut point d'ébullition, sa pression de vapeur négligeable, sa capacité de solubilisation de composés organiques et inorganiques, ainsi que sa faible miscibilité avec les autres solvants organiques constituent des propriétés particulièrement intéressantes pour les applications en catalyse. Au cours de cette thèse, nous nous sommes intéressés à la conception de nouveaux systèmes catalytiques en milieu glycérol à base de nanoparticules métalliques (nanoparticules de palladium et d'oxyde de cuivre(I)) et également à base de complexes organométalliques homogènes, notamment des catalyseurs de rhodium. Ces systèmes se sont révélés efficaces pour différentes réactions telles que les couplages C-C et C-hétéroatome, l'hydrogénation, la réaction de Huisgen 1,3-dipolaire, la carbocyclisation ou d'hydroaminométhylation, pouvant être recyclés plus de 10 fois sans perte d'activité, ni de sélectivité. Des processus tandem et séquentiels ont pu être également développés pour la synthèse d'hétérocycles.

Nanoparticules (Bi)métalliques Dans Le Glycérol

Author : Trung Dang Bao
Publisher :
ISBN 13 :
Total Pages : 296 pages
Book Rating : 4.:/5 (19 download)

DOWNLOAD NOW!

Book Synopsis Nanoparticules (Bi)métalliques Dans Le Glycérol by : Trung Dang Bao

Download or read book Nanoparticules (Bi)métalliques Dans Le Glycérol written by Trung Dang Bao and published by . This book was released on 2018 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal nanoparticles (MNPs) applied in catalysis represent an attractive field due to their interesting physical and chemical properties. Besides, the addition of another metal to the host metal in the same entity (bimetallic nanoparticles, BMNPs) can trigger changes in electronic properties (charge transfer, orbital hybridization, etc.) and/or geometric features (alloy, core-shell, heterodimers, etc.), inducing modifications in their catalytic behavior, in terms of activity, selectivity, robustness, or even leading to new reactivity. Concerning the solvent, glycerol, showing a complex supramolecular structure, favors the dispersion of metal nanoparticles, avoiding their agglomeration and then facilitating the recycling of catalytic phase. Small and spherical zero-valent copper nanoparticles (CuNPs) immobilized in glycerol were synthesized using poly(vinylpyrrolidone) (PVP) as stabilizer under hydrogen pressure. CuNPs dispersed in glycerol proved to be a robust and versatile catalyst for a diversity of C-N bond formation reactions, synthesis of di- (via cross-dehydrogenative coupling), tri- (via aldehydeamine- alkyne A3 coupling) and tetra-substituted propargylic amines (via ketone-amine-alkyne KA2 coupling) as well as different types of heterocycles, in particular indolizines, benzofurans and quinolines, by tandem A3-cycloisomerization processes using ortho-functionalized benzaldehydes as substrates. Interestingly, the catalytic glycerol phase could be recycled more than five times in C-N bond formation and A3 coupling reactions, preserving their reactivity, without detecting a significant copper content in the extracted organic products. Bimetallic palladium-copper nanoparticles (PdCuNPs) dispersed in glycerol were prepared by co-reduction methodology. Depending on the different metal ratios used, Pd nanoparticles coated by Cu (Pd/Cu = 1/1), random alloy (Pd/Cu = 1/2) or mainly mixture of monometallic nanoparticles (Pd/Cu = 2/1) were obtained. By a sequential way of synthesis, a mixture of monometallic nanoparticles was mainly observed. In terms of reactivity, the effect of one metal to other one, on catalytic activity and selectivity was evaluated. The structure of the different PdCuNPs was also confirmed by the observed reactivity in the selective formation of alkenes by hydrogenation of alkynes, proving that Pd1Cu1 and Pd1Cu2 correspond to bimetallic structures. Besides, the influence of Pd incorporated into Cu on azide-alkyne cycloaddition (CuAAC) was also studied. Interestingly, Pd1Cu1 in glycerol were applied in one-pot processes acting as multitask catalytic system, involving CuAAC and Pd-catalyzed C-C cross couplings (Sonogashira, Suzuki-Miyaura and Heck). Thanks to the different rates between CuAAC and C-C couplings, these tandem processes permitted to obtain the desired products in high yields. Furthermore, Rh-catalyzed hydroaminomethylation of olefins, in order to synthesize amines, could be carried out in glycerol, generally showing a better reactivity compared to common organic solvents. These preliminary encouraging results permit to plan the design of a new biphasic system, including the recycling of the catalytic phase.

