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Advances In Cleaner Technologies For The Mining And Metallurgical Industry

Advances In Cleaner Technologies For The Mining And Metallurgical Industry, edited by Mario Sanchez, Armando Valenzuela, Eduardo Chaparro, Andrés Reghezza, and Jaime Alvarez. xii + 387 pages, 17.2 x 24.5 cm, hard cover, ISBN 978-956-227-319-0, published by the University of Concepcion, Concepcion, Chile.

This book is the Proceedings of the VIII International Conference on Clean Technologies for the Mining Industries held in Santiago, Chile April 13-16, 2008. It contains 32 papers divided in eight parts as follows:

  • Environmental improvements in operations [4 papers]
  • Water and energy management in mining [1 paper]
  • Metals and materials recovery & recycling [5 papers]
  • Wastes and effluents treatment [7 papers]
  • Characterization, monitoring, and prediction techniques [5 papers]
  • Advances and research in cleaner technologies and processes [5 papers]
  • Research in biotechnologies and biochemical processes [4 papers]
  • Environmental norms and regulations [1 paper]

The book is very well edited, produced on high quality paper, and has an appealing coloured cover - - a job very well done.

Fathi Habashi, Laval University, Quebec City, Canada Fathi.Habashi@arul.ulaval.ca

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Zinc and Lead Metallurgy

Zinc and Lead Metallurgy edited by Liana Centomo, Michael J. Collins, Juris Harlamovs, and Jin Liu, x + 360 pages, 18.5 x 265.5, hard cover. ISBN 1-894475-83-6 Published in 2008 by Canadian Institute of Mining, Metallurgy, and Petroleum, Montreal, Canada H3Z 3B8. Price: $120. For more information: www.metsoc.org

The volume is the Proceedings of the Zinc and Lead Metallurgy Symposium that was held in Winnipeg, Manitoba August 24 - 27, 2008 as part of the Conference of Metallugists.

The book is composed of thirty papers that were refereed, edited, and organized under the following headings:

  • Pyrometallurgy: Zinc and Lead Processing (10 papers). Includes papers on the history of lead, Kivcet furnace performance, blast furnace improvements, slag furnace, and Ausmelt technology (4 papers)
  • New developments and markets (9 papers). Includes articles on market trends, pneumatic conveying, hydrometallurgy of lead, and recycling
  • Zinc leaching (9 papers). Includes papers on new technology in China, pressure leaching, and Outotec process
  • Solution treatment, solvent extraction, and electrowinning (7 papers). Includes papers on solution purification, gypsum deposition problem, and anode performance

The book is very well produced with authors’ index. Highly recommended.

Fathi Habashi, Laval University, Quebec City, Canada Fathi.Habashi@arul.ulaval.ca

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The History of Grinding

The History of Grinding by Alban J. Lynch and Chester A. Rowland, vi + 209 pages, 17 x 24.5 cm, flexible cover, ISBN 0-87335-238-6, published by Society for Mining, Metallurgy, and Exploration, 8307 Shaffer Parkway, Littleton, Colorado, USA 80127, www.smenet.org, US $ 109 (members $89). 2005

It seems that this is the first book devoted to the history of grinding because of the 200 references cited, there is no single volume devoted to either the history of mineral processing in general or grinding in particular. The book is therefore a welcome addition to the library. The present reviewer, however, was wondering why the authors chose such limited title although the contents go far beyond the unit operation of grinding. For example, they write about the use of explosives in rock breaking (Chapter10) which is a mining operation, and classifiers and cyclones (Chapter 9) which are mineral beneficiation equipment. Further, crushing equipment are described in Chapter 5 which includes the modern crushers as well as the stamp mill. In Chapter 2 the mortars and pestles are described and illustrated.

Naturally, the grinding of wheat was an ancient operation which is closely related to the grinding of ores and the authors have discussed this fairly well. Similarly, the water wheel and the steam engine are clearly introduced. The book also includes short biographies of the pioneers who developed the theory of comminution such as Rittinger, Kick, and Bond and the contemporary scientists in this field such as Rumpf and Schonert, but the biographies of Dorr (inventor of the thickener and classifier) and Nobel (inventor of dynamite) seem to be out of place.

