Preface ....................................................... iii
Electrochemistry of Flotation
Electrochemical Studies on Heazlewoodite Flotation from
Inco Matte ...................................................... 3
R. Rao and J. Finch
Improving the Flotation Behavior of a Sulfide Ore by
Controlling Electrochemical Interactions during Grinding ........ 9
S. Grano and G. Huang
Single Particle Microelectrodes for Electrochemical Analysis
of Sulfide Flotation Processes ................................. 21
J.D. Miller, T. Vermaak and M. Moats
Electrochemical Study of the Interaction Galvanic Between
Pyrite and Arsenopynte Through Measurements of Electrode
Potentials and Determinations of Contact Angle ................. 35
M. Monte, C. Albuquerque, Jr. and A. Dutra
Electrochemical Interactions in Flotation and Leaching
Use of an Evaporated Gold SERS Substrate to Detect 2-
Mercaptobenzothiazole on Sulfide Mineral Surfaces .............. 49
G.A. Hope, F. Buckley, R. Woods and K. Watling
A SERS Investigation of the Interaction of Sulfur with Gold .... 61
K. Watling, G. Parker, G.A. Hope and R. Woods
Frequency Changes Observed with the EQCM Resulting from
Hydrophilic/Hydrophobic Transitions ............................ 73
R. Woods and M. I. Jeffrey
Surface Stoichiometry of Lead Sulfide and the Sorption of
Xanthates ...................................................... 83
P. Nowak
Specific Characteristics of Noble Metal Nanoparticles on
Sulfide Minerals Observed by XPS and STS ....................... 95
Y.L. Mikhlin, A. Romanchenko and L. Makhova
XPS, Static SIMS and NEXAFS Spectroscopic Investigation of
Thiol Adsorption on Metals and Metal Sulfides ................. 107
A.N. Buckley, S. Goh, R. Lamb, L. Fan and Y. Yang
Surface Products on Gold Leached in Ammoniacal Copper(II)
Thiosulfate Solution .......................................... 121
K. Watting, G. A. Hope, M. I. Jeffrey and R. Woods
Galvanic Interactions Between Gold and Sulfides during
Thiosulfate Leaching .......................................... 133
M.I. Jeffrey, D. Thompson, C. Chu and P. Breuer
Electrochemical Study of a Flotation Zinc Concentrate in
Sulfuric Acid: Galvanic Interactions Affecting the Rate
of Dissolution of Sphalerite .................................. 143
J. Nava, I. González and D. Nava
Electrochemical Behavior of the Oxidation and Reduction
Processes for Pyrargyrite (Ag3SbS3) in Acidic Media ........... 155
R. Luna-Sánchez and I. González-Martinez
Electrochemistry of Leaching
The Active-to-passive Transition of Chalcopyrite .............. 165
G. Viramontes-Gamboa, B. Rivera-Vasquez and D.G. Dixon
Gold Enhanced Observation of Surface Products in
Chalcopyrite Dissolution ...................................... 177
G.A. Hope, G. Parker and R. Woods
Reductive Leaching of Chalcopyrite by Aluminum ................ 189
F. Doyle and G. Lapidus
The Electrochemistry of the Leaching Reactions in the Caron
Process. I. Anodic Processes .................................. 197
A. N. Nikoloski and M. Nicol
Electrochemical Characterization of Galena under Simulated
Carbonate Rich Weathering Conditions .......................... 209
R. Cruz, R. Lara-Castro and M. Monroy
Electrochemical Aspects of the Nitric Acid Leaching of Lead
Sulfide Concentrates: on the Way to a Highly Effective
Method for Pb Recovery ........................................ 221
Y. L. Mikhlin, A. Kholmogorov, G. Pashkov and E. Mikhlina
Model Predictions of Metal Leaching from Waste Electrical
and Electronic Equipment in Chlorine-Containing Acidic
Aqueous Chloride .............................................. 231
G. Kelsall, C. Cheng and A. Robson
A Rotating Disk Electrochemical Dual Autoclave for the
Study of Electrochemistry and Leaching at High Temperature
and Pressure .................................................. 243
I. Lazaro and M. I, Jeffrey
Tuesday Evening Poster Session
The Influence of Galena Galvanic Interaction on the
Reactivity of Chalcopyrite Flotation Concentrate .............. 255
D. Nava and I. González
Electrodeposition
The Effect of Additives on the Electroless Deposition of
Gold from a Thiosul fate-Ascorbic Acid Bath ................... 267
M.I. Jeffrey and A. Angstetra
EQCM Study of the Influence of Copper Ions on the Adsorption
of Polyethylene Glycol and Bis(sodium sulfopropyl) Disulfide
at a Copper Cathode ........................................... 281
F. Doyle, R. Ding, X. Zhang and J. Evans
Electrodeposition of Iron in Aqueous Ferrous Sulfate
Solution: Role of Ammonium Ion ................................ 293
K. Osseo-Asare, M. Deelo and K. Weil
Hydrodynamic Modeling of Copper Electrodeposition at a
Vertical Rotating Cylinder Electrode .......................... 303
С.P. Fabian, P. Mandin, M. Ridd and M. Sheehan
Gold Electrowinning from Acidic Aqueous Chloride in a Packed
Bed Electrode ................................................. 317
G. Kelsall, C. Cheng, M. Diaz and A. Robson
Electrocrystallization Behavior of Copper Electrodeposited
from Aqueous Sulfuric Acid with Thiourea and Chloride
Additives ..................................................... 329
C. Huang, J. Chang and F. Hsu
Evaluation of the Effects of Additives, Pulsing, and
Temperature on Morphologies of Copper Electrodeposited from
Halide Media .................................................. 335
M. Free, A. Rodchanarowan, N. Phadke and R. Вhide
Cathode Guides for Conventional Copper Electrorefining
Reactors Employing Starter Sheet Cathodes ..................... 345
E. Guerra and J. Shepherd
Electrochemical Study of Copper(II) Reduction from Ammonia-
Chloride Solutions ............................................ 355
R. Cruz and J. Vazquez
Development and Scale-up oftheFFC Cambridge Process ........... 365
D. Hodgson, D. Fray, L, Slevin, D. Jackson, A. Fones,
I. Mellor, S. Brewer and S. Male
Development of Inert Anode Materials for Electrowinning in
Calcium Chloride Melts ........................................ 369
K. Mcgregor, E. Frazer, A. Urban, M. Pownceby and
R. Deutscher
Density, Viscosity, and Conductivity of Tetraalkyl
Phosphonium Ionic Liquids ..................................... 381
J.W. Vaughan, D. Dreisinger and J. Haggins
Electrochemical Preparation of Fe-Mn Alloy Film in Organic
Bath .......................................................... 393
G A. Hope, P. Liu, Q. Yang, G. Li and Y. Tong
Formation Processes of Chemically Deposited Copper Sulfide
Thin Films .................................................... 401
C.G. Munce, G. Parker and G.A. Hope
Characterization of Cr-Ni Multilayers from Chromium(III)-
Nickel(II) Baths Using Pulse-Current Plating .................. 413
C. Chen, C. Hsu, U. Liu and C. Huang
Author Index .................................................. 419
|
