QUALIFICATIONS & EXPERIENCE:
Robert E. McIvor
Chief Metallurgist, Grinding Systems
- Trained and worked as Pump Application Engineer at Allis-Chalmers.
Manager, Process Equipment (including slurry pumps) at Linatex Canada.
numerous plant tests to measure slurry pump performance, at Cleveland-Cliffs
and other locations.
Participated in slurry characterization tests at the GIW test facility.
Conducted numerous grinding circuit optimization studies involving cyclone
feed pump performance measurements and modifications.
Developed instructional manual on slurry pumping.
MILLS & MEDIA
and worked as Grinding Mill Application Engineer at Allis-Chalmers and
numerous projects from (rod, ball, AG/SAG and roller) mill selection,
sale, and manufacture to field tuning and processing performance verification.
of F.C. Bond, C.A. Rowland, R.R. Turner and A.R. MacPherson.
Co-designed and built grinding test facilities and developed Grinding
Mill Application Engineering Manual for Dominion.
Conducted numerous investigations to select/optimize use of grinding
media, several on behalf of Magotteaux Canada.
Co-authored technical review of the effects of grinding media on downstream
processes. Authored technical review on grinding media size(s) selection.
Oversaw testing and process design of Vertimill installation at Hibbing
Developed instructional manuals on rod and ball mill power draw, power
and charge level measurements, and Bond Work Index testing.
Trained and worked as hydrocyclone application specialist (as Manager,
Process Equipment) at Linatex Canada. Instrumental in developing computerized
modeling for cyclone selection. Ran pump/cyclone test circuit. Expanded
the business by capturing a significant portion of the new equipment
Developed and published methodology for grinding circuit cyclone selection
(for new installations) and optimization (of existing installations).
Carried out numerous projects to measure and optimize the performance
of plant pumping/cycloning operations, including inclined cyclones,
two-stage cycloning, and high-efficiency cyclones.
Developed instructional manuals on plant cyclone performance measurement
Conducted investigation into high-pressure pre-grinding
(ahead of a ball mill) of granulated copper slag for use as underground
Investigated several potential uses of high pressure grinding rolls
at Cleveland-Cliffs, including the following.
1. Pre-grinding ahead of a concentrate grinding ball mill.
2. Replacement of rod mills.
3. Replacement of crushing stages combined with pre-treatment for fine
4. Supplementing pebble crushing in an autogenous milling circuit. Each
of these studies included technical and economic evaluations of proposed
installations. The latter materialized into the installation at the
Authored a technical review of the state-of-the-art of high-pressure
grinding technology in the metals mining industry.
specialized modeling approach for optimization of both classification
system and size reduction efficiencies in grinding circuits, namely
the “Functional Performance Equation”. Published several
related technical papers.
Developed a complete, systematic engineering procedure for improving
the performance of plant (conventional) grinding circuits. This was
adapted into a 21 module training program, and has been applied by many
Consulted/worked for numerous companies, including major grinding circuit
optimization studies for the following operations:
- Les Mines Selbaie, Joutel, Quebec
- Kidd Creek Mines, Timmins, Ontario
- Dome Mine, Timmins, Ontario
- Gibraltar Mines, MacLeese Lake, British Columbia
- David Bell Mine, Marathon, Ontario
- Williams Mine, Marathon, Ontario
- Strathcona Mill, Falconbridge Ltd., Sudbury, Ontario
- Curraugh Resources, Faro, Yukon
- Quebec Cartier Mining, Mount Wright Concentrator and Port Cartier Pellet
- Cleveland-Cliffs Inc, at Tilden, Empire, LTV, Northshore and Wabush.
degree in Mining Engineering (University of Saskatchewan, 1971),
Masters in Mineral Economics (McGill University, 1974), and Ph.D.
in Metallurgical Engineering (McGill University, 1989).
- Member of CMP division of CIM, and SME, including several committees and editorial
Conduct comminution portion of Professional Development Seminar in Mineral
Processing bi-annually at McGill University.
- Intermediate level of spoken French.
- Authored many technical articles on grinding and classification, as
well as a complete instructional program for improving plant grinding
areas of expertise include: plant sampling and test work, including
statistical/quality control of data; financial analysis of plant
investments; technical writing/reporting; project management; R&D
project portfolio management; training and design of instruction;