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Surface Chemistry of Froth Flotation: Volumes 1 & 2
by S. Ramachandra Rao
Book Description
The second edition of the book Surface Chemistry of Froth Flotation by Dr. S.R. Rao presents many significant advances of the 20 years since the publication of the first edition, including electrochemistry of sulfide flotation, use of chelating compounds in flotation, mechanism of activation and depression, inadvertent activation, fine particle flotation and several others of current interest to flotation engineers, researchers and graduate students. Dr. Rao has gathered recent published information and integrated it with established knowledge under various topics. The book also describes areas of ongoing research in the subject. The process of froth flotation - an outstanding example of applied surface chemistry - is extensively used in the mining, metallurgical and chemical industries for separation of particulate matter, especially for selective concentration of individual minerals. Surface Chemistry of Froth Flotation is written mainly for graduate students and researchers in the field of flotation. In addition, those in mineral processing, metallurgy, surface and colloid science, and recycling of materials will also find material of interest. In Volume 1, the fundamentals of surface chemistry together with principles of ionic equilibria and electrochemistry that are relevant to the understanding and control of the flotation process are explained. Volume 2 describes flotation reagents and their chemistry and reviews the mechanism of their action in flotation. They include collectors, activators, depressants, frothers and complexing agents. Numerous references to the literature are included.
Review
This is a new edition of Professor Jan Leja’s book published in 1982 by Plenum Press and having the same title. In preparing the present edition, Dr. S.R. Rao has evidently made many significant changes to take into consideration the advances in this field during the past two decades. Although the number of pages remained essentially the same, the present edition appears in two volumes instead of one. Rao has replaced some topics devoted to chemistry that are now well treated in other books by specific items that are more relevant to the physical chemistry of flotation. He thus made the book more focussed and well adapted to today’s research. The first volume is subtitled Fundamentals and the second is subtitled Reagents and Mechanisms.
The chapter headings remain practically the same. In Volume 1 (ISBN 0-306-48178-2), the fundamentals of surface chemistry together with principles of ionic equilibria and electrochemistry that are relevant to the understanding and control of the flotation process are explained. Volume 2 (ISBN 0-306-48179-0) describes flotation reagents and their chemistry and reviews the mechanism of their action in flotation. It includes collectors, activators, depressants, frothers and complexing agents.
The book seems to be written mainly for graduate students and researchers in the field of flotation but will certainly be of interest to those engineers working in mineral processing, metallurgy, surface and colloid science, and recycling of materials. It has a good collection of references, good drawings, and pleasant appearance. Rao has thus succeeded in bringing back to life Leja’s book. While there are a number of recent good books on flotation these are collective volumes. Rao-Leja book is a coherent textbook, not too large and not too small. Thus, it will be appealing to a large audience. Ramachandra Rao is with the Department of Mining, Metals, and Materials Engineering at McGill University in Montreal, whilst Jan Leja was formerly with the Department of Mining and Mineral Process Engineering at the University of British Columbia in Vancouver.
Fathi Habashi. Laval University, Quebec City, Canada. Fathi.Habashi@gmn.ulaval.ca
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