Plastic Packaging

Author : Otto G. Piringer
Publisher : John Wiley & Sons
ISBN 13 : 3527621431
Total Pages : 632 pages
Book Rating : 4.5/5 (276 download)

DOWNLOAD NOW!

Book Synopsis Plastic Packaging by : Otto G. Piringer

Download or read book Plastic Packaging written by Otto G. Piringer and published by John Wiley & Sons. This book was released on 2008-06-25 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plastics are the most important class of packaging materials. This successful handbook, now in its second edition, covers all important aspects of plastic packaging and the interdisciplinary knowledge needed by food chemists, pharmaceutical chemists, food technologists, materials scientists, process engineers, and product developers alike. This is an indispensable resource in the search for the optimal plastic packaging. Materials characteristics, additives and their effects, mass transport phenomena, quality assurance, and recent regulatory requirements from FDA and European Commission are covered in detail with ample data.

Aqueous Organometallic Catalysis

Author : Ferenc Joo
Publisher : Springer Science & Business Media
ISBN 13 : 1402001959
Total Pages : 307 pages
Book Rating : 4.4/5 (2 download)

DOWNLOAD NOW!

Book Synopsis Aqueous Organometallic Catalysis by : Ferenc Joo

Download or read book Aqueous Organometallic Catalysis written by Ferenc Joo and published by Springer Science & Business Media. This book was released on 2001-11-30 with total page 307 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past 20 years aqueous organometallic catalysis has found applications in small- scale organic synthesis in the laboratory, as well as in the industrial production of chemicals with a combined output close to one million tons per year. Aqueous/organic two-phase reactions allow easy product-catalyst separation and full catalyst recovery which mean clear benefits not only in economic but also in environmental and green chemistry contexts. Instead of putting together a series of expert reviews of specialized fields, this book attempts to give a comprehensive yet comprehensible description of the various catalytic transformations in aqueous systems as seen by an author who has been working on aqueous organometallic catalysis since its origin. Emphasis is put on the discussion of differences between related non-aqueous and aqueous processes due to the presence of water. The book will be of interest to experts and students working in catalysis, inorganic chemistry or organic synthesis, and may serve as a basis for advanced courses.

ICREEC 2019

Author : Ahmed Belasri
Publisher : Springer Nature
ISBN 13 : 9811554447
Total Pages : 659 pages
Book Rating : 4.8/5 (115 download)

DOWNLOAD NOW!

Book Synopsis ICREEC 2019 by : Ahmed Belasri

Download or read book ICREEC 2019 written by Ahmed Belasri and published by Springer Nature. This book was released on 2020-06-10 with total page 659 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights peer reviewed articles from the 1st International Conference on Renewable Energy and Energy Conversion, ICREEC 2019, held at Oran in Algeria. It presents recent advances, brings together researchers and professionals in the area and presents a platform to exchange ideas and establish opportunities for a sustainable future. Topics covered in this proceedings, but not limited to, are photovoltaic systems, bioenergy, laser and plasma technology, fluid and flow for energy, software for energy and impact of energy on the environment.

Aerogels Handbook

Author : Michel Andre Aegerter
Publisher : Springer Science & Business Media
ISBN 13 : 1441975896
Total Pages : 929 pages
Book Rating : 4.4/5 (419 download)

DOWNLOAD NOW!

