Copper Hydromet RoundTable 2000
The Westin La Paloma, Tucson, AZ
September 5-8 2000
Agenda (as of 9/1/00)
Monday, September 4
7:30 a.m.
Field Trip departs: Heap and Dump Leaching, ISL in Arizona
(advance separate registration required)
Tuesday, September 5
8:00 a.m.
Workshop: Fundamentals of Copper Hydrometallurgy
(advance separate registration required)
5:30 p.m.
7:30 p.m.
Welcome Reception in the Exhibition Area
Free for Dinner
Wednesday, September 6
7:00 a.m.
7:00 a.m.
Conference Registration desk opens
Speaker Breakfast (Wednesday speakers only please)
Keynote Addresses: A vision of the future for base metal hydrometallurgy
Chair: John O. Marsden, Phelps Dodge Mining Company, Phoenix, AZ
8:00 a.m.
Hans von Michaelis, Randol International Ltd, Golden, CO
Outlook for copper price: Walking a tightrope
8:10 a.m.
M. Curtis Nielson and Mark F. Vancas, Bateman Engineering Ltd., Tucson, AZ
Future directions and opportunities in copper hydrometallurgy
8:30 a.m.
Malcolm Lake, Ivanhoe Mines Ltd., Vancouver, BC
Letpadaung – The epitome of the hydromet advantage
Heap and Dump Leaching Optimization - I
Chair: John L. Uhrie, Phelps Dodge Mining Company, Safford, AZ
8:50 a.m.
Larry Wilton, Phelps Dodge Mining Company
Metallurgical testing and development for the Morenci mine-for-leach project
9:10 a.m.
Steve Dixon, Phelps Dodge Mining Company
Definition of economic optimum for leaching of high acid consuming copper ores
9:25 a.m.
Edwin A. Rood, Phelps Dodge Mining Company, Technology Development Center,
Safford, AZ
A comparison of column testing techniques
9:45 a.m.
Jörg E. Heller, CODELCO, Chuquicamata, Chile
Dearcodox, and its effects and benefits in the dump leaching process
10:00 a.m.
Coffee Break in the Exhibition Area
Heap Leach Optimization - II
Chair: John L. Uhrie, Phelps Dodge Mining Company, Safford, AZ
10:40 a.m.
John Kemeny, University of Arizona, Tucson, AZ
Applications of imaging software for size distribution analysis in heap leach optimization
11:00 a.m.
Mike O’Kane, O’Kane Consultants Inc., Saskatoon, SK
Heap leach optimization through a better understanding of saturated and unsaturated
flow
11:20 a.m.
Amado Guzman, Water Management Consultants, Tucson, AZ and Ivan Carrera,
CODELCO, Chuquiquamata, Chile
Heap leach optimization for the RAMSA (Ripios MinaSur Aglomerado) project,
Chuquicamata
11:40 a.m.
John Chahbandour, Water Management Consultants, Denver, CO, and Ivan Carrera,
CODELCO, Chuquiquamata, Chile
Hydrodynamic characterization of ore at the design stage for optimum heap leaching
operations
12:00 p.m.
Dr. Manuel Neira, BHP, Santiago, Chile
BHP-Tintaya Oxide Leach Project
12:20 a.m.
Discussion
12:30 p.m.
Lunch in Exhibition Area
1:40 p.m.
Operator Panel Discussion:
Heap & Dump Leaching Optimization
Chair: John O. Marsden, Phelps Dodge Mining Company, Phoenix, AZ
Above mining company speakers plus:
John L. Uhrie, Phelps Dodge Mining Company, Safford, AZ
(5-min)
Robert V. Washnock, Silver Bell Mining LLC, Marana, AZ
(5-min)
Malcolm Lake, Ivanhoe Mining, Vancouver, BC
(5-min)
Additional operators welcome
3:00 p.m.
3:40 p.m.
Coffee Break in Exhibition Area
Rick Gilbert, Phelps Dodge Mining Company, Process Technology Center, Safford, AZ
Review of Phelps Dodge Mining Company’s Process Technology Center
hydrometallurgical facilities
4:00 p.m.
