The purpose of comminution in aggregates processing is to reduce the size, improve the particle shape and increase the surface area of aggregate products.
Comminution also is used in mining to free useful materials from matrix materials in which they are embedded and to concentrate minerals.
Christensen has 34 years of experience in comminution circuits and mineral process flow sheets.
He was a mineral process engineer at the Tilden and Eveleth Taconite iron ore plants, and he also worked in research and development for the Cleveland Cliffs Iron Company and Eveleth Taconite.
As a technical sales engineer/manager for 26 years, Christensen has worked on development and sales for a wide range of comminution equipment, including crushing and screening capital equipment.
Christensen has a bachelor’s degree in Geology and a master’s degree in Minerals Process Engineering. He also has attended Rauma’s Business School and the Mercury Goldman Sales Course.
