Deshydratation Mecanique De Suspensions Minerales En Presence De Dispersant

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Déshydratation mécanique de suspensions minérales en présence de dispersant

Author : Zied Soua
Publisher :
ISBN 13 :
Total Pages : 182 pages
Book Rating : 4.:/5 (491 download)

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Book Synopsis Déshydratation mécanique de suspensions minérales en présence de dispersant by : Zied Soua

Download or read book Déshydratation mécanique de suspensions minérales en présence de dispersant written by Zied Soua and published by . This book was released on 2006 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ce travail de recherche constitue une contribution à l'amélioration de la déshydratation mécanique des suspensions minérales en présence de dispersants par filtration/fluidification. Deux procédés de filtration/fluidification mis en œuvre dans un filtre-presse de laboratoire ont été comparés. Le premier procédé implique une filtration simple (FS) avec ajout de dispersant dans la suspension initiale avant filtration. Pour le deuxième procédé, l'ajout est réalisé après filtration avec formation d'une précouche (FAP). La présence de dispersant permet de transformer le gâteau de filtration (à env. 73+-1 % massique) en une suspension de carbonate fluide (de même concentration), et ceci uniquement grâce à un faible apport d'énergie mécanique. Les caractéristiques des gâteaux de filtration obtenus (siccité, résistance spécifique, taille des particules et flocs, potentiel zêta) ont été comparées pour différentes concentrations en dispersant et pour les deux procédés de filtration/fluidification. Des mesures de turbidité et de conductivité, effectuées sur le filtrat, ont mis en évidence le rôle de la précouche vis-à-vis de la protection du tissu filtrant contre le colmatage par les fines particules et du filtrat contre la contamination par le dispersant. Une modélisation de la FAP a été effectuée. Le modèle développé tient en compte la variation de la pression au niveau de l'interface précouche - gâteau. Un autre modèle mathématique a été développé pour décrire la dépendance entre la viscosité, la concentration en solides et la taille des flocs pendant le processus de fluidification des gâteaux. Celui-ci, corrélé à des analyses rhéologiques expérimentales, a permis d'estimer la taille des flocs. Les résultats ont montrés que ces derniers sont plus faibles pour le procédé de FAP. En effet, dans le cas de la filtration simple, à cause d'une perte en dispersant dans le filtrat, la quantité réelle de dispersant qui reste piégé dans le gâteau est inférieure à celle qui reste dans le gâteau formé par filtration avec précouche. Ainsi, le procédé avec précouche est plus efficace d'un point de vue économique et environnemental.

Ceramic Coatings

Author : Feng Shi
Publisher : BoD – Books on Demand
ISBN 13 : 9535100831
Total Pages : 300 pages
Book Rating : 4.5/5 (351 download)

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Book Synopsis Ceramic Coatings by : Feng Shi

Download or read book Ceramic Coatings written by Feng Shi and published by BoD – Books on Demand. This book was released on 2012-02-24 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main target of this book is to state the latest advancement in ceramic coatings technology in various industrial fields. The book includes topics related to the applications of ceramic coating covers in enginnering, including fabrication route (electrophoretic deposition and physical deposition) and applications in turbine parts, internal combustion engine, pigment, foundry, etc.

Phase Transformation of Kaolinite Clay

Author : Akshoy Kumar Chakraborty
Publisher : Springer Science & Business Media
ISBN 13 : 8132211545
Total Pages : 346 pages
Book Rating : 4.1/5 (322 download)

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Book Synopsis Phase Transformation of Kaolinite Clay by : Akshoy Kumar Chakraborty

Download or read book Phase Transformation of Kaolinite Clay written by Akshoy Kumar Chakraborty and published by Springer Science & Business Media. This book was released on 2013-11-29 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book depicts comprehensive studies on thermal decomposition of Kaolinite by different physico-chemical methods carried out by various scientists in last 100 years and results of the studies conducted by author in past 33 years. It also provides a critical analysis of different views on Kaolinite–Mullite reaction series, characterization of controversial spinel phase in Kaolinite–Mullite reaction series and explanation of DTA events of Kaolinite. The book helps both researchers and students to realise the new mechanism of transformation of Kaolinite to Mullite. The new reaction processes discussed in the book also help ceramic experts to synthesize Mullite grains in commercial way for production of Mullite porcelain and Mullite refractory.

