Cover	1
	Title Page	5
	Copyright Page	6
	TABLE OF CONTENTS	25
	VOLUME 2: ELECTROMETALLURGY AND ENVIRONMENTAL HYDROMETALLURGY	5
	Foreword	7
	Ian M.Ritchie – A Biography	9
	Session Chairs and Co-Chairs	13
	Plenaries	33
	Challenges for Hydrometallurgy in Environmental and Health Stewardship	35
	Business Aspects and Future Technical Outlook for Hydrometallurgy	51
	Biotechnology for Sustainable Hydrometallurgy	65
	Electrometallurgy	81
	Electrochemistry & Cementation	83
	Electrometallurgy: The Key to Understanding Hydrometallurgical Reactions	85
	Limitations for the Use of Evans' Diagrams to Describe Hydrometallurgical Redox Phenomena	101
	Hydrogen Reduction of Metal Ions: An Electrochemical Model	111
	Alloy Formation During the Cementation of Gold on Copper from Ammoniacal Thiosulfate Solutions	127
	Some Aspects of Cementation Reactions	139
	Electrowinning	153
	Effect of Impurity Presence in Zinc Chloride Electrowinning	155
	The Effects of Solution Impurities on the Properties of Nickel Cathodes	165
	Effects of Some Polyols and Organic Acids on the Current Efficiency and the Cell Voltage During Zinc Electrowinning	179
	Determination of Crystallite Size and Surface Roughness of Copper Deposits for Electrowinning in the Presence of an Organic Additive	193
	Electrocrystallization of Nickel: Effect of Certain Metal Ions	207
	The Effect of Dissolved Manganese on Anode Activity in Electrowinning	215
	Study of Anodic Slime from Chilean Copper Electrowinning Plants	227
	Zinc Electrowinning Using Novel Rolled Pb-Ag-Ca Anodes	239
	Electrodeposition of Nickel-Cobalt Alloys from Sulfate Acid Baths	249
	Extraction of Copper at Elevated Feed Concentrations	259
	Investigations of Spouted Bed Electrowinning for the Zinc Industry	273
	Successful Industrial Use of Quillaja Saponins (Quillaja saponaria Molina) for Acid Mist Suppression in Copper Electrowinning Process	291
	Hydrogen Inhibitor Applications in Fuel Cells and Base Metal Electrowinning	301
	Direct Electrowinning of Silver from Dilute Leach Liquors	315
	High Current Density EMEW® Copper Electrowinning	329
	Performance of Intercell Bars for Electrolytic Applications: A Critical Evaluation	341
	Commercial Development of a Descending Packed Bed Electrowinning Cell, Part 2: Cell Operation	355
	Operations	365
	Feasibility Studies: Just How Good Are They?	367
	Innovation: The Way Forward for Hydrometallurgical Processing	375
	Copper Concentrate Leaching Developments by Phelps Dodge Corporation	389
	Hydrometallurgical Applications of Rheology Testing	407
	The Development and Implementation of Industrial Hydrometallurgical Gallium and Germanium Recovery	421
	The Sepon Copper Project: Development of a Flowsheet	447
	The Teck Cominco HydroZinc™ Process	463
	Removal of Phosphorous from Lisakovsky Iron Ore by a Roast-Leach Process	477
	On-Line Analyzers in Hydrometallurgical Applications	491
	Environmental Hydrometallurgy	499
	Recycling	501
	Recycling Non-Ferrous Metals from U.S. Industrial Waste	503
	Copper Recovery from Waste Printed Circuit Board	515
	Metal Recovery from Electronic Scrap by Leaching and Electrowinning IV	525
	Recovery of Zinc(H) from Spent Hydrochloric Acid Solutions from Zinc Hot-Dip Galvanizing Plants	537
	Recycling of ZnO Flue Dust to Produce Zinc by Hydrometallurgical Routes	553
	Recovery of Cobalt and Tungsten from Scrap Carbide Pieces Through a Hydrometallurgic Route	565
	Selective Leaching of Platinum and Palladium by Chloride Solution	577
	Recovery of Chromium(VT) from Electroplating Rinse Water: The Development of a Hollow Fibre Solvent Extraction Process	589
	Precipitation	601
	Neutralisation and Precipitation of Iron(III) Oxides at Ambient Temperatures Using Caustic, Lime or Magnesia	603
	The Precipitation Chemistry and Performance of the Akita Hematite Process – An Integrated Laboratory and Industrial Scale Study	617
	Recent Developments in Iron Removal and Control at the Zinc Corporation of South Africa	635
	Iron(II) Oxidation by SO2/O2 in Uranium Leach Solutions	651
	Reactions of Carbon Dioxide with Tri-Calcium Aluminate	665
	Removal of Thallium from Wastewater	677
	Adaptation of Dilute Mold Lime Dual Alkali Scrubbing at Stillwater Mining Company's PGM Smelter	689
	Gypsum Fouling in Neutralization Reactors and Aqueous Streams	701
	The Behaviour of the Lanthanide Elements During Jarosite Precipitation	715
	Recovery of Cerium by Oxidation/Hydrolysis with KMNO4-NA2CO3	733
	Compartmental Modelling of an Aggregating Batch Gibbsite Precipitator	743
	Gibbsite Crystal Growth in Caustic Aluminate Solutions Under Different Flow Regimes	753
	Selective Precipitation of Cobalt from Ammonia Leach Solutions: Recent Experience at the Corefco Refinery in Fort Saskatchewan	763
	Selective Precipitation for Cobalt and Molybdenum Recovery from a Synthetic Industrial Waste Effluent	769
	Acid Rock Drainage	781
	Remediation of Acid Mine Drainage at the Friendship Hill National Historic Site with a Pulsed Limestone Bed Process	783
	Development of SRB Treatment Systems for Acid Mine Drainage	797
	High Rate Biotechnology to Produce Low Cost Sulfide for the Selective Recovery of Metals from Acid Wastewater – Commercial Case Studies	807
	Prevention of Acid Mine Drainage from Open Pit Highwalls	821
	Application of Lignosulfonates in Treatment of Acid Rock Drainage	833
	Arsenic	847
	The Removal ofArsenic from Process Solutions: Theory and Industrial Practice	849
	Biological Water Treatment for Dissolved Metals and Other Inorganics	863
	Sorption of Arsenate from Aqueous Solution with Manganic Ferric Oxyhydroxide	873
	Preparation, Characterization and Solubilities of Adsorbed and Co-Precipitated Iron (III)-Arsenate Solids	883
	Adsorptive Removal ofArsenic and Fluoride by Using Orange Juice Residue	897
	Removal of Arsenic by Red Mud from Contaminated Waste Water	911
	General	919
	Biosorption of Heavy Metal Ions from Wastewater by Streptomyces Viridosporus	921
	Metal Waste Prevention by SLM	931
	The SO2/O2 System as a Novel Technology for the Remediation of Contaminated Sediments	943
	Separation of Copper, Nickel and Cobalt in Sulphate and Chloride Solutions by Solvent Extraction	953
	Reclamation of Cobalt and Copper from Copper Converter Slags	959
	The Use of PB Isotopes, Total Metals Analysis and Total Metals Ratio to Characterize PB Transport and Fate in an Interrupted Stream, Aravaipa Creek, SE Arizona	973
	Author Index	987