The book is very well illustrated with clear Figures with the exception of one or two that are unclear. There is a glossary of terms at the end of the book. An interesting item is the number of quotations from the Bible that refers to grinding. The book is highly priced especially since it does not have a hard cover. The authors are well known to the mineral processing community: Alban J. Lynch was with the University of Queensland in Australia and Chester A. Rowland with Allis-Chalmers Manufacturing Company in Milwaukee, Wisconsin.

Fathi Habashi. Laval University, Quebec City, Canada. Fathi.Habashi@gmn.ulaval.ca

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HydroCopper 2005

HydroCopper 2005, edited by Jorge M. Menacho and Jesus M. Casas de Prada. xv + 554 pages 17x 25 cm, hard cover, ISBN 956-19-0492-6, published November 2005 by Universidad de Chile, Av. Tupper 2069, Santiago, Chile 83 70 45 1. www.minas.cec.uchile.cl

The volume is the Proceedings of the III International Copper Hydrometallurgy Workshop that was held in Santiago, Chile November 23-25, 2005. It is composed of 16 papers in English and 30 in Spanish - a total of 46. Divided into six topics:

  • Innovation in the Hydrometallurgical processing of sulfides (7 papers)
  • Ore Leaching Operations (6 papers)
  • Innovation and Development of New Processes (8 papers)
  • Optimization and Process Control (5 papers)
  • Special Topics in Hydrometallurgy (9 papers)
  • Innovations and Practices in Solvent Extraction and Electrowinning (11 papers)

With the exception of one historical paper and two reviews papers, all the other represent an original work. All papers were refereed. The historical paper is concerned with the Douglas-Hunt hydrometallurgical process developed in Quebec, Canada in 1860s and applied for few years in Chile in 1871. One of the review paper is focused on the hydrometallurgy of chalcopyrite in Spanish while the other is concerned with the recent advances of the hydrometallurgy of copper in general.

Of particular interest to the present reviewers are the following papers:

  • Hydrometallurgical process for complex chalcopyrite at low pressure and temperature by workers at the Beijing General Research Institute of Mining & Metallurgy and the University of Science & Technology in Beijing, China. It was found that at 110oC, Po2 = 500 k Pa, 30 g/L H2SO4 and 30 g/L [Cl-] ion, copper extraction was more than 95%, little pyrite was attacked, more than 90% of the sulfur was recovered in the elemental form, and only traces of arsenic were present in solution. Copper was recovered from the leach solution by solvent extraction using BK-992, an organic solvent produced in China, followed by electrowinning. After the pilot tests a commercial plant is planned.
  • Metal recovery utilizing on-site biological H2S production by Canadian metallurgists. It is reported that traces of copper and nickel can be recovered from waste solution by precipitation with H2S generated by bacterial action of elemental sulfur. Four industrial plants are actually using this technology.
  • Arsenic stabilization by hydrothermal method by researchers at CODELCO. The authors reported on the use of autoclaves to produce ferric arsenate.
  • Inocculation of bacteria in heap leaching by researchers in South Africa. The authors studied methods to temporarily decrease the sticking of bacteria on minerals so that they can be equally distributed throughout the heap. By starving certain nutrients it was possible to decrease temporarily the slimy layer formed by bacteria that is responsible for their sticking.
  • Aqueous oxidation of enargite by researchers at the University of Concepcion in Chile. The authors showed that enargite, Cu3AsS4, is practically insoluble in acid medium under oxygen atmosphere at 80-100oC.
  • Health problems of arsenic was discussed by a Chilean consultant.
  • Jumbo electrodes for copper electrowinning by researchers from Outokumpu. It was found that if large cathodes are use the cost of operation could be significantly decreased.

