Russian Journal of Applied Chemistry, Vol. 75, No. 2, 2002, p. 338. Translated from Zhurnal Prikladnoi Khimii, Vol. 75, No. 2, 2002, p. 348. Original Russian Text Copyright C 2002 by Morachevskii, Beloglazov. ˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝ BOOK REVIEWS ˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝ Ni, L.P., Fizicheskaya khimiya gidroshchelochnykh protsessov polucheniya oksida alyuminiya (Physical Chemistry of Hydroalkaline Processes for Production of Aluminum Oxide), Almaty: KazgosINTI, 2001, 148 pp. The fourth chapter (pp. 1123133) is concerned with This monograph is concerned with an issue that is the theory and technology of chemical dressing of rather topical for Russia and Kasakhstan. It was written high-silica aluminum raw materials. The process is by a known specialist in alumina production and is based on the decomposition of high-silica raw ma- largely based on results of his many years’ investiga- terials under the action of acids to give a silicate solu- tions. The author made a major contribution to the tion and aluminum-enriched concentrate. Chemical development of technological schemes for processing dressing of alkali-free aluminosilicates (kyanite, of high-silica and high-iron alumina-containing sub- kaolins and clays, mineral fraction of coals), nepheline stances and other low-grade aluminum raw materials. ores, and high-silica bauxites is considered. Special attention is given to the processing of silicate solu- The book comprises five chapters and a list of ref- tions. The cost-effectiveness of the technology of erences to 82 titles. The first chapter (pp. 6 319) chemical dressing is determined largely by the cost gives a general characteristic of the main kinds of alu- and sales volume of products obtained in utiliza- minum raw materials-bauxites and alkaline and al- tion of silicate solutions. The final fifth chapter kali-free aluminosilicates. It briefly describes hydro- (pp. 134 3140) contains brief information about auto- alkaline methods for alumina production. The second clave desiliconization of aluminate solutions. chapter (pp. 20 370) is devoted to the analysis of According to the available data, Russia manufac- physicochemical properties of systems, underlying tured 3.24 million tons of aluminum in 2000, and hydroalkaline processes. Much attention is given to the country holds the second place in the world being the systems containing silicon dioxide and iron(III) surpassed only by the United States (3.67 million oxide. The third chapter (pp. 713111) occupies the tons). However, it is known that a considerable part of central place in the monograph. The author briefly raw materials is imported. The topicality of using considers the classical scheme of alumina production various kinds of low-grade aluminum-containing raw by the Baeyer method; various modifications of this materials in Russia was noted as far back as the 1930s method, depending on the type of raw materials being by A.A. Yakovkin (1860 31936), an outstanding phys- processed; and ways to improve the technology of ical chemist and technologist. autoclave leaching of bauxites. The primary aim of The book written by L.P. Ni is of indubitable in- improving the autoclave processing in the Baeyer terest for a wide audience of specialists in manufac- method is to reduce the expenditure of the high-priced ture of alumina. It can be used as a textbook in chem- caustic alkali. This can be achieved by either raising ical-engineering and metallurgical higher-school in- the temperature of autoclave leaching or replacing stitutions. The monograph has a clear-cut technolog- sodium hydroxide with soda ash. The monograph ical purpose, is well written, and gives a clear picture analyzes both possible ways. Specific features of of the important technological problem. processing of high-silica and high-iron bauxites are discussed in detail. A. G. Morachevskii, I. N. Beloglazov 1070-4272/02/7502-0338 $27.00 C 2002 MAIK [Nauka/Interperiodica]
Russian Journal of Applied Chemistry – Springer Journals
Published: Oct 13, 2004
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