Book Synopsis Aerogels Handbook by : Michel Andre Aegerter

Download or read book Aerogels Handbook written by Michel Andre Aegerter and published by Springer Science & Business Media. This book was released on 2011-06-10 with total page 929 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aerogels are the lightest solids known. Up to 1000 times lighter than glass and with a density as low as only four times that of air, they show very high thermal, electrical and acoustic insulation values and hold many entries in Guinness World Records. Originally based on silica, R&D efforts have extended this class of materials to non-silicate inorganic oxides, natural and synthetic organic polymers, carbon, metal and ceramic materials, etc. Composite systems involving polymer-crosslinked aerogels and interpenetrating hybrid networks have been developed and exhibit remarkable mechanical strength and flexibility. Even more exotic aerogels based on clays, chalcogenides, phosphides, quantum dots, and biopolymers such as chitosan are opening new applications for the construction, transportation, energy, defense and healthcare industries. Applications in electronics, chemistry, mechanics, engineering, energy production and storage, sensors, medicine, nanotechnology, military and aerospace, oil and gas recovery, thermal insulation and household uses are being developed with an estimated annual market growth rate of around 70% until 2015. The Aerogels Handbook summarizes state-of-the-art developments and processing of inorganic, organic, and composite aerogels, including the most important methods of synthesis, characterization as well as their typical applications and their possible market impact. Readers will find an exhaustive overview of all aerogel materials known today, their fabrication, upscaling aspects, physical and chemical properties, and most recent advances towards applications and commercial products, some of which are commercially available today. Key Features: •Edited and written by recognized worldwide leaders in the field •Appeals to a broad audience of materials scientists, chemists, and engineers in academic research and industrial R&D •Covers inorganic, organic, and composite aerogels •Describes military, aerospace, building industry, household, environmental, energy, and biomedical applications among others

Aqueous-Phase Organometallic Catalysis

Author : Boy Cornils
Publisher : John Wiley & Sons
ISBN 13 : 3527605460
Total Pages : 780 pages
Book Rating : 4.5/5 (276 download)

DOWNLOAD NOW!

Book Synopsis Aqueous-Phase Organometallic Catalysis by : Boy Cornils

Download or read book Aqueous-Phase Organometallic Catalysis written by Boy Cornils and published by John Wiley & Sons. This book was released on 2006-03-06 with total page 780 pages. Available in PDF, EPUB and Kindle. Book excerpt: Now in its second completely revised and expanded edition. Written by the renowned editors B. Cornils and W. A. Herrmann, this book presents every important aspect of aqueous-phase organometallic catalysis, a method which saves time, waste and money. The large-scale application of this "green" technology in chemical industry clearly underlines its practical use outside of academia. New chapters (for example "Organic Chemistry in Water"), 20% more content and fully updated contributions from a plethora of international authors make this book a "must-have" for everyone working in this field. From the reviews of the first edition: "This overview will be extremely useful for everyone active in this field [...]" Angewandte Chemie "This book is an essential in any chemical research library and I strongly recommend it to all synthetic research and teaching chemists. [...]" The Alchemist "The editors are to be congratulated on assembling such a wide range of contributors who have described the industrial as well as the academic aspects of the subject." [...] Journal of Organometallic Chemistry

Catalyst Separation, Recovery and Recycling

Author : David J. Cole-Hamilton
Publisher : Springer Science & Business Media
ISBN 13 : 9781402040863
Total Pages : 270 pages
Book Rating : 4.0/5 (48 download)

DOWNLOAD NOW!

Book Synopsis Catalyst Separation, Recovery and Recycling by : David J. Cole-Hamilton

Download or read book Catalyst Separation, Recovery and Recycling written by David J. Cole-Hamilton and published by Springer Science & Business Media. This book was released on 2006-01-13 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book looks at new ways of tackling the problem of separating reaction products from homogeneous catalytic solutions. The new processes involve low leaching supported catalysts, soluble supports such as polymers and dendrimers and unusual solvents such as water, fluorinated organics, ionic liquids and supercritical fluids. The advantages of the different possibilities are discussed alongside suggestions for further research that will be required for commercialisation. Unlike other books, in addition to the chemistry involved, the book looks at the process design that would be required to bring the new approaches to fruition. Comparisons are given with existing processes that have already been successfully applied and examples are given where these approaches are not suitable. The book includes: - New processes for the separation of products from solutions containing homogeneous catalysts - Catalysts on insoluble or soluble supports – fixed bed catalysts - continuous flow or ultrafiltration - Biphasic systems: water - organic, fluorous - organic, ionic liquid – organic, supercritical fluids (monophasic or biphasic with water, organic or ionic liquid) - Comparisons with current processes involving atmospheric or low temperature distillation - Consideration of Chemistry and Process Design - Advantages and disadvantages of each process exposed - Consideration of what else is need for commercialisation

Green Solvents I

Author : Ali Mohammad
Publisher : Springer Science & Business Media
ISBN 13 : 9400717121
Total Pages : 440 pages
Book Rating : 4.4/5 (7 download)

DOWNLOAD NOW!

