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Contact Information

• Email: tseal@unr.edu
• Phone: (775) 784-1813
• Office: Mackay Mines 303
• Mail Stop: 173

Degrees

• Professional Engineer (PE) – Mining – Mineral Processing Nevada - 2002
• Ph.D. University of Idaho – Moscow, Idaho: Mining Engineering – Metallurgy – 2004
• M.S. University of Idaho – Moscow, Idaho: Metallurgical Engineering – 1988
• B.S. Oregon State – Corvallis, Oregon: General Science; Environmental Chemistry – 1975

Research Interests

• Acid Rock Drainage - Insitu Treatment
• Mercury Abatement - Process development for Hg removal in mineral processes to reduce environmental impact
• 4-D Heap Leaching (3-D with time) via Hydro-Jex©
• Modeling Heap Leach Recovery
• Rock Dump and Heap insitu drying
• Cu leaching with IX and electrowinning
• As removal from drinking water via electrochemistry
• Property Evaluation and process development
• Use of Biooxidation for cellulose oxidation to sugars for EtOH production
• Biomass gasification for flotation reagent production and byproduct liquid and gas fuel production
• Hydrometallurgy leaching of Pb and Zn with recovery
• New reactor designs, including Hydro, Biohydro and Electrometallurgy

Professional Activities

• SME Registered Member
• SME PE Committee Member
• Eastern Oregon Mining Association
• Board of Director - Eastern Oregon Mining Association
• Director of the Institute for Mineral Resource Studies

Relevant Past Experience

• Newmont Mining Corp - Manager of Metallurgical Technology & Senior Metallurgist
• Inventor of the Hydro-Jex Technology
• Professional Engineer - Nevada: Mining - Mineral Process Engineer
• Mining and Metallurgical Qualified Person for 43-101
• Mining and Engineering work in Canada, South America, Africa, Alaska and Western USA
• MSHA Miner

Publications

• Open Pit Ore Control for Cyanide Heap Leaching - SME 2000
• Reduction of Gold Inventory in Cyanide Heap Leaching - SME 2005
• HYDRO-JEX: Heap Leach Pad Stimulation Technology: Ready for World Wide Industrial Adoption? - SME 2007
• Integrating Hydro-Fracturing Technology and Geophysics into 3D Mapping and Extraction of Metals in Heap Leaching; HYDRO-JEX and High Resolution Resistivity™ - SME 2008

Courses Taught - Some Online

• Heap Leach Design and Optimization
• Hydrometallurgy
• Pyrometallurgy
• Precious Metal Metallurgy
• Metal Recycling