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Inhaltsangabe
This book is the first to describe in a plain, concise way the technology of rare metals based on geology and geochemistry. A description is given of the main sources, enrichment of minerals and ores by gravitation, magnetic, electric, flotation and chlorination methods as well as the self-accumulation of rare elements in half-products and waste materials of the metallurgical industry. Because of their unusual properties, the rare elements are extracted by unconventional methods. Among them, the hydrometallurgical methods are the basic ones. The sources of rare elements grow scarcer. Emphasis is therefore given to the extraction methods which allow the isolation of groups of elements from the mixtures, followed by their precise separation. The aim of the book is to call attention to the rational use of crude materials, not only in terms of technology but also with regard to protection of the environment. The book is addressed to chemistry students, and to engineers and metallurgists concerned with metallurgy of the non-iron metals.
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The Rare Elements: Occurrence and Technology [Revised & Enlarged Edition]
Anbieter: killarneybooks, Inagh, CLARE, Irland
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Hardcover. Zustand: Very Good. Zustand des Schutzumschlags: Good. Cloth hardcover, 536 pages, NOT ex-library. Weight 1290g / 2.85lb. VG condition, mild wear; clean pages with unmarked text; firm binding. Faint dusty marks on outer page edges, faint handling marks on boards. Good dust jacket. -- The book describes in a plain, concise way the technology of rare metals based on geology and geochemistry. A description is given of the main sources, enrichment of minerals/ores by gravitation, magnetic, electric, flotation and chlorination methods, self-accumulation of rare elements in half-products and waste materials of the metallurgical industry. The aim is to call attention to the rational use of crude materials, also with regard to protection of the environment. -- Contents: I Geological Aspects: 1 Geochemical Classification of Elements 2 Isomorphic Consanguinity & Dispersal of Elements 3 General Classification of Useful Minerals 4 Brief Description of Deposits 5 Minerals/Ores 6 Economic Assessment of Mineral Deposits II Principal Mechanical Methods of Ore Beneficiation: 1 Beneficiation of Ores/Minerals 2 Review of More Important Dressing Techniques III Principal Chemical Methods of Ore & Mineral Beneficiation: 1 Flotation 2 Classification & Application of Flotation Agents 3 Characteristics of the Various Groups of Collectors 4 Flotation Regulators 5 Importance of Frothing Agents in Flotation 6 Ion & Froth Flotation 7 New Developments in Flotation 8 Beneficiation & Recovery of Metals by Amalgamation 9 Application of Amalgamation Hydrometallurgy 10 Recovery of Some Metals by Amalgamation 11 High-Temperature Amalgamation Metallurgy IV Chlorination in the Extraction of Rare Metals: 1 Use of Chlorine in the Recovery of Rare Elements 2 Role of Reducing Agents in Chlorination 3 Review of Chlorinating Agents & Their Applications 4 Chloridizing Roasting 5/6 Mechanism of Chlorination with Metal Chlorides & FeCl3 7 Mechanism of Chlorinating Compounds Containing a Metal Which Can Occur in Several Oxidation States 8 Obtaining the Chlorides of Rare Metals V Methods of Recovering Metals from Solutions: 1 Theoretical Principles of Solvent Extraction Equilibria [Introduction; Definitions & Terminology; Classification of Solvent Extraction Systems; Mechanism of the Solvent Extraction of Inorganic Compounds: Principles; Influence of Certain Parameters on Extraction Equilibria; Methods of Studying the Mechanism of Solvent Extraction] 2 Review of More Important Solvent Extraction Systems & Their Application [General Remarks; Comparison of Extraction Systems] 3 Solvent Extraction Methods in Hydrometallurgy VI Technology of Rare Elements: 1 Copper 2 Silver 3 Gold 4 Cadmium 5 Mercury 6 Scandium 7 Yttrium, Lanthanum & the Lanthanides 8 Titanium 9 Zirconium & Hafnium 10 Vanadium 11 Niobium & Tantalum 12. Molybdenum 13. Tungsten 14. Rhenium 15. Cobalt 16. Nickel 17. Platinum Metals [Recovery of Silver - Recovery of Gold - Recovery of Platinum & Palladium - Recovery of Rhodium, Ruthenium, Osmium & Iridium - Properties & Applications of Platinum Group Metals & Their Compounds] 18. Lithium 19. Rubidium & Caesium 20. Beryllium 21 Boron 22 Gallium 23 Indium 24. Thallium 25. Diamond 26. Germanium 27. Selenium 28. Tellurium 29. Inert Gases 30. Thorium 31. Uranium; VII. Auxiliary Processes in the Recovery of Rare Elements: 1. Bacteria in Hydrometallurgical Processes (Classifcation of Bacteria & Their Characteristics - Characteristics of Thiobacteria - Chemistry of Ore Leaching - Practical Application of Thiobacteria and Ferrobacteria to the Leaching of Metals from Unprofitable Tailings & Ores] 2. Hydrometallurgical Treatment of Ores & Concentrates [Application of Hydrometallurgical Processes to the Treatment of Copper Ores] 3. Cementation 4. Adsorption Processes [Theoretical Principles of Sorption Processes - Sorbents - Activated Charcoal in the Recovery of Molybdenum & Rhenium] 5 Recovery of Metals from Solution by Reduction with Hydrogen. Bestandsnummer des Verkäufers 006541
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