expertise in mineral grinding systems
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Professional Qualifications & Experience
Kyle M. Bartholomew - Senior Metallurgist

Research Coordinator / Acting Director, Mineral Processing
Coleraine Minerals Research Laboratory; Natural Resources Research Institute
University of Minnesota, Duluth

  • Applied, contract research and development for commercial mining clients
  • Bench-scale mineral grinding  and concentration
  • Pilot-scale mineral grinding  and concentration
  • Pilot-scale High Pressure Grinding Roll (HPGR) testing
  • Iron ore, copper/nickel/PGM, ilmenite flowsheet development & improvement
  • Managed analytical laboratory (size analysis, Bond WI testing, chemical analysis)
  • Supervised technicians and engineers

Senior Chemical Engineer
Minnesota Technical Assistance Program; University of Minnesota, Twin Cities

  • Attained AEE Certified Energy Manager (CEM) qualification
  • Conducted industrial energy audits of paper mills, iron ore concentrators, wastewater treatment facilities, and iron foundries
  • Supervised engineering student interns placed at industrial facilities

Staff Engineer
Seagate Technology; Bloomington, Minnesota

  • Designed, fabricated, and tested microelectromechanical (MEMS) positioning prototypes for disc drive read-write heads
  • Conducted advanced metrology (SEM, surface topography) and analysis for air bearings
  • Developed image analysis software to identify production defects

Metallurgical Engineer
Cleveland Cliffs, Ishpeming, Michigan

  • Trained in Metcom Technologies (GPD) methods
  • Performed grinding circuit simulations using USIMPAC and Finch-McIvor modeling tools
  • Conducted plant grinding studies at the Empire Mine, Wabush Mines, Hibbing Taconite, and the Tilden Mine

Bachelor of Science, Chemical Engineering; Michigan Tech. Univ. (1998)
Master of Science, Management of Technology; Univ. of Minnesota, Twin Cities (2012)
Co-inventor of a pending direct reduced iron processing patent
Co-inventor of four issued US Patents for disc drive technologies

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