Book Synopsis Green Solvents I by : Ali Mohammad

Download or read book Green Solvents I written by Ali Mohammad and published by Springer Science & Business Media. This book was released on 2012-03-13 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Polymer Surface Characterization

Author : Luigia Sabbatini
Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 3110701146
Total Pages : 527 pages
Book Rating : 4.1/5 (17 download)

DOWNLOAD NOW!

Book Synopsis Polymer Surface Characterization by : Luigia Sabbatini

Download or read book Polymer Surface Characterization written by Luigia Sabbatini and published by Walter de Gruyter GmbH & Co KG. This book was released on 2022-01-19 with total page 527 pages. Available in PDF, EPUB and Kindle. Book excerpt: This fully updated edition provides a broad approach to the surface analysis of polymers being of high technological interest. Modern analytical techniques, potential applications and recent advances in instrumental apparatus are discussed. The self-consistent chapters are devoted to spectroscopic and microscopic techniques which represent powerful tools for the characterization of morphology and chemical, physical, mechanical properties of polymer surfaces, interfaces, and thin fi lms. Selection of techniques which can properly address very shallow depth of surfaces, spanning from few angstroms to tens of nanometers Interaction of polymer surfaces with their surroundings is pointed out as a critical issue for specifi c applications

Cyclodextrins and Their Complexes

Author : Helena Dodziuk
Publisher : John Wiley & Sons
ISBN 13 : 3527608443
Total Pages : 507 pages
Book Rating : 4.5/5 (276 download)

DOWNLOAD NOW!

Book Synopsis Cyclodextrins and Their Complexes by : Helena Dodziuk

Download or read book Cyclodextrins and Their Complexes written by Helena Dodziuk and published by John Wiley & Sons. This book was released on 2006-08-21 with total page 507 pages. Available in PDF, EPUB and Kindle. Book excerpt: Offering comprehensive and up-to-date know-how in one compact book, an experienced editor and top authors cover every aspect of these important molecules from molecular recognition to cyclodextrins as enzyme models. Chapters include reactivity and chemistry, chromatography, X-ray, NMR plus other physicochemical methods, as well as model calculations, rotaxane and catenane structures, and applications in the pharmaceutical industry. The book also discusses other applications such as in the cosmetics, toiletries, textile and wrapping industries, agrochemistry, electrochemical sensors, and devices. A must for everyone working with these substances.

Heavy Metals in the Environment

Author : Lawrence K. Wang
Publisher : CRC Press
ISBN 13 : 1420073192
Total Pages : 528 pages
Book Rating : 4.4/5 (2 download)

DOWNLOAD NOW!

Book Synopsis Heavy Metals in the Environment by : Lawrence K. Wang

Download or read book Heavy Metals in the Environment written by Lawrence K. Wang and published by CRC Press. This book was released on 2009-06-23 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: A successful modern heavy metal control program for any industry will include not only traditional water pollution control, but also air pollution control, soil conservation, site remediation, groundwater protection, public health management, solid waste disposal, and combined industrial-municipal heavy metal waste management. In fact, it should be

Environmental Inorganic Chemistry for Engineers

Author : James G. Speight
Publisher : Butterworth-Heinemann
ISBN 13 : 0128011424
Total Pages : 594 pages
Book Rating : 4.1/5 (28 download)

DOWNLOAD NOW!

Book Synopsis Environmental Inorganic Chemistry for Engineers by : James G. Speight

Download or read book Environmental Inorganic Chemistry for Engineers written by James G. Speight and published by Butterworth-Heinemann. This book was released on 2017-05-10 with total page 594 pages. Available in PDF, EPUB and Kindle. Book excerpt: Environmental Inorganic Chemistry for Engineers explains the principles of inorganic contaminant behavior, also applying these principles to explore available remediation technologies, and providing the design, operation, and advantages or disadvantages of the various remediation technologies. Written for environmental engineers and researchers, this reference provides the tools and methods that are imperative to protect and improve the environment. The book's three-part treatment starts with a clear and rigorous exposition of metals, including topics such as preparations, structures and bonding, reactions and properties, and complex formation and sequestering. This coverage is followed by a self-contained section concerning complex formation, sequestering, and organometallics, including hydrides and carbonyls. Part Two, Non-Metals, provides an overview of chemical periodicity and the fundamentals of their structure and properties. Clearly explains the principles of inorganic contaminant behavior in order to explore available remediation technologies Provides the design, operation, and advantages or disadvantages of the various remediation technologies Presents a clear exposition of metals, including topics such as preparations, structures, and bonding, reaction and properties, and complex formation and sequestering

Complex Concentrated Alloys (CCAs)

Author : Sundeep Mukherjee
Publisher : MDPI
ISBN 13 : 3039434748
Total Pages : 278 pages
Book Rating : 4.0/5 (394 download)

DOWNLOAD NOW!

