Monday
April 3rd
Morning
Opening Addresses
Poster Introductions
Afternoon
Technical Session 1- Biohydrometallurgy
Combined bio-hydrometallurgical process for
gold recovery from refractory stibnite
S. Ubaldini, C. Abbruzzese (CNR, Italy) F. Veglio (University of
Genoa, Italy), and L. Toro (University La Sapienza, Italy)
Removal of heavy
metals from metallurgical waste streams by biosorptive flotation
C. Aldrich and D. Feng (University of Stellenbosch, South
Africa)
Fungal bio-leaching of low grade laterite ores
M. Valix, F. Usai and R. Malik (University of Sydney,
Australia)
The electro-sorption properties of Ni, Co and Fe on laterite
gangue leached with an organic chelating acid
M. Valix, F. Usai and R. Malik (University of Sydney,
Australia)
The role of iron hydroxy precipitates in the passivation of
chalcopyrite during bioleaching
M.B. Stott and D. Sutton (University of Western Australia),
H.R. Watling (A.J. Parker CRC for Hydrometallurgy, Australia) and
P.D. Franzmann (CSIRO Land and Water, Australia)
Biooxidation as
pre-treatment for a telluride-rich refractory gold concentrate
M. Climo, H.R. Watling and W. van Bronswijk (A.J. Parker CRC
for Hydrometallurgy, Australia)
Tuesday April 4th
Morning
Technical Session 2- Gold and Silver Ores
Gold electrowinning from thiourea solutions
C.M. Juarez (National University of San Juan, Argentina) and
A.J.B. Dutra (University of Rio de Janeiro, Brazil)
Evaluation of a
diagnostic leaching technique for gold in native gold and
gold-silver tellurides
K.J. Henley (Amdel Ltd, Australia), N.C. Clarke (Imtech Pty
Ltd, Australia) and P. Sauter (Homestake Gold, Australia)
Proceso de Patio,
a contribution to hydrometallurgy for the recovery of silver from
ores
A.L. Valdivieso and A.G. Betancourt (Universidad de San Luis
Potosi, Mexico)
Factors affecting the
cyanidation of gold ores
W.H. Cheung (University of Sydney, Australia) and R.J.
Massard (James Cook University, Australia)
Effect of lead nitrate on
cyanidation of gold ores: progress on the study of the mechanisms
G. Deschenes et al (CANMET, Canada) and S. Jin et al (Laval
University, Canada)
The cyanide
leaching of gold in solutions containing sulfide
M.I. Jeffrey and P.L. Breuer (Monash University, Australia)
Gold leaching
kinetics using thiosulfate in the presence of copper and ammonia
P.L. Breuer and M.I. Jeffrey (Monash University, Australia)
The effect of ore type on leaching and adsorption dynamics at
Telfer Gold Mine
K.L. Rees, J.S.J. van Deventer (University of Melbourne,
Australia) and R.C. Dunne (Newcrest Mining, Australia)
A methodology for
determining the deportment of cyanide losses in gold plants
M.D. Adams (Oretest Pty Ltd, Australia)
Corrosion of grinding
balls in gold cyanidation plants
S. Bailey (A.J. Parker CTC for Hydrometallurgy, Australia),
B. Kinsella and D. Clover (Curtin University, Australia)
Afternoon
Technical Session 3- Non-Precious Metal Ores
An
electrochemical study of the oxidative dissolution of synthetic
nickel-iron sulphides in "commercial" aqueous media
F. Chilese (University of Zambia), N.M. Rice and N. Taylor
(University of Leeds, UK)
X-ray photoelectron
spectroscopy and scanning Auger microscopy study of chalcopyrite
surfaces leached by acidic ferric solutions
C. Klauber et al (A.J. Parker CRC for Hydrometallurgy,
Australia)
Kinetic control
factors for the dissolution of iron sulfide species due to
reductive and oxidative mechanisms
J.E. Thomas, W.M. Skinner and R. St. C. Smart (Ian Wark
Research Institute, Australia)
Downstream processing
of synthetic cobalt sulphide leach liquor- Ramu Nickel Project
D. Furfaro, S. Jayersakera (Oretest Pty Ltd, Australia) and
P. Mason (Highlands Pacific Ltd, Australia)
Surface layer control
for improved copper recovery for chalcopyrite leaching
S. Harmer et al (Ian Wark Research Institute, Australia)
Ammonia leaching of a
complex low grade copper ore at atmospheric pressure
C.H. Xu (Jiangxi Copper Ltd, China), R. Newell and K.B. Quast
(University of South Australia)
Wednesday April 5th
Technical Session 4- General Hydrometallurgy
The transfer of proven SX column technology from the oil
and gas chemical industries into the mineral processing
industries
J.D. Sullivan (J.D. Sullivan & Assoc. Pty Ltd,
Australia), R.W. Cusack (KOCH Process Technologies Inc., USA) and
N. Streltsova (Oretest Pty Ltd, Australia)
pH control in solvent extraction
using pulsed column
G. Johnson (Western Minerals Technology, Australia)
Recovery of sulphuric acid from copper tank house electrolyte
bleeds
K. Gottliebsen, B. Grinbaum, D. Chen and G.W. Stevens
(University of Melbourne, Australia)
New generation
leaching reactors for effective mass transfer in mineral
processing operations
L. Lorenzen and A.W. Kleingeld (University of Stellenbosch,
South Africa)
An antimony
electrowinning process
F.P. Gudyanga, T. Sisya and J. Chifamba (University of
Zimbabwe)
