Medvedev, A.S., Vyshchelachivanie i sposoby ego intensifikatsii (Leaching and methods for intensification of this process)

Medvedev, A.S., Vyshchelachivanie i sposoby ego intensifikatsii (Leaching and methods for... ISSN 1070-4272, Russian Journal of Applied Chemistry, 2007, Vol. 80, No. 1, p. 173. Pleiades Publishing, Ltd., 2007. Original Russian Text A.G. Morachevskii, M.S. Kokhatskaya, 2007, published in Zhurnal Prikladnoi Khimii, 2007, Vol. 80, No. 1, p. 174. BOOK REVIEWS Medvedev, A.S., Vyshchelachivanie i sposoby ego intensifikatsii (Leaching and Methods for Intensification of This Process) Moscow: Mosk. Gos. Inst. Stali i Splavov, 2005, 240 pp. DOI: 10.1134/S1070427207010375 Hydrometallurgical processes presently occupy an Chapter 3 (pp. 179 218) discusses methods for mech- important place in manufacture of a large number of anical, ultrasonic, and radiation treatment of pulp in nonferrous metals, including aluminum, zinc, uranium the course of leaching. The brief conclusion (pp. 219 and thorium, tungsten and molybdenum, tantalum and 221) summarizes the main results obtained in analyz- niobium, zirconium and hafnium, rare-earth metals, ing the methods for intensification of leaching. gold and silver, platinum-group metals, indium, The monograph by Medvedev is provided with an thallium, rhenium, and others. In some countries, extensive bibliography (pp. 222 239), but, unfor- hydrometallurgical processes are employed to manu- tunately, most of references are to publications older facture a considerable amount of copper, nickel, than 30 years. The number of references to studies cobalt, and zinc. The main procedure predetermining published later than 1995 does not exceed 10 (out of the extent of metal recovery from ores and secondary 304). raw materials in their hydrometallurgical processing is leaching, i.e., selective dissolution of one or several The book summarizes and analyzes a vast body of components of a raw material with an aqueous solvent experimental data on leaching of widely diverse (water or solutions of acids, alkalis, and salts). materials. It seems, however, that the author’s desire to make scientific to the maximum possible extent the The monograph by A.S. Medvedev, totally devoted presentation of purely technological information is not to leaching and methods for intensification of this always successful. It is hardly necessary to invoke process, comprises a preface, three chapters, conclu- Einstein’s or Landau’s concepts for explaining the sion, and bibliographic list containing 304 references. effect of additives on leaching of scheelite, tungstite, The preface (pp. 4 6) describes specific features of or uranium ore or to calculate the probability of the leaching process. Chapter 1 (pp. 7 74) is devoted a fluctuation changing the entropy of an equilibrium to theoretical foundations of leaching processes. The system (p. 71). author describes the thermodynamics and kinetics of leaching and presents a number of examples illustrat- The book by Medvedev has been published in the ing kinetic features of the processes. Chapter 2 series Metallurgy and Materials Science in the XXI (pp. 75 178) describes quite a number of preparatory Century, devoted to the 75th anniversary of the foun- procedures that intensify leaching. To these belong dation of Moscow Institute of Steel and Alloys (Tech- thermal, mechanical, ultrasonic, and radiation treat- nological University). The book is primarily intended ments. Despite the specific nature of each kind of for technologists-engineers and research workers of treatment, their common feature is that they give rise metallurgical and chemical industries. It may also be to structural defects in solids and disrupt the structure of use for teachers, postgraduate students, under- of liquids. The presentation is accompanied by a large graduates of metallurgical and chemical-technological number of examples. Particular attention is given to higher-school institutions. description of the influence exerted by mechanical treatment of minerals on their structure and reactivity. A. G. Morachevskii and M. S. Kokhatskaya http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Medvedev, A.S., Vyshchelachivanie i sposoby ego intensifikatsii (Leaching and methods for intensification of this process)

