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                     EdRockMan Comminution Course Content

Session 1
  1. Discussing Comminution energy: How much is a lot?
  2. Energy consumption in the mining industry and its importance.
  3. Direct (electrical) versus indirect (embodied) energy usage.
  4. Circuit Specific Energy and Ore type.

Session 2
  1. Ore Characterization Tests
  2. Bond theory, CWi, RWi, BWi
  3. SMC Test®, Mia, Mib, DWi, Mih, Mic
  4. HPGR and SAG Pilot Testing.

Session 3
  1. Circuit Design Concepts
  2. Economies of Scale, Have we reached the limit?
  3. Ore type and grind size.
  4. SAG Vs.. HPGR Vs.. Crushing Vs. Ball Milling.

Session 4
  1. Worked example - Total circuit specific energy, which circuit is best for me?
  2. Worked Example – Evaluating the performance of an SABC circuit

Session 5
  1. Mill power draw modelling
  2. Effect of mill speed, mill filling, ball charge and slurry density.
  3. Fully autogenous (AG) versus Semi-Autogenous (SAG) milling.
  4. Morrell power model versus other published models

Session 6
  1. Circuit Modelling and Engineering Trade Off Studies
  2. Using Comminution Data in JKSimMet.
  3. Demonstrate Power Draw Analysis in Comminution Equipment.
  4. Evaluation of SAG versus HPGR versus Crushing in JKSimMet.
  5. Secondary crushing as an option, when your circuit is in trouble

Session 7
  1. Modelling
  1. Advances in Dem modelling
  2. Introduction to Rocky3
  3. Modelling particulates
  4. Modelling of breakage
  5. Modelling wear
  6. Modelling Crushers, Mills, Conveyors and Chutes
  7. A transition period from Plant Design to Plant
  8. Optimization • Shifting goalposts : Coarse Mineral Liberation and Mill Operating Conditions – New Opportunities
  9. Modelling Mill Performance using DEM modelling techniques to better understand emerging opportunities.

Session 8
  1. Worked example - Predicting the power draw of a SAG/AG/Ball mill
  2. Worked example – Selecting the right circuit concept and equipment for duty
         Workshop Session
         Question & Answer Session


Dr. Mike Daniel is a member of EdRockman IV LLC and a Respected Independent Mineral Processing Consultant, specializing in Comminution (Crushing and Grinding), with over 25 years industry experience. Following a career in Project Management and Mineral Resource Management with Anglo American Corporation and De Beers (DebTech) in South Africa, Dr. Daniel migrated to Australia in 2000 and completed a Masters (2002) and PhD (2007) degree at the University of Queensland. Mike established his own consulting business, CMD Consulting Pty Ltd in 2007.
The firm offers Specialized Consulting Services in the areas of Ore Characterization, Circuit Design and Eco-Comminution® (Energy Efficient Processing). Brisbane-based, Dr. Daniel has extensive experience in the Design and Application of High Pressure Grinding Rolls Technology(HPGR) and trade-off studies that compare circuits that incorporate HPGR technology to circuits with SAG/AG Mills. Dr. Daniel’s clients have included Anglo American, Xstrata/Glencore, Straits Resources, Vale, Ausenco, Cliffs, Vedanta, CBH Resources,
Boteti Mining and CITIC-HIC. In the past 18 months, Dr Daniel has under took, on behalf of CITIC-SMCC PT several design and optimization projects using IP which has been developed by Dr Stephen. Consulting company SMCC Pty LTD which was owned by Dr. Morrell was sold to the Chinese Mill Manufacturer CITIC-HIC to form a new independent company CITICSMCC Process Technology which provides consulting services to the broader minerals industry.

Specialties: Comminution Circuit Design, Comparing HPGR, SAG Mills, AG Mills, Crushers
1) Conventional HPGR Vs.. SAG trade off studies.
2) CB Vs. SAB Vs. SABC Vs. 2C/SAB Vs. 2C/HPGR/BM Vs. SS SAG Vs. ABC Vs. SS AG.
3) Effect of Secondary Crushing and Blasting.
4) Diamond Processing HPRC Vs. AG mills and Conventional Crushing and Scrubbing Plant Design.  Economies of Scale - Diamond Processing.
5) Ore Characterization and Data Analysis.
a) Comminution tests: SPI, Axb, Bwi, Rwi,Cwi, Geometallurgy.
b) Comminution test (SMC Test®, DWi, Mia, Mib, Mic, Mih).
c) Modelling and Simulation (critical review of competitors)
6) Specialties: Project peer review (Third party).                                                           
7) Review of Sedar NI 43-101 technical reports : Process Section.
a) Compiling of Sedar NI 43-101 technical reports : Process Section.
8) Review engineering scoping/concept study, trade off study, PFS, FS.
 The best way to predict the future is to create it.