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Chemical Hydrometallurgy : Theory And Principles - A.R. Burkin

Chemical Hydrometallurgy

Theory And Principles

Hardcover Published: 11th July 2001
ISBN: 9781860941849
Number Of Pages: 424

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This volume is derived from the lectures on the principles on which hydrometallurgical processes are based, given as part of the undergraduate and MSc courses in hydrometallurgy which Professor A.R. Burkin gave from 1961 until he retired in 1988. It should be of interest to metallurgists and metallurgy students, inorganic chemists and environmental engineers. Professor Burkin is the author of "The Chemistry of Hydrometallurgical Processes".

Prefacep. v
Ore Mineralsp. 1
Types of Ore Mineralp. 1
Types of Crystal Latticep. 1
Introductionp. 1
Silicate Structuresp. 4
Oxidesp. 6
Sulphidesp. 12
Equilibrium in Aqueous Solutionsp. 15
Introductionp. 15
Ionic Activitiesp. 20
Debye--Huckel Theoryp. 20
Extension to More Concentrated Solutionsp. 25
Extension to Mixed Electrolyte Solutionsp. 27
Application of Pitzer's Equations; Some Worked Examplesp. 37
Metal Complex Formation and Equilibrium Constantsp. 50
Complex Formationp. 50
Thermodynamics of Equilibrium Constantsp. 54
Selection of Values of Equilibrium Constantsp. 60
Complex Formation or Ion Association?p. 62
Thermodynamics of Reactionsp. 65
Introductionp. 65
Standard Free Energies of Formationp. 66
Predominance Area Diagram for the Fe--H[subscript 2]O System, 298.15 Kp. 68
Reactions Involving Dissolved Species and Solids, Nonredoxp. 68
Reactions Involving Oxidation and Reductionp. 71
The Hydrogen Scalep. 73
The pe Scalep. 74
Equilibria between Solidsp. 76
Equilibria between Ions and Solidsp. 79
Equilibria between Ionsp. 80
Representation of Equilibriap. 80
Discussion of the Diagram, Fig. 3.1p. 83
The Sulphur--Water System, 298.15 Kp. 84
Data Usedp. 84
Acid Dissociation Constantsp. 85
Redox Equilibriap. 85
Discussion of the Diagram, Fig. 3.2p. 86
The Copper--Sulphur--Water System, 298.15 Kp. 88
Data Usedp. 88
Equilibriap. 88
Discussion of the Diagram, Fig. 3.3p. 90
Thermodynamics of Electrolyte Solutions at Elevated Temperaturesp. 92
Construction of Predominance Area Diagrams for Elevated Temperaturesp. 92
The S--H[subscript 2]O System, 423 Kp. 94
The Cu--S--H[subscript 2]O System, 423 Kp. 97
The Fe--S--H[subscript 2]O System, 423 Kp. 104
Estimation of Entropies and Heat Capacities of Ionic Speciesp. 105
Precipitation of Metals from Solution by Reductionp. 109
Introductionp. 109
Deposition of Metals by Electrolysisp. 110
Precipitation of Metals by Hydrogen Gasp. 112
Precipitation of Compounds from Solutionp. 119
Introductionp. 119
The Second Dissociation Constant of H[subscript 2]S(aq)p. 120
Precipitation of Sparingly Soluble Metal Sulphidesp. 122
Nucleation and Crystal Growthp. 124
Precipitation of Arsenatesp. 129
Precipitation of Iron as Oxidesp. 130
pH at Elevated Temperaturesp. 136
Precipitation of Solids at Elevated Temperaturesp. 139
Introductionp. 139
True Solubility and Temperaturep. 141
Hydrolysis and Temperaturep. 141
Speciation Diagramsp. 143
Introductionp. 143
Speciation in Multicomponent Solutionsp. 146
Precipitation of Trace Metals in Estuarine Waterp. 154
Adsorption and Coprecipitation of Metals from Solutionsp. 160
Kinetics of Heterogeneous Reactions in Hydrometallurgyp. 165
Rate Controlling Processesp. 165
Introductionp. 165
Transport and Chemical Controlp. 166
The Nernst Theory for Transport Controlp. 167
Hydrodynamic Theory for Transport Controlp. 169
Experimental Methods for Studying Leaching Kineticsp. 174
Introductionp. 174
Use of an Exposed Face of Mounted Solidp. 177
Use of an Exposed Face of a Rotating Discp. 180
Use of Particulate Solidp. 185
Electrochemical Methods of Following Leaching Reactions Involving Oxidation or Reductionp. 189
Kinetics of Leaching Ground Ores and Concentratesp. 199
The Problem of Non-uniform Particle Sizep. 199
Equations for Modelling Leaching Kineticsp. 200
Calculation of the Rate of Dissolution of Zinc Calcine in Dilute Acid Solutionsp. 203
Kinetics of Reactions in Which Metals are Precipitated from Solutions by Gasesp. 205
Introductionp. 205
Reduction of Nickel Salts in Aqueous Solutions by Hydrogenp. 206
Reduction of Cobalt Salts in Aqueous Solutions by Hydrogenp. 216
Reduction of Copper (II) Acetate in Aqueous Solutions by Hydrogenp. 220
Reduction Reactions between Metal Salts and Carbon Monoxide in Hydrometallurgyp. 232
Chemistry of Leaching Processesp. 235
Introductionp. 235
Leaching of Oxides and Silicatesp. 239
Reactions of Oxides not Involving Oxidation or Reductionp. 239
Reactions of Oxides Involving Oxidationp. 241
Electrochemical Model for the Oxidation Leaching of Uranium Dioxidep. 249
Leaching of Silicatesp. 273
Leaching of Sulphidesp. 279
Thermodynamics of the Metastable S-H[subscript 2]O Systemp. 279
Leaching of Iron-Containing Sulphides in Alkaline Solutionsp. 282
Oxidative Leaching of Chalcocite in Acidic Solutionsp. 287
Oxidative Leaching of Bornite in Acidic Solutionsp. 310
Oxidative Leaching of [alpha]-Chalcopyrite and Mooihoekite ([gamma]-Chalcopyrite) in Acidic Solutionsp. 327
Diffusion of Cations in Copper-Containing Sulphidesp. 379
Appendixp. 389
Referencesp. 391
Indexp. 411
Table of Contents provided by Syndetics. All Rights Reserved.

ISBN: 9781860941849
ISBN-10: 1860941842
Series: Chemical Hydrometallurgy
Audience: Professional
Format: Hardcover
Language: English
Number Of Pages: 424
Published: 11th July 2001
Publisher: Imperial College Press
Country of Publication: GB
Dimensions (cm): 21.59 x 15.24  x 3.18
Weight (kg): 0.73

Earn 321 Qantas Points
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