ESCI SUM3 - Processing Minerals and Reducing the Negative Effects of Mining

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9 Terms

1
  • sampling and analysis

  • comminution

  • concentration

  • dewatering

primary steps involved in processing minerals

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2

sampling

the removal of a sample portion that represents a whole needed for the analysis of this material

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3

analysis

important in evaluating the valuable components in an ore. This includes chemical, mineralogical, and particle size analysis.

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4

comminution

the process where a rock is crushed or broken down into smaller pieces

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5

concentration

the seperation of valuable minerals from the raw materials, creating an end product called concentrate

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6

optical seperation

a process used in the concentration of minerals with distinct contrasting colors

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7

density seperation

a process that uses the density of minerals as the concentrating agent, and performs a sink and float seperation of water and the grounded minerals.

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8

flotation seperation

the most widely used method that makes use of the mineral’s induced surface physicochemical properties.

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9

electrostatic separation

is a process that separates the mineral based on their electe

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