Magnetic Separation (Leaving Cert Engineering): Flashcards
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Magnetic separation
Magnetic separation
Physical method to concentrate ores by separating magnetic materials
Primary use of magnetic separation
Primary use of magnetic separation
Iron ore concentration
What magnetic separation separates in iron ore
What magnetic separation separates in iron ore
Iron particles from clay and rock
Main benefit of magnetic separation
Main benefit of magnetic separation
Reduces transport costs by removing waste early
Why ore is crushed in magnetic separation
Why ore is crushed in magnetic separation
Increases surface area for effective separation
Key principle of magnetic separation
Key principle of magnetic separation
Difference in magnetic properties between ore and waste
Iron's magnetic property
Iron's magnetic property
Strongly attracted to magnetic fields
Role of magnetised roller
Role of magnetised roller
Creates strong magnetic field for separation
What happens to magnetic particles (iron ore)
What happens to magnetic particles (iron ore)
Attracted to magnetic roller, pulled to one side
What happens to non-magnetic materials
What happens to non-magnetic materials
Fall away into separate collection area
Function of hopper in magnetic separation
Function of hopper in magnetic separation
Feeds powdered ore into the system
Function of conveyor belt
Function of conveyor belt
Transports material past the magnetic roller
When magnetic separation works best
When magnetic separation works best
Clear difference in magnetic properties between ore & waste