Flowsheeting in the
spreadsheet environment
D. Wiseman (David Wiseman Pty Ltd, Australia)
SO2/O2
as an oxidant in hydrometallurgy
W. Zhang, P. Singh (Murdoch University, Australia) and D.
Muir (A.J. Parker CRC for Hydrometallurgy, Australia)
Alkaline conversion
of magnesium fluoride and sodium fluoride electrolysis in a
membrane cell
J.L. Booster, A. van Sandwijk and M.A. Reuter (Delft
University of Technology, The Netherlands)
A novel electrostatic
solvent extraction (ESX) contactor for cobalt-nickel separation
M.K. Briggs, C.Y. Cheng (A.J. Parker CRC for Hydrometallurgy,
Australia) and D.C. Ibana (WA School of Mines, Australia)
Afternoon
Technical Session 5- Environmental
Environmental performance of the INTEC copper process: a
life cycle approach
D.P. Giurco, M. Stewart, J.G. Petrie and E.J. Wellham
(University of Sydney, Australia)
Recycling and growth of Agentinian ammonium jarosite particles
F. Patino et al (Universidad Autonoma del Estado de Hidalgo,
Mexico)
The effect of the
degree of polymerisation of silicate on the immobilisation of
heavy metals in geopolymers
J.W. Phair, J.S.J. van Deventer, and J.D. Smith (University
of Melbourne, Australia)
Characterisation of the degradation of various immobilised
matrices containing fly-ash and jarosite during leaching tests
J. Pienaar and L. Lorenzen (University of Stellenbosch, South
Africa)
Poster Presentations
The
effect of additives and impurities on the cobalt electrowinning
process
M.I. Jeffrey, W.L. Choo and P.L. Breuer (Monash University,
Australia)
Optimizing conditions
for producing purified molybdenum trioxide from roasted
molybdenite of Sarcheshmeh by hydrometallurgy
M.H. Shariat, N. Setoodeh (Shiraz University, Iran) and R.A.
Dehghan (National Iranian Copper Industries, Iran)
Leaching of atacamite
(Cu2(OH)3Cl
using dilute sulphuric acid
K. Quast (University of South Australia)
Sulfuric acid leaching of gold refractory Brazilian ore for
copper extraction
F.D. Mendes and A.H. Martins (UFMG, Brazil)
Leaching of manganese
dioxide ores by carbohydrates as reducing agents in sulphuric
acid solutions
F. Veglio (Universita degli Studi di Genova, Italy), F.
Beolchini (Universita degli studi de L'Aquila, Italy), M. Trifoni
and L. Toro (Universita degli Studi "La Sapienza",
Italy)
An innovative
thiourea leaching of gold and silver from a carbonaceous silver
concentrate
S. Xu, G. Zhu, R. Chi, J. Xu (Tsinghua University, China) and
C. Zhang (Central University of Technology, China)
Synthesis of zeolite
adsorbents by hydrothermal treatment of PFA wastes: a comparative
study
C. Poole, N.M. Rice and H. Prijatama (University of Leeds,
UK)
Electrochemical
studies on dissolving mechanism of gold in thiosulfate solutions
Z. Guocai et al (Tsinghua University, China) and C. Jiayong
(Chinese Academy of Sciences, China)
Cadmium removal from
diluted aqueous solutions by electrowinning in a flow-by cell
A.J.B. Dutra, A. Espinola and P.P. Borges (University of Rio
de Janeiro, Brazil)
Removal of arsenic,
lead and cadmium from industrial effluent and water
P.K. Naik and M. Pattanaik (Regional Research Laboratory,
India)
An investigation of the Cu(II) adsorption mechanism on pyrite
by XPS and TOF-SIMS
C. Weisener and A. Gerson (Ian Wark Research Institute,
Australia)
Counter-current ion
exchange for the removal of organically bound sodium from
low-rank coals
K. Quast (University of South Australia)
The influence of
cyanide ions in alkaline solutions on the surface oxidation of
pyrite electrodes- exsitu Raman spectroscopy
S.I. Bailey, A.H. Munjoma and M.N. Lehmann (A.J. Parker CRC
for Hydrometallurgy, Australia)
Equilibrium model for the selective sorption of gold cyanide on
different ion-exchange functional groups
G.C. Lukey and J.S.J. van Deventer (University of Melbourne,
Australia)
The effect of aqueous
phase conditions on the geopolymerisation of feldspar
H. Xu and J.S.J. van Deventer (University of Melbourne,
Australia)
Optimisation of
dewatering in the minerals industry
P.J. Scales et al (University of Melbourne, Australia)
Microbial heap leaching of copper
and gold from a sulphide ore
S.N. Groudev et al (University of Mining & Geology, Bulgaria)
The effect of
calcination conditions of magnesite on magnesia hydration
V.S. Santos, S.D.F. Rocha and V.S.T. Ciminelli (Universidade
de Minas Gerais, Brazil)