AMIT 145: Introduction to Mineral Benefication

This course provides an overview or introduction into the field of mineral beneficiation and comminution, systems and equipment used for the mineral processing industry.  Fundamentals of basic separation and mineral beneficiation, environmental concerns,  safety and terminology will be explored.


Course Information

Credits: 3

Prerequisites: Placement in Mill Operations OE program

Instructional Goals

  1. Describe and explain the liberation and concentration principles of mineral recovery
  2. Describe particle size analysis and its importance for recovery
  3. Describe the reagent process and how it is used.
  4. Describe flotation circuit processes and its basic operation
  5. Describe the different types of dewatering circuits and their basic operation.
  6. Describe the water treatment process and its basic operation.
  7. Explain mill circuit capacities vs efficiency/recovery
  8. Explain efficiency of mineral processing operations

Student Outcomes

Student Outcomes
Upon successful completion of the course, the student will be able to do the following:
Assessment Procedures
This outcome will be assessed by one or more of the following:
Students demonstrate an understanding of safety as applied to working in a mill facilityPerformance answering identified mill safety test questions
Students demonstrate proper safety practices around rotating equipmentObserved performance demonstrating proper (general) safety practices required around rotating equipment
Students demonstrate knowledge of various types of liberation and concentration equipmentPerformance answering identified liberation and concentration circuit equipment test questions

Observed performance identifying various types of liberation and concentration equipment components
Students demonstrate knowledge of various types of dewatering circuitsPerformance answering identified dewatering equipment circuit test questions

Observed performance identifying various dewatering unit components
Students demonstrate knowledge of various types of froth flotation systemsPerformance answering identified froth flotation test questions

Observed performance identifying froth flotation unit components and associated equipment
Students demonstrate knowledge of reagents and their applicationsPerformance answering identified reagent application and performance questions

Observed performance identifying reagent performance and application
Students demonstrate knowledge of water treatment circuits/systems used in mill operationsPerformance answering identified water treatment process test questions

Observed performance identifying water treatment circuit components and associated equipment
Students demonstrate knowledge of efficient mill operations involving liberation, concentration, and water treatmentPerformance answering identified mill process operation and efficiency test questions

Observed performance identifying proper operation of mill processes, and ability to summarize efficiency

Course Outline

  1. Liberation and concentration principles
    1. Liberation (comminution) system terminology
    2. Comminution system components
    3. Comminution principles/targets (particle size analysis)
    4. Concentration system terminology
    5. Concentration methods/principles
  2. Flotation Circuits
    1. Froth flotation terminology
    2. Froth flotation system components
    3. Froth flotation principles of operation
    4. Froth flotation normal operation
    5. Froth flotation analysis/control parameters
  3. Dewatering circuits
    1. Dewatering equipment types
    2. Dewatering terminology
    3. Principles of dewatering/efficiency
    4. Dewatering system normal operation
    5. Dewatering system abnormal operation
  4. Reagents
    1. Reagent terminology
    2. Reagent principles/applications
    3. Reagent performance measures
    4. Reagent application methods
    5. Reagent safety and environmental concerns
  5. Mill water treatment
    1. Water treatment terminology
    2. Water treatment system components
    3. Water treatment principles/methods
    4. Water treatment environmental/efficiency concerns
  6. Communition & Concentration analysis and efficiency
    1. Guidelines for proper communition operation/efficiency
    2. Guidelines for proper froth flotation circuit operation/efficiency
    3. Guidelines for proper dewatering circuit operation/efficiency
    4. Guidelines for proper water treatment operation/efficiency
    5. Mill circuits process variables

Suggested Text

Wills’ Mineral Processing Technology, 8th edition
B.A Wills, James Finch PhD, Butterworth-Heinemann publisher, 2015

Bibliography

DACUM Research Chart for Mill Operator
Produced for Teck Alaska Inc. Red Dog Mine – June 2015
Prepared by John P. Hakala
ApprenticeshipUSA United States Department of Labor