Tsar'kov, V.A., Opyt raboty zolotoizvlekatel'nykh predpriyatii mira (Experience of Work of World's Gold-Recovery Plants), Moscow: Ruda I Metally Publ. House, 2004, 112 pp.

Tsar'kov, V.A., Opyt raboty zolotoizvlekatel'nykh predpriyatii mira (Experience of Work of... Russian Journal of Applied Chemistry, Vol. 78, No. 8, 2005, p. 1382. Translated from Zhurnal Prikladnoi Khimii, Vol. 78, No. 8, 2005, p. 1406. Original Russian Text Copyright 2005 by Morachevskii, Beloglazov. BOOK REVIEWS Tsar’kov, V.A., Opyt raboty zolotoizvlekatel’nykh predpriyatii mira (Experience of Work of World’s Gold-Recovery Plants), Moscow: Ruda I Metally Publ. House, 2004, 112 pp. The small monograph analyzes the practice of 29 in the ore), basic technological procedures in process- foreign and 14 domestic plants processing gold-bearing ing of raw ore, and scale of gold mining are given. ledge ores. Rather valuable is the detailed information Mostly sorption-cyanide technology with activated about resources of ore at various deposits, its quality, carbon is used in ore recovery. For lean ores (with processing techniques, and production scale. The book gold content less than 2.5 g per ton of ore) the heap comprises an introduction, three chapters, conclusion, leaching method is employed. Most of the 29 plants and a combined list of references for all the chapters. described in the second chapter were created at depos- its discovered 10 15 years ago. The brief introduction (pp. 5, 6) notes that the an- nual world’s production of gold is about 3.5 thousand The third chapter (pp. 85 105) contains similar tons, of which more than 70% is recovered by pro- information about Russia’s 14 gold-recovery plants, cessing of gold-bearing ledge ores. The world’s lead- which are situated in the eastern part of the country, ing countries in gold mining are South Africa, US, from South Urals to Chukotka. and Australia. The gradual depletion of the resources The conclusion (pp. 106, 107) emphasizes that the of rich ores and the increasing demand for gold force basic process for gold recovery from easily dressed the gold mining companies all over the world to pro- ledge ores is cyanidation with subsequent sorption cess lean ores having a complex mineralogical com- from slurry onto activated carbon or ion-exchange position and containing noxious admixtures. The book resins. It is noted that 92% of gold is recovered from considers modern technologies for recovery of gold ores by this process. A steady tendency is revealed to- from rich and lean ledge ores. ward depletion of the resources of rich easily dressed The first chapter (pp. 7 29) describes the general ores and involvement of lean difficultly dressed ores trends in the development of the technology for re- of complex composition into processing, which makes covery of gold from ledge ores, discusses ore pre- necessary autoclave oxidation, calcination, or bacterial treatment, gravity concentration, flotation dressing, leaching. The author of the monograph notes that hydrometallurgical processing, cyanidation, and sorp- Russia is second in the world in gold resources. At tion technology. The recovery cost of a gram of gold the same time, only 165 tons of gold were produced at different plants depends on the content of gold in in 2001 (sixth place in the world), which is largely ores, conditions of ore occurrence, and technology of accounted for by the uncoordinated work of our gold- ore mining and processing and is commonly within mining plants. According to the data presented in the range 3.4 10 US dollars. the monograph, there were 639 gold-mining plants The second chapter (pp. 29 84) discusses the work- in Russia in 2001, 80% of which produced less than ing practice of foreign gold-mining plants processing a ton of gold in a year. The recovery of gold at small- ledge ores. These plants are distributed among coun- scale Russian plants is 75 80%, whereas at larger tries as follows: US 7, Canada 4, Indonesia 3, Uz- plants, such as Olimpiadinskaya (Krasnoyarsk krai) bekistan 3, and Kazakhstan 2. Evidence is given con- or Kubaka (Magadan oblast) the recovery is as high cerning 10 more plants from other countries, but there as 92 98%. is no information about such gross gold-mining coun- V.A. Tsar’kov’s monograph gives a summary of tries as South Africa and Australia. No comments data that are of indubitable interest for a wide audi- concerning this issue can be found in the text of the ence of specialists in chemical metallurgy and for monograph. teachers from high-school institutions training special- For each of the gold-mining plants considered, ists in chemical engineering and metallurgy. a brief description of the deposit (type of ore, condi- tions of occurrence, proven resources, content of gold A. G. Morachevskii and I. N. Beloglazov 1070-4272/05/7808-1382 2005 Pleiades Publishing, Inc. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Tsar'kov, V.A., Opyt raboty zolotoizvlekatel'nykh predpriyatii mira (Experience of Work of World's Gold-Recovery Plants), Moscow: Ruda I Metally Publ. House, 2004, 112 pp.

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Copyright © 2005 by MAIK "Nauka/Interperiodica"
Chemistry; Industrial Chemistry/Chemical Engineering; Chemistry/Food Science, general
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