Yanko, E.A., Anody alyuminievukh elektrolizerov (Anodes of Aluminum Electrolyzers)

Yanko, E.A., Anody alyuminievukh elektrolizerov (Anodes of Aluminum Electrolyzers) Russian Journal of Applied Chemistry, Vol. 75, No. 10, 2002, p. 1723. Translated from Zhurnal Prikladnoi Khimii, Vol. 75, No. 10, 2002, p. 1757. Original Russian Text Copyright C 2002 by Morachevskii, Beloglazov. ˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝ BOOK REVIEWS ˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝ Yanko, E.A., Anody alyuminievukh elektrolizerov (Anodes of Aluminum Electrolyzers), Moscow: Ruda i Metally, 2001, 670 pp. Anodes, playing an important part in the tech- 1350oC) in a reductive atmosphere. Under these con- nology of aluminum manufacture by electrolysis, af- ditions, moisture and volatiles are removed, the coke fect the energy consumption and the level of environ- structure becomes denser, and there occurs partial ment protection. In the last three decades, the alumi- graphitization. Main attention is given to describ- num industry of quite a number of largest countries3 ing the process technology. A small third chapter aluminum manufacturers has mostly or completely (pp. 126 3139) considers storage coal-tar pitch and changed over to energy-saving technologies with the its preparation for the technological process, with maximum possible level of environment protection. much attention given to monitoring of its quality and The key measure in such a conversion is to install to its aggregative state. The fourth chapter (pp. 140 3 electrolyzers with high power (up to 200 3300 kA) 204) mainly describes the apparatus used in preparing with prebaked anodes. This makes it possible to raise stock for manufacture of the anode mass. All kinds somewhat the current efficiency (to 93395%), make of apparatus for crushing and milling are described lower the energy expenditure per ton of aluminum by in ample detail. 1500 32000 kW h, and, what is the most important, The fifth chapter (pp. 2053250) presents evidence to resolve with more success the ecological problems. concerning the formulations of the anode mass. The- With baked anodes, it becomes possible to diminish oretical foundations of the anode structure formation, to a minimum the discharge of fluorides into the at- the optimal granulometric composition of the anode mosphere and preclude entirely the discharge of ar- mass, and dosage of stock components are discussed. omatic hydrocarbons and tars, including carcinogens. The sixth chapter (pp. 2513310) considers technol- In Russia, up to 90% of aluminum is manufactured ogies for anode mass mixing and mixing apparatus. with the use of self-baking anodes. In the foreseeable The seventh (pp. 3113353) and eighth (pp. 354 3 469) future, reconstruction of the Russian aluminum pants chapters describe the processes for forming and bak- seems to be unlikely. In this connection, a topical task ing of the anode units. The ninth chapter (pp. 470 3 is to improve the technology of operation of elec- 522) describes in detail the procedures used in dis- trolyzers with self-baking anodes and to lower the mantling worked-out anodes and mounting new ones. discharge of noxious compounds to admissible levels. The tenth (pp. 5233595) and eleventh (pp. 596 3 655) E.A. Yanko’s monograph, summarizing the experi- chapters compare the advantages, disadvantages, and ence gained in working with both types of anodes specific features of baked and self-baking anodes. and discussing their advantages and disadvantages, is The author noted, in particular, that electrolyzers of indubitable interest for Russian aluminum manu- with self-baking anodes have not exhausted their po- facturers. The book comprises an introduction, 11 tentialities and can be regarded as a promising object chapters, and a list of references. of further modernization. In the author’s opinion, it A brief introduction (pp. 338) considers the trans- is apparently advisable to use electrolyzers of this port-technological schemes for production of the kind for manufacture of aluminum in regions that anode mass for self-baking anodes and for manufac- are remote from large settlements and are not subject ture of baked anodes. It is the analysis of the elements to stringent ecological requirements. of these schemes that mainly constitutes the mono- The bibliography (pp. 6563666) contains references graph, which has purely industrial orientation. to 246 studies by domestic and foreign researchers. The first chapter (pp. 9355) describes raw mate- The book contains a vast body of reference ma- rials for production of the anode mass and anodes- terial and describes in detail the apparatus and tech- coal-tar pitch and electrode coke. The properties of nologies used in manufacture of anodes. Less suc- both the components and requirements to them are cessful are separate inclusions of physicochemical presented with exhaustive completeness. The second and electrochemical nature. The book is very well chapter (pp. 56 3125) gives an equally detailed de- printed. scription of coke calcination procedure. By this term is meant coke treatment at high temperature (1150 3 A.G. Morachevskii, I.N. Beloglazov 1070-4272/02/7510-1723 $27.00 C 2002 MAIK [Nauka/Interperiodica] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Yanko, E.A., Anody alyuminievukh elektrolizerov (Anodes of Aluminum Electrolyzers)

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Kluwer Academic Publishers-Plenum Publishers
Copyright © 2002 by MAIK “Nauka/Interperiodica”
Chemistry; Chemistry/Food Science, general
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