Book Synopsis Complex Concentrated Alloys (CCAs) by : Sundeep Mukherjee

Download or read book Complex Concentrated Alloys (CCAs) written by Sundeep Mukherjee and published by MDPI. This book was released on 2020-11-04 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a collection of several unique articles on the current state of research on complex concentrated alloys, as well as their compelling future opportunities in wide ranging applications. Complex concentrated alloys consist of multiple principal elements and represent a new paradigm in structural alloy design. They show a range of exceptional properties that are unachievable in conventional alloys, including high strength–ductility combination, resistance to oxidation, corrosion/wear resistance, and excellent high-temperature properties. The research articles, reviews, and perspectives are intended to provide a wholistic view of this multidisciplinary subject of interest to scientists and engineers.

Our Changing Planet

Author : Fred T. Mackenzie
Publisher :
ISBN 13 :
Total Pages : 598 pages
Book Rating : 4.F/5 ( download)

DOWNLOAD NOW!

Book Synopsis Our Changing Planet by : Fred T. Mackenzie

Download or read book Our Changing Planet written by Fred T. Mackenzie and published by . This book was released on 2003 with total page 598 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers a general, interdisciplinary discussion of global environmental change oriented toward the non-specialist in science.The unifying theme of the book is consideration of aspects of both natural and human-induced global environmental change. The two part organization according to this distinction allows for easy reading on specific topics.This book is useful for anyone interested in learning more about Earth's systems.

Platform Chemical Biorefinery

Author : Satinder Kaur Brar
Publisher : Elsevier
ISBN 13 : 0128030046
Total Pages : 530 pages
Book Rating : 4.1/5 (28 download)

DOWNLOAD NOW!

Book Synopsis Platform Chemical Biorefinery by : Satinder Kaur Brar

Download or read book Platform Chemical Biorefinery written by Satinder Kaur Brar and published by Elsevier. This book was released on 2016-06-02 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt: Platform Chemical Biorefinery: Future Green Chemistry provides information on three different aspects of platform chemical biorefinery. The book first presents a basic introduction to the industry beneficial for university students, then provides engineering details of existing or potential platform chemical biorefinery processes helpful to technical staff of biorefineries. Finally, the book presents a critical review of the entire platform chemical biorefinery process, including extensive global biorefinery practices and their potential environmental and market-related consequences. Platform chemicals are building blocks of different valuable chemicals. The book evaluates the possibility of renewable feedstock-based platform chemical production and the fundamental challenges associated with this objective. Thus, the book is a useful reference for both academic readers and industry technical workers. The book guides the research community working in the field of platform chemical biorefinery to develop new pathways and technologies in combination with their market value and desirability. Offers comprehensive coverage of platform chemicals biorefineries, recent advances and technology developments, potential issues for preventing commercialization, and solutions Discusses existing technologies for platform chemicals production, highlighting benefits as well their possible adverse effects on the environment and food security Includes a global market analysis of platform chemicals and outlines industry opportunities Serves as a useful reference for both academic readers and industry technical workers

Anticancer Molecules

Author : Hiroshi Maruta
Publisher :
ISBN 13 :
Total Pages : 326 pages
Book Rating : 4.X/5 (4 download)

DOWNLOAD NOW!

Book Synopsis Anticancer Molecules by : Hiroshi Maruta

Download or read book Anticancer Molecules written by Hiroshi Maruta and published by . This book was released on 1999 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume discusses the value of research on tumor suppressor genes and the structure-function relationship of the corresponding proteins. The applicability of these non-peptide molecules to anti-cancer drugs is also taken up; and by focusing on contemporary research issues in the field, the book aims to promote understanding and cooperation between industrial and academic researchers.