Handbook of Soil Analysis

Author : Marc Pansu
Publisher : Springer Science & Business Media
ISBN 13 : 3540312110
Total Pages : 996 pages
Book Rating : 4.5/5 (43 download)

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Book Synopsis Handbook of Soil Analysis by : Marc Pansu

Download or read book Handbook of Soil Analysis written by Marc Pansu and published by Springer Science & Business Media. This book was released on 2007-04-18 with total page 996 pages. Available in PDF, EPUB and Kindle. Book excerpt: This handbook is a reference guide for selecting and carrying out numerous methods of soil analysis. It is written in accordance with analytical standards and quality control approaches. It covers a large body of technical information including protocols, tables, formulae, spectrum models, chromatograms and additional analytical diagrams. The approaches are diverse, from the simplest tests to the most sophisticated determination methods.

Effect of Mineral-Organic-Microorganism Interactions on Soil and Freshwater Environments

Author : Jacques Berthelin
Publisher : Springer
ISBN 13 : 9781461371205
Total Pages : 0 pages
Book Rating : 4.3/5 (712 download)

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Book Synopsis Effect of Mineral-Organic-Microorganism Interactions on Soil and Freshwater Environments by : Jacques Berthelin

Download or read book Effect of Mineral-Organic-Microorganism Interactions on Soil and Freshwater Environments written by Jacques Berthelin and published by Springer. This book was released on 2012-11-07 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Working Group M.O. (Interactions of soil minerals with organic components and microorganisms) (WGMO) of the International Soil Science Society (ISSS) was founded in 1990 at the 14th World Congress of Soil Science (Kyoto, Japan), with Professor P.M. Huang being the Chairman. Since then, the Working Group M.O. has served as a forum to bring together soil chemists, soil mineralogists, soil microbiologists, soil biochemists, soil physi cists and environmental, ecological, and health scientists. The objective of the Working Group M.O. is to promote research, teaching, and also the exchange of technology concerning the knowledge and the impact of the interactions between minerals-organics and microorganisms on environmental quality, agricultural sustainability, and ecosystem "health". This group is first a scientific group as defined just previously, but it also intends to develop exchange and transfer between scientists and engineers. The first International Meeting organized by Professor P. M. Huang, was held in Edmonton, Canada, in August 1992, where 87 papers were presented by scientists from 20 countries. Following this meeting, a two volume book was edited by P. M. Huang, J. Berthelin, J.-M. Bollag, W. B. McGill, and A. L. Page, entitled "Environmental impact of soil component interaction" : Volume I "Natural and anthropogenic organic-volume II "Metals, other inorganic and microbial activities", and published by c.R.C. Lewis Pub lishers (1995).

Soil Analysis

Author : J. Gautheyrou
Publisher : CRC Press
ISBN 13 : 9789054107163
Total Pages : 514 pages
Book Rating : 4.1/5 (71 download)

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Book Synopsis Soil Analysis by : J. Gautheyrou

Download or read book Soil Analysis written by J. Gautheyrou and published by CRC Press. This book was released on 2001-01-01 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this book is to provide a better understanding of tools for soil analysis in order to use them more efficiently. It covers sampling problems as well as difficulties relating to actual analysis and quality control.