Consultant Panel Discussion: Heap & Dump Leaching Optimization - II
Chair: John O. Marsden, Phelps Dodge Mining Company, Phoenix, AZ
Above vendor and consultant speakers plus:
James Moore, Rahco International, Inc., Spokane, WA
Important parameters to take into account in the design stage from a material handling point of
view (5-min)
Sharon K. Young, Versitech Inc., Tucson, AZ
Opportunity to optimize leaching costs by leaching at a higher pH relative to copper leach rate,
copper leach recovery, ore decrepitation, lift heights, multiple lifts and acid consumption at the
higher acid prices (5-min)
John Kemeny, University of Arizona, Tucson, AZ
Mike O’Kane, O’Kane Consultants Inc., Saskatoon, SK
Mike Bernard, TNT Terra Nova Technologies, El Cajon, CA (5-min)
Andrew Watson, Knight Piésold and Co., Tucson, AZ (3-5 min)
Energy Cost Optimization
Chair: Hans von Michaelis, Randol International Ltd., Golden, CO
5:00 p.m.
Victor Bush, URS Corp., Denver, CO
Total energy cost management
Panel Discussion
Above speaker plus:
Mike Canty, U.S. Department of Energy, Energy Efficiency Department, Washington, DC
USDOE research incentives for energy efficient technologies (10-min)
Marshall D. Bishop, Chevron-Phillips Mining Chemicals Inc., Bartlesville, OK
Fuel cells – food for thought (5-min)
James Moore, RAHCO International, Inc., Spokane, WA
Energy cost impact on material handling design (5-min)
5:30 p.m.
7:30 p.m.
Reception in the Exhibition Area
Sponsor Dinner
(admission by ticket: all registered delegates are invited, but you need to confirm your seat by September 5)
Copper Hydromet RoundTable 2000
The Westin La Paloma, Tucson, AZ
September 5-8, 2000
Thursday, September 7
7:00 a.m.
7:00 a.m.
Conference Registration desk opens
Speaker Breakfast (Thursday speakers only please)
Bio-Oxidation of Sulfide Minerals - I
Chair: Ab Bruynesteyn, Westcoast Biotech Ltd., North Vancouver, BC
8:00 a.m.
Corale Brierley, Brierley Consultancy LLC, Highlands Ranch, CO
Bioleaching: What’s the future?
8:20 a.m.
John L. Uhrie, Phelps Dodge Mining Company, Process Technology Center, Safford, AZ
A review of secondary sulfide leaching; chemical ferric leaching versus biological
contribution
8:40 a.m.
Ab Bruynesteyn, Westcoast Biotech Ltd., North Vancouver, BC
Summary of findings of the chalcopyrite bio-oxidation think tank held in Holland in June
1999
9:00 a.m.
Peter Craven, Billiton SA Ltd., Johannesburg, South Africa and Pedro Morales,
CODELCO-Chile, Santiago, Chile
Alliance Copper: the Billiton-CODELCO strategy for commercializing copper bioleaching
9:20 a.m.
Petrus J. van Staden and Anthony Pinches, Mintek, Randburg - Gauteng, South Africa;
Michael Rhodes, BacTech Australia Pty Ltd., Perth, W. Australia and Teodoro E.
Martínez Cavazos, Servicios Industriales Peñoles S.A. de C.V.
Process engineering of base metal concentrate bioleaching
9:40 a.m.
Discussion
10:00 a.m.
Coffee Break in Exhibition Area
Bio-Oxidation of Sulfide Minerals - II
Chair: Ab Bruynesteyn, Westcoast Biotech Ltd., North Vancouver, BC
10:40 a.m.
Nora Paños, Leaching S.R.L., San Juan, Argentina
Bio-Deshydrometallurgy: Enhanced bio-oxidation results in dry conditions
11:00 a.m.
Gregory J. Olson and Thomas R. Clark, Little Bear Laboratories, Inc., Golden, CO and
Herb Osborne, H.C. Osborne & Associates, Commerce City, CO
General Minerals Vizcachitas Project – Bioleaching chalcopyrite concentrate and low
grade ore
11:20 a.m.
B.M. Nyombolo, J.W. Neale and Petrus J. van Staden and Anthony Pinches, MINTEK,
Randburg-Gauteng, South Africa
Bioleach liquor neutralisation
11:40 a.m.
Rik Vos, B.C. Research, Vancouver, BC
Challenges in piloting bio-oxidation processes
12:00 a.m.
Discussion
12:30 p.m.
Lunch in the Exhibition Area
1:30 p.m.
