M INERALS ADVISORY GROUP, LLC
DONALD A. SCHULTZ
REGISTRATION
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Registered Professional Engineer in Arizona and Utah
EDUCATION
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1961, Metallurgical Engineer Degree, Colorado School of Mines
Illinois Institute of Technology, Post Grad. Chemical Engineering Courses
SUMMARY
Fifty (50) years experience in consulting, engineering, operations, and project management for non
ferrous pyrometallurgical, ore concentrating, chemical processing, and precious metals recovery plants.
EXPERIENCE
Process Engineer (14 years)
 Design of glass and metallurgical sand preparation facility
 Scoping and feasibility studies for copper smelters, electro refineries, gas reforming,
anhydrous ammonia and ammonium sulfate plants
 Design of steam and partial oxidation types of natural gas reformers
 Copper smelting process comparison studies
 Precious metals recovery and refining (parting) plant design and costs
 Design of "black ash" reduction, precipitation, and granulation processes for strontium carbonate
production
 Evaluation of, testing at, and specification preparation for molybdenite roasting processes
 Design and capital cost estimates for process waste gas handling systems
 Design and specification for a ZnSO4 solution purification and ZnSO4.H2O granulation plant
 Development and detailed design of a byproduct Na2U2O7 (yellowcake) recovery plant
Services to Corporate and Project Management (7 years)
 Process and capital cost estimate audit for a 40,000-tpd Bolivian lead/zinc concentrator project
 Capital cost estimate audit for a $700 million 1999-dollar Peruvian copper smelter expansion
 Prepared replacement value cost estimates for two U.S. copper smelters for (1) tax valuation appeal and
(2) establishment of a corporate smelter subsidiary
 Served on engineer contractor selection committee for 50,000-tpd copper concentrator and infrastructure
facilities
 Audit for capital and operating cost projections for three (3) uranium process plant site reclamation
projects
 Capital and operating cost estimating and estimate auditing for metallurgical process plants
Project Manager (14 years)
 2,000 tpd sulfuric acid unloading facility and rail yard
 Copper solvent extraction plant expansion
 60,000 tpd copper concentrator flotation plant expansion
 200 tpd fluid bed copper concentrate roasting and arsenic trioxide recovery plant at a remote
Philippine location, 20 million 1980 dollars
 ISA-smelt furnace uptake replacement
 8,000 tpy smelter for platinum group metal recovery from auto catalyst, 34 million 1995 dollars
 Waste gas control for manganese ore roasting facility, 9 million 1999 dollars
 Copper Heap Leach Modification and Improvements at large Arizona open-pit copper mine
 Copper leach, precipitation, flotation plant conversion for 2,000 tpd Bolivian gold leach plant
 Design and erection of a hydrogen sulfide generation facility, 10 tpd H2S.
Construction Erection Superintendent (3 years)
 Gold and silver milling, flotation, and carbon adsorption plant in Saudi Arabia, plant cost 20 million 1987
dollars
 12,000 tpd ore ball mill fast track replacement after discharge trunnion failure during operation
Project Engineer (5 years)
 Gold and silver milling, flotation, and carbon adsorption plant in Saudi Arabia, plant cost 20 million 1987
dollars
 Domestic copper smelter expansion project costing 280 million 1976 dollars
Plant Manager/Engineer/Foreman (7 years)
 Managed fluid bed roaster and arsenic trioxide plant in Philippines, 2 years
 Smelter refractory mason foreman
 Natural gas reforming plant supervisor
 Metallurgical control in ilmenite (titanium) concentrating plant, 2 years
 Metallurgical control in open hearth steel making shop
PUBLICATIONS
Pollution Control and Energy Consumption at U.S. Copper Smelters, Journal of Metals, January 1978
EMPLOYMENT HISTORY
1999-Present – Consulting Metallurgical and Chemical Engineer, Tucson
1994-1999– Bateman Engineering Company, Tucson/Denver
1991-1994 – The Winters and BKS Engineering Companies, Tucson
1986-1991 – Mountain States Mineral Enterprises, Tucson
1980-1986 – Lepanto Consolidated Mining Company, Philippines
1968-1980 – A.G. McKee and Company/Davy McKee Corp., San Francisco 19611968 – Inland Steel Company, National Lead Company, Phelps Dodge Corp.
Donald A. Schultz