Surface Chemistry of Froth Flotation

Author : Jan Leja
Publisher : Springer Science & Business Media
ISBN 13 : 1461579759
Total Pages : 772 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Surface Chemistry of Froth Flotation by : Jan Leja

Download or read book Surface Chemistry of Froth Flotation written by Jan Leja and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 772 pages. Available in PDF, EPUB and Kindle. Book excerpt: The process of froth flotation is an outstanding example of applied surface chemistry. It is extensively used in the mining, mineral, metallurgical, and chemical industries for separation and selective concentration of individual minerals and other solids. Substances so concentrated serve as raw materials for producing appropriate metals and chemicals. The importance of flotation in technology is chiefly due to the ease with which it can be made selective and versatile and to the economy of the process. The objective of this book is to review the fundamentals of surface chemistry together with the relevant aspects of organic and inorganic chemistry that-in the opinion of the author-are important ~ control of the froth flotation process. The review updates the information that had been available in books by Sutherland and Wark (1955), Gaudin (1957), Klassen and Mokrousov (1963), and GIembotsky et al. (1963). It emphasizes mainly the surface chemical aspects of the process, leaving other relevant topics such as hydrodynamics, mechanical and electrical technology, cir cuit design and engineering, operations research, instrumentation tech nology, modeling, etc., to appropriate specialized treatments.

Fundamentals of Ceramic Powder Processing and Synthesis

Author : Terry A. Ring
Publisher : Elsevier
ISBN 13 : 0080532195
Total Pages : 985 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Fundamentals of Ceramic Powder Processing and Synthesis by : Terry A. Ring

Download or read book Fundamentals of Ceramic Powder Processing and Synthesis written by Terry A. Ring and published by Elsevier. This book was released on 1996-04-30 with total page 985 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ceramic powder synthesis and processing are two of the most important technologies in chemical engineering and the ceramics-related area of materials science. This book covers both the processing and the synthesis ofceramic powders in great depth and is indeed the only up-to-date, comprehensive source on the subject available.The application of modern scientific and engineering methods to the field of ceramic powder synthesis has resulted in much greater control of properties. Fundamentals of Ceramic Powder Processing and Synthesis presents examples of these modern methods as they apply to ceramic powders. The book is organized to describe the natural and synthetic raw materials that comprise contemporary ceramics. It covers the three reactant processes used in synthetic ceramic powder synthesis: solid, liquid, andgas.Ceramic powder processing, as a field of materials processing, is undergoing rapid expansion. The present volume is intended as a complete and useful source on this subject of great current interest. It provides comprehensive coverage from a strong chemistry and chemical engineering perspective and is especially applicable to materials scientists, chemical engineers, and applied chemists. Key Features* The most complete and updated reference source on the subject* Comprehensive coverage from a stron chemical engineering and chemistry perspective* Emphasis on both natural and synthetic raw materials in ceramic powder synthesis* Information on reaction kinetics* Superior, more comprehensive coverage than that in existing texts* Sample problems and exercises* Problems at the end of each chapter which supplement the material

Modern Styrenic Polymers

Author : John Scheirs
Publisher : John Wiley & Sons
ISBN 13 : 9780471497523
Total Pages : 796 pages
Book Rating : 4.4/5 (975 download)

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Book Synopsis Modern Styrenic Polymers by : John Scheirs

Download or read book Modern Styrenic Polymers written by John Scheirs and published by John Wiley & Sons. This book was released on 2003-03-28 with total page 796 pages. Available in PDF, EPUB and Kindle. Book excerpt: This title addresses the latest developments in the field, covering the major advances that have occurred over the past five years in the polymerization and structure of new generation polystyrenes that are broadening its scope of application. It covers the advent of branched polystyrenes, syndiotactic polystyrene, high-molecular weight general purpose PS, styrenic interpolymers, and clear SBS copolymers Presents voluminous research previously only reported at conferences in one reference Unique coverage of a topic not found in the field

Natural Fibres: Advances in Science and Technology Towards Industrial Applications

Author : Raul Fangueiro
Publisher : Springer
ISBN 13 : 940177515X
Total Pages : 444 pages
Book Rating : 4.4/5 (17 download)

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Book Synopsis Natural Fibres: Advances in Science and Technology Towards Industrial Applications by : Raul Fangueiro