Panel Discussion: Bio Oxidation of Sulfides
Chair: Dr. Ab Bruynesteyn, Westcoast Biotech Ltd., North Vancouver, BC
Above speakers plus:
James A. Brierley, Newmont Mining Company, Englewood, CO
Response of microbial populations to thermal stress in biooxidation heaps (5-min)
Wolfgang Baum, Phelps Dodge Mining Company, Safford, AZ
(5-min)
How metallurgical mineralogy can be used to optimize heap and dump leaching bio-oxidation
results
Gearld Fountain, Cambior Inc., Miami, AZ
3:00 p.m.
(5-min)
Coffee Break in Exhibition Area
Oxidation of Sulfide Concentrates
Autoclave Application & Optimization
Co-chairs:
Bob Brewer, Phelps Dodge Mining Company and Roman M.
Berezowsky, Dynatec Corporation, Fort Saskatchewan, AB
3:40 p.m.
Heather Evans, Western Minerals Technology Pty Ltd., Osborne Park, W.A.
Economic advantages of Activox® for the treatment of dirty concentrates
4:00 p.m.
C. Joe Ferron and Chris A. Fleming, Lakefield Research Ltd., Lakefield, ON; P. Terry
O’Kane, O’Kane Consulting, Vancouver, BC and David Dreisinger, University of British
Columbia, Vancouver, BC
The application of the PlatSol® process to copper-gold concentrates
4:20 p.m.
David L. Jones, Cominco Engineering & Services Ltd., Richmond, BC
Advances and economics of copper gold concentrate treatment by pressure leaching
4:40 p.m.
Panel Discussion: Oxidation of Sulfide Concentrates
Co-chairs: Bob Brewer, Phelps Dodge Mining Company and Roman M. Berezowsky,
Dynatec Corporation, Fort Saskatchewan, AB
Above speakers plus:
Michael J. Collins, Dynatec Corporation, Metallurgical Technologies Division, Fort
Saskatchewan, AB
Copper concentrate pressure leaching topic (5-min)
Oxidation of Sulfide Concentrates
Microwave applications
Co-chairs: Bob Brewer, Phelps Dodge Mining Company, Safford, AZ and Roman M.
Berezowsky, Dynatec Corporation, Fort Saskatchewan, AB
5:10 p.m.
Mark F. Vancas, Bateman Engineering Ltd., Tucson, AZ
Practical applications of microwaves to base metal sulfide treatment
5:30 p.m.
Reception in Exhibition Area
7:30 p.m.
Free for Dinner
Copper Hydromet RoundTable 2000
The Westin La Paloma, Tucson, AZ
September 5-8, 2000
Draft Agenda
Friday, September 8
7:00 a.m.
7:00 a.m.
Conference Registration desk opens
Speaker Breakfast (Friday speakers only please)
Environmental & Tailings Management
Chair: Andrew Watson, Knight Piésold & Company, Tucson, AZ
8:00 a.m.
Andrew Watson, Knight Piésold & Company, Tucson, AZ
The importance of water balance modeling in reclamation and closure planning for heap
and dump leaching
8:20 a.m.
V. (Ram) Ramachandran, ASARCO Incorporated, Salt Lake City, UT
Treatment of aqueous effluents for removal and/or recovery of metals in non-ferrous
metals industry – a review
8:40 a.m.
Rick Lawrence, P. Brad Marchant and David Kratochvil, Biomet Mining Corporation
Vancouver, BC
The Biosulfide Process: Sulfate and metal removal to produce salable products
9:00 a.m.
D. Casey Roe, BetzDearborn Division of Hercules, Trevose, PA
Benefits of chemical dust control technologies on the economics of copper leaching
9:20 a.m.
Clem Pelletier and George Poling, Rescan Environmental Services Ltd, Vancouver, BC
Submarine tailings deposition advances
9:40 a.m.
Discussion
10:00 a.m.
Coffee Break in Exhibition Area
Solvent Extraction and Electrowinning
I – Solvent Extraction and Resin Ion Exchange
Chair: Jackson G. Jenkins, Phelps Dodge Morenci, Inc., Morenci, AZ
10:40 a.m.
Mike Giralico, LIGHTNIN, Rochester, NY
SX: Computational Fluid Dynamics (CFD) settler optimization
11:00 a.m.