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Publisher
Nauka/Interperiodica
Copyright
Copyright © 2007 by Pleiades Publishing, Ltd.
Subject
Chemistry; Chemistry/Food Science, general; Industrial Chemistry/Chemical Engineering
ISSN
1070-4272
eISSN
1608-3296
D.O.I.
10.1134/S1070427207010375
Publisher site
See Article on Publisher Site

Abstract

ISSN 1070-4272, Russian Journal of Applied Chemistry, 2007, Vol. 80, No. 1, p. 173. Pleiades Publishing, Ltd., 2007. Original Russian Text A.G. Morachevskii, M.S. Kokhatskaya, 2007, published in Zhurnal Prikladnoi Khimii, 2007, Vol. 80, No. 1, p. 174. BOOK REVIEWS Medvedev, A.S., Vyshchelachivanie i sposoby ego intensifikatsii (Leaching and Methods for Intensification of This Process) Moscow: Mosk. Gos. Inst. Stali i Splavov, 2005, 240 pp. DOI: 10.1134/S1070427207010375 Hydrometallurgical processes presently occupy an Chapter 3 (pp. 179 218) discusses methods for mech- important place in manufacture of a large number of anical, ultrasonic, and radiation treatment of pulp in nonferrous metals, including aluminum, zinc, uranium the course of leaching. The brief conclusion (pp. 219 and thorium, tungsten and molybdenum, tantalum and 221) summarizes the main results obtained in analyz- niobium, zirconium and hafnium, rare-earth metals, ing the methods for intensification of leaching. gold and silver, platinum-group metals, indium, The monograph by Medvedev is provided with an thallium, rhenium, and others. In some countries, extensive bibliography (pp. 222 239), but, unfor- hydrometallurgical processes are employed to manu- tunately, most of references are to publications older facture a considerable amount of copper, nickel, than 30 years. The number of references to studies cobalt, and zinc. The main procedure predetermining published later than 1995 does not exceed 10 (out of the extent of metal recovery from ores and secondary 304). raw materials in their hydrometallurgical processing is leaching, i.e., selective dissolution of one or several The book summarizes and analyzes a vast body of components of a raw material with an aqueous solvent experimental data on leaching of widely diverse (water or solutions of acids, alkalis, and salts). materials. It seems, however, that the author’s desire to make scientific to the maximum possible extent the The monograph by A.S. Medvedev, totally devoted presentation of purely technological information is not to leaching and methods for intensification of this always successful. It is hardly necessary to invoke process, comprises a preface, three chapters, conclu- Einstein’s or Landau’s concepts for explaining the sion, and bibliographic list containing 304 references. effect of additives on leaching of scheelite, tungstite, The preface (pp. 4 6) describes specific features of or uranium ore or to calculate the probability of the leaching process. Chapter 1 (pp. 7 74) is devoted a fluctuation changing the entropy of an equilibrium to theoretical foundations of leaching processes. The system (p. 71). author describes the thermodynamics and kinetics of leaching and presents a number of examples illustrat- The book by Medvedev has been published in the ing kinetic features of the processes. Chapter 2 series Metallurgy and Materials Science in the XXI (pp. 75 178) describes quite a number of preparatory Century, devoted to the 75th anniversary of the foun- procedures that intensify leaching. To these belong dation of Moscow Institute of Steel and Alloys (Tech- thermal, mechanical, ultrasonic, and radiation treat- nological University). The book is primarily intended ments. Despite the specific nature of each kind of for technologists-engineers and research workers of treatment, their common feature is that they give rise metallurgical and chemical industries. It may also be to structural defects in solids and disrupt the structure of use for teachers, postgraduate students, under- of liquids. The presentation is accompanied by a large graduates of metallurgical and chemical-technological number of examples. Particular attention is given to higher-school institutions. description of the influence exerted by mechanical treatment of minerals on their structure and reactivity. A. G. Morachevskii and M. S. Kokhatskaya

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Mar 10, 2007

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