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Dennis Murr

Metallurgical Engineer

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Dennis Murr has nearly 50 years of metallurgical experience with mineral processing and pelletizing. His project work includes mining, crushing, mineral processing, agglomerating, pelletizing, and alternate fuel combustion. He assists clients with pilot plant testing, process flowsheets and modeling, due diligence and feasibility studies, capital and operating cost estimates, and benchmarking evaluations. He has provided these and other services to iron ore facilities, iron and steel making facilities, and industrial minerals plants throughout the Midwest and as far away as Venezuela, Russia, Turkey, and Australia.


Prior joining Barr, Dennis spent 32 years with Hanna Mining Company/National Steel Corporation at their National Steel Pellet Company in Keewatin, Minnesota. He has also worked at Pilot Knob Pellet Company, Butler Taconite, and Iron Ore Company of Canada.


(218) 262-8627

service area lead

mining and minerals processing engineering
mining and minerals processing engineering


BS, Metallurgical Engineering, Michigan Technological University


Barr Engineering Co.
3128 14th Avenue East
Hibbing, MN 55746

Phone: 218-262-8600
Fax: 218-262-3460
Toll free: 800-225-1966