Val Ness, Consultant, Littleton, CO
Alternatives to conventional mixer settlers
11:15 a.m.
Zimi Meka, Ausenco Ltd., Brisbane, Queensland
SX-EW plant designs that reduce capital costs
11:30a.m.
Bror Nyman, Outokumpu Research Oy, Pori, Finland
Compactness – A key feature of the OK-SX design for copper
11:50 a.m.
S.R. Izatt, R.L. Bruening, N.E. Izatt and J.B. Dale, IBC Advanced Technologies, Inc.,
American Fork, UT and P.J. Cilliers, Molecular Recognition Technology (Pty) Ltd.,
Boksburg, South Africa
Extraction and recovery of cobalt, copper and nickel from the various hydrometallurgical
feed streams using molecular recognition technology
12:10 a.m.
Gary Kordosky, Steve Olafson and Cathryn Hahn, Cognis Corporation, Tucson, AZ
Iron control strategy in copper solvent extraction plants, the case for a wash stage
12:30 p.m.
Lunch in Exhibition Area
Solvent Extraction – Electrowinning
II – Electrowinning
Chair: Harold Danilkewich, SNC-Lavalin, Toronto, ON
1:30 p.m.
Anders Haag, Ron Pariani, Outokumpu Wenmec, Lithia Springs, GA and Tim Robinson,
CTI ANCOR, Dallas, TX
Outokumpu and CTI ANCOR copper electrowinning cell developments
1:50 p.m.
Carl W. Brown, Michael S. Moats and Zoilo J. Colon, ELTECH Systems Corporation,
Fairport Harbor, OH and Jose Luis Lopez & Moises Encinas Vasquez, Grupo Mexico
Mexicana de Cananea, Sonora
Commercial evaluation of mesh-on-lead technology at Mexicana de Cananea
2:10 p.m.
Sharon K. Young, Versitech Inc., Tucson, AZ
Significant potential benefits of an alternate EW anode reaction (10-min)
2:20 p.m.
Alejandro Lillo, Royston Lead Ltd., Santiago, Chile
Tankhouse ventilation
2:40 p.m.
3:00 p.m.
Discussion
Coffee Break in Exhibition Area
3:40 p.m.
Panel Discussion: Solvent Extraction-Electrowinning
Chair: Harold Danilkewich, SNC-Lavalin, Toronto, ON
Above speakers plus:
Jackson G. Jenkins, Phelps Dodge Morenci, Morenci, AZ
Next generation electrowinning tankhouse technology (5-min)
Malcolm Lake, Ivanhoe Mines, Vancouver, BC
Learning from commissioning at a large SX-EW plant in Myanmar (5-min)
Robert V. Washnock, Silver Bell Mining LLC
Mark F. Vancas, Bateman Engineering Ltd., Tucson, AZ
Deep bed settler concept and benefits – 5 minutes
David Goodman, Nemato Composites Inc., Whitloy, ON
Effective materials of construction for SX Units (3-5 min)
Ammonia Leaching of Copper Sulfide Concentrates
Chair: Martin H. Kuhn, The Minerals Advisory Group, Tucson, AZ
4:15 p.m.
Nathaniel Arbiter, Tucson, AZ
History, chemistry, past challenges and benefits of ammonia leaching of Cu sulfide
concentrates
4:30 p.m.
Martin Kuhn, The Minerals Advisory Group, Tucson, AZ
Ammonia-should we sound taps?
4:45 p.m.
Terrence P. McNulty, T.P. McNulty & Associates, Tucson, AZ
Sulfate disposal need not be as difficult as it was in Anaconda’s Arbiter plant
5:00 p.m.
R. Brantley Sudderth, Cognis Corporation, Tucson, AZ
New developments in SX extractants of metals from ammoniacal solutions
5:15 p.m.
Panel Discussion: Ammonia leaching of Copper sulfide concentrates
Chair: Martin Kuhn, The Minerals Advisory Group, Tucson, AZ
Above speakers plus:
Manuel Lastra, BHP Minerals, Reno, NV (5-min)
Roman M. Berezowsky, Dynatec Metech Division, Fort Saskatchewan, AB (5-min)
Heather Evans, Western Minerals Technology Pty Ltd., Osborne Park, W.A. (5-min)
Innovative ammonia recovery from ammonium sulfate solutions
5:45 p.m.
Meeting adjourns