Download or read book Natural Fibres: Advances in Science and Technology Towards Industrial Applications written by Raul Fangueiro and published by Springer. This book was released on 2016-02-10 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book collects selected high quality articles submitted to the 2nd International Conference on Natural Fibers (ICNF2015). A wide range of topics is covered related to various aspects of natural fibres such as agriculture, extraction and processing, surface modification and functionalization, advanced structures, nano fibres, composites and nanocomposites, design and product development, applications, market potential, and environmental impact. Divided into separate sections on these various topics, the book presents the latest high quality research work addressing different approaches and techniques to improve processing, performance, functionalities and cost-effectiveness of natural fibre and natural based products, in order to promote their applications in various advanced technical sectors. This book is a useful source of information for materials scientists, teachers and students from various disciplines as well as for R& D staff in industries using natural fibre based materials.

Biofibers and Biopolymers for Biocomposites

Author : Anish Khan
Publisher : Springer
ISBN 13 : 9783030403003
Total Pages : 312 pages
Book Rating : 4.4/5 (3 download)

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Book Synopsis Biofibers and Biopolymers for Biocomposites by : Anish Khan

Download or read book Biofibers and Biopolymers for Biocomposites written by Anish Khan and published by Springer. This book was released on 2020-05-12 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book summarizes recent developments in epoxy blends. It emphasizes new challenges for the synthesis, characterization, and properties of biofibers and biopolymers. It provides updates on all the important areas of biofibers and biopolymers in a comprehensive fashion, including synthesis, processing, characterisation and application. It provides a a one-stop reference for researchers and those working in industry and government. The book correlates macro, micro and nanostructure properties. Moreover, it provides cutting edge research from experts around the globe. The current status, trends, future directions and opportunities are discussed in detail, making the book also accessible for beginners to the subject and young researchers.

Encyclopedia of American Business History

Author : Charles R. Geisst
Publisher : Infobase Publishing
ISBN 13 : 1438109873
Total Pages : 581 pages
Book Rating : 4.4/5 (381 download)

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Book Synopsis Encyclopedia of American Business History by : Charles R. Geisst

Download or read book Encyclopedia of American Business History written by Charles R. Geisst and published by Infobase Publishing. This book was released on 2014-05-14 with total page 581 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents an alphabetically-arranged reference to the history of business and industry in the United States. Includes selected primary source documents.

Advances in Spectroscopy for Lasers and Sensing

Author : Baldassare Di Bartolo
Publisher : Springer Science & Business Media
ISBN 13 : 1402047894
Total Pages : 574 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Advances in Spectroscopy for Lasers and Sensing by : Baldassare Di Bartolo

Download or read book Advances in Spectroscopy for Lasers and Sensing written by Baldassare Di Bartolo and published by Springer Science & Business Media. This book was released on 2006-07-21 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents the Proceedings of "New Development in Optics and Related Fields," held in Italy in June, 2005. This meeting was organized by the International School of Atomic and Molecular Spectroscopy of the "Ettore Majorana" Center for Scientific Culture. The purpose of this Institute was to provide a comprehensive and coherent treatment of the new techniques and contemporary developments in optics and related fields.

Clay Mineralogy: Spectroscopic and Chemical Determinative Methods

Author : M.H. Repacholi
Publisher : Springer Science & Business Media
ISBN 13 : 9401107270
Total Pages : 362 pages
Book Rating : 4.4/5 (11 download)

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Book Synopsis Clay Mineralogy: Spectroscopic and Chemical Determinative Methods by : M.H. Repacholi

Download or read book Clay Mineralogy: Spectroscopic and Chemical Determinative Methods written by M.H. Repacholi and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt: A knowledge of clay is important in many spheres of scientific endeav our, particularly in natural sciences such as geology, mineralogy and soil science, but also in more applied areas like environmental and mater ials science. Over the last two decades research into clay mineralogy has been strongly influenced by the development and application of a num ber of spectroscopic techniques which are now able to yield information about clay materials at a level of detail that previously would have seemed inconceivable. This information relates not only to the precise characterization of the individual clay components themselves, but also to the ways in which these components interact with a whole range of absorbate molecules. At present, however, the fruits of this research are to be found principally in a somewhat widely dispersed form in the scientific journals, and it was thus considered to be an appropriate time to bring together a compilation of these spectroscopic techniques in a way which would make them more accessible to the non-specialist. This is the primary aim of this book. The authors of the various chapters first describe the principles and instrumentation of the individual spectro scopic techniques, assuming a minimum of prior knowledge, and then go on to show how these methods have been usefully applied to clay mineralogy in its broadest context.

Bubble and Foam Chemistry

Author : Robert J. Pugh
Publisher : Cambridge University Press
ISBN 13 : 1107090571
Total Pages : 447 pages
Book Rating : 4.1/5 (7 download)

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Book Synopsis Bubble and Foam Chemistry by : Robert J. Pugh

Download or read book Bubble and Foam Chemistry written by Robert J. Pugh and published by Cambridge University Press. This book was released on 2016-09-08 with total page 447 pages. Available in PDF, EPUB and Kindle. Book excerpt: Combining academic and industrial viewpoints, this is the definitive stand-alone resource for researchers, students and industrialists. With the latest on foam research, test methods and real-world applications, it provides straightforward answers to why foaming occurs, how it can be avoided, and how different degrees of antifoaming can be achieved.

Genesis and Properties of Collapsible Soils

Author : Tom Dijkstra
Publisher : Springer Science & Business Media
ISBN 13 : 9401100977
Total Pages : 409 pages
Book Rating : 4.4/5 (11 download)

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Book Synopsis Genesis and Properties of Collapsible Soils by : Tom Dijkstra

Download or read book Genesis and Properties of Collapsible Soils written by Tom Dijkstra and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 409 pages. Available in PDF, EPUB and Kindle. Book excerpt: Collapsing engineering soils are a formidable hazard around the world. These difficult materials also include some of the world's most fertile agricultural soils, fostering dense human populations which are therefore increasingly at risk. Despite an impressive literature on the engineering aspects of collapsing soils, these materials are coming under increasing scrutiny by scientists in other fields. This is most evidently the case with soil scientists, stratigraphers and sedimentologists. Past earth surface conditions have a direct influence on the detailed behaviour of collapsible soils: as a complement, these materials also provide detailed data on changing global climates. The selected papers presented here highlight the common ground between three scientific groups with a vested interest in a better understanding of collapsible soils.

Geotechnical Practice for Waste Disposal

Author : D.E. Daniel
Publisher : Springer Science & Business Media
ISBN 13 : 1461530709
Total Pages : 686 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Geotechnical Practice for Waste Disposal by : D.E. Daniel

Download or read book Geotechnical Practice for Waste Disposal written by D.E. Daniel and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 686 pages. Available in PDF, EPUB and Kindle. Book excerpt: Earth scientists and geotechnical engineers are increasingly challenged to solve environmental problems related to waste disposal facilities and cleanup of contaminated sites. The effort has given rise to a new discipline of specialists in the field of environmental geotechnology. To be effective, environmental geotechnologists must not only be armed with the traditional knowledge of fields such as geology and civil engineering, but also be knowledgeable of principles of hydrogeology, chemistry, and biological processes. In addition, the environmental geotechnologist must be completely up to date on the often complex cadre of local and national regulations, must comprehend the often complex legal issues and sometimes mind-boggling financial impli cations of a project, and must be able to communicate effectively with a host of other technical specialists, regulatory officials, attorneys, local land owners, journalists, and others. The field of environmental geo technology will no doubt continue to offer unique challenges. The purpose of this book is to summarize the current state of practice in the field of environmental geotechnology. Part One covers broadly applicable principles such as hydrogeology, geochemistry, and con taminant transport in soil and rock. Part Two describes in detail the underlying principles for design and construction of new waste disposal facilities. Part Three covers techniques for site remediation. Finally, Part Four addresses the methodologies for monitoring. The topics of 'waste disposal' and 'site remediation' are extra ordinarily broad.