The above are only some examples of the types of work presented. The book is very well edited and handsomely produced. But, it is a pity that the titles and the abstracts were not bilingual. It has been promised by the organizers that they will correct this point in the forthcoming website of HydroCopper.

Fathi Habashi. Laval University, Quebec City, Canada. Fathi.Habashi@gmn.ulaval.ca

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Conference Preceedings - Nickel and Cobalt 2005

Nickel and Cobalt 2005. Challenges in Extraction and Production, edited by Jeff Donald and Ron Shoneville, XIV + 560 pages, 18 x 26 cm, hard cover, ISBN 1-894475-56-9, published by Canadian Institute of Mining, Metallurgy, and Petroleum, 855-3400 Maisonneuve Boulevard West, Montreal H3Z 3B8. Can $ 150 for CIM members. For more details see www.metsoc.org

This is the proceedings volume of the symposium held in Calgary, Alberta during the 44th Annual Conference of Metallurgists. It contains 33 papers by 86 authors from 13 countries as follows: Canada 15, South Africa 4, Australia 4, Dominican Republic 2, and one from each: Germany, Finland, USA, Belgium, Mexico, Greece, Norway, The Netherlands, and Japan.

The book is divided into six nearly equal parts: Process Technology I and II, Process Fundamentals I and II, Operational Updates, and Plenary Session. Since platinum group metals in South Africa occur in association with nickel ores, there is a comprehensive review article in the volume covering their recovery as well as a report on Polokwane Smelter in South Africa. Other timely reviews are the following:

  • Corfco Refinery in Fort Saskatchewan, Alberta treating the Ni-Co sulfides produced at Moa in Cuba and shipped to Canada
  • Nickel industry in Australia (2 papers)
  • Falconbridge Dominicana
  • Falconbridge’s Sudbury operations
  • INCO’s Copper Cliff operations
  • Outokumpu’s nickel in Finland

In addition, there are two historical articles: one covering the Canadian technology and the other reporting on the Gap Nickel Mine near Lancaster, Pennsylvania and the American Nickel Works in Canada, New Jersey. Other articles of general interest are related to fluidized beds, automatic sorting, economics, modelling, the use of microwaves and dielectric drying, mechanochemical treatment of ores, Cu-Ni separation, NiO reduction by H2, and more. The volume, therefore, will be of great help to those working in the nickel and cobalt industry as well as to those interested in extractive metallurgy in general.

Jeff Donald is a Queen’s University graduate and is presently with INCO while Ron Schoneville is a Toronto University graduate and is presently with Falconbridge.

Fathi Habashi. Laval University, Quebec City, Canada. Fathi.Habashi@gmn.ulaval.ca

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Treatment of Gold Ores

edited by Guy Deschênes, Daniel Hodouin, and Leon Lorenzen, xvi + 516 pages 18.3 x 26.2, hard cover, published by Canadian Institute of Mining, Metallurgy, and Petroleum, Montreal 2005. ISBN 1-894475-60-7, $135 + postage.

Treatment of Gold Ores is the proceedings volume of the 35th Annual Hydrometallurgy Meeting held in conjunction with the 44th Annual Conference of Metallurgists of CIM, that took place in Calgary, Alberta August 21-24, 2005. The book contains 32 papers divided into four parts:

  • Ore characterization and recovery of gold by gravity (8 papers)
  • New leaching technologies (11 papers)
  • Plant practice and project development (7 papers)
  • Modeling and environment (6 papers)

The book is complete with Author and Key Word Indexes as well as a CD. Under New Leaching Technologies five papers are devoted to thiosulfate, while under Plant Practice a comprehension review of the gold leaching systems is presented by researchers at Barrick Gold in collaboration with Goode and Associated. The remaining papers are also equally interesting for those working in the gold industry.

Guy Deschênes is with CANMET in Ottawa, Daniel Hodouin is with the Laval University in Quebec City, and Leon Lorenzen is with Stellenbosch University in South Africa.

Fathi Habashi. Laval University, Quebec City, Canada. Fathi.Habashi@gmn.ulaval.ca

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