Educational guide 2015_16
E. T. S. de Enxeñaría de Minas
Grao en Enxeñaría dos Recursos Mineiros e Enerxéticos
 Subjects
  Ore concentration
   Contents
Topic Sub-topic
DIDACTIC UNIT 1. Crushing systems. Introduction to the mineral processing and his technology - Mineral substances, metallic minerals and no metallic
- Methods of mineral processing
- Costs of the mineral processing
- Diagrams of flow
- Efficiency of the operations of mineral processing: liberation (fragmentation) and concentration (enrichment).
- Introduction to the technologies of liberation and enrichment: reduction of the size, ranking, concentration, flotation, magnetic separation and electrostatic energy.
DIDACTIC UNIT 2. Mill systems. Reduction of size. -Fragmentation of the solid and his aim
- Theory of wool fragmentation
- Energetic law
- Types of fragmentation and stages
- Fragmentation by compression: crusher of jaws, rotation crusher and cones.
- Fragmentation by percussion: mills of hammers and mixed
- Fragmentation by mixed processes: bars, balls and autogenous
-practical Cases of circuits of calculation of balance of masses in circuits with *machacadoras and mills.
DIDACTIC UNIT 3. Size clasification. Control of Size and Ranking - Direct ranking: screening. Factors, performance and efficacy and teams of screening.
- Indirect ranking: bases, types of settlement, types of sorting , efficacy and performance.
- Practical cases of calculation of balance of masses of circuits with sorters in dry, in wet conditions and working with pulpe.
DIDACTIC UNIT 4.Ore concentration. Gravimetric centration 1. Gravimetric concentration in water.
- Pushbutton JIG
- Tables of shakes
- Spiral Humphreys
- Channels of tips
- Cones Reichert
- Concentrators of centrífugators
- Concentrator Mozley
2. Gravimetric concentration in dense means (DMS)
- Principles
- Liquids of separation
- Separation equips of gravity
- Separation equips of centrifugation
DIDACTIC UNIT 5. Magnetic separation. - Principles
- Teams of separation
- Purification
- Concentration
- Wet way
- dry Road
DIDACTIC UNIT 6. Electrostatic separation - Principles
- Teams of separation
- High tension electrodinamic equips
- Electrostatic equips
- Type rotor
- Type plate
- Of plate
- Of mesh
DIDACTIC UNIT 7: Flotation - Principles
- Types
- Reactives for flotation
- Teams
- Variable in wool flotation
- Selective flotation
DIDACTIC UNIT 8: Heavy flow separation. Pneumatic separation. Introduction to joined processes: mineral-metalurgic process -Principles
-Types
-Influence of mineral process in wool of main metalurgic minerals.
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