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Glossary

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Glossary
Pregnant leach solution

Pregnant leach solution

A solution containing dissolved copper minerals. Often abbreviated to PLS.

Related Content

Leaching

Leaching is a process whereby metallic compounds are dissolved by chemicals. Leaching is a common method of treating ore mined from low grade deposits, particularly copper or gold ores