Handbook of Flotation Reagents: Chemistry, Theory and Practice: Flotation of Gold, PGM and Oxide Minerals, Volume 2 focuses on the theory, practice, and chemistry of flotation of gold, platinum group minerals (PGMs), and the major oxide minerals, along with rare earths. It examines separation methods whose effectiveness is limited when using conventional treatment processes and considers commercial plant practices for most oxide minerals, such as pyrochlore-containing ores, copper cobalt ores, zinc ores, tin ores, and tantalum/niobium ores. It discusses the geology and mineralogy of gold, PGMs, and oxide minerals, as well as reagent and flotation practices in beneficiation.
The book also looks at the factors affecting the floatability of gold minerals and describes PGM-dominated deposits such as Morensky-type deposits, hydrothermal deposits, and placer deposits. In addition, case studies of flotation and beneficiation in countries such as Canada, Africa, Russia, Chile, and Saudi Arabia are presented. This book will be useful to researchers, university students, and professors, as well as mineral processors faced with the problem of beneficiation of difficult-to-treat ores.
- Looks at the theoretical aspects of flotation reagents
- Examines the practical aspects of using chemical reagents in operating plants
- Provides guidelines for researchers and engineers involved in process design and development
For mineral processors working in the operating plants, researchers in the mineral processing industry and university students and professors
Introduction 17 Flotation of Gold Ores 17.1 Introduction 17.2 Geology and General Mineralogy of Gold-Bearing Ores 17.3 Flotation Properties of Gold Minerals and Factors Affecting Floatability 17.4 Flotation of Low-Sulphide-Containing Gold Ores 17.5 Flotation of Gold-Containing Mercury/Antimony Ores 17.6 Flotation of Carbonaceous Clay-Containing Gold Ores 17.6.1 Preflotation of carbonaceous gangue and carbon 17.6.2 Two-stage flotation method 17.6.3 Nitrogen atmosphere flotation method 17.7 Flotation of Gold-Containing Copper Ores 17.8 Flotation of Oxide Copper–Gold Ores 17.9 Flotation of Gold–Antimony Ores 17.10 Flotation of Arsenical Gold Ores 17.11 Flotation of Gold From Base Metal Sulphide Ores 17.11.1 Gold-containing lead-zinc ores 17.11.2 Copper-zinc gold-containing ores 17.11.3 Gold-containing copper-lead-zinc ores 17.12 Conclusions References 18 Flotation of Platinum Group Metal Ores 18.1 Introduction 18.2 Minerals and Classification of PGM Ores 18.3 Description of PGM-Dominated Deposits 18.3.1 Morensky-type deposits 18.3.2 Hydrothermal deposits 18.3.3 Placer deposits 18.4 Effect of Mineralogy on Recovery of Platinum Group Minerals 18.4.1 Ores amenable to gravity preconcentration 18.4.2 Ores amenable to flotation 18.5 Copper-Nickel and Nickel Sulphide Deposits with PGM as a By-Product 18.5.1 The Sudbury area in Ontario, Canada 18.5.2 The Norilsk Talnakh ore in Russia 18.5.3 Pechenga Cala Peninsula (USSR) 18.5.4 Other deposits 18.6 Chromium Deposits with PGM 18.7 Flotation of PGM-Containing Ores 18.7.1 Introduction 18.7.2 Flotation properties of PGM from sulphide-dominated deposits 18.7.3 Reagent practice in flotation of PGM sulphide-dominated ore
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- © Elsevier Science 2010
- 15th September 2010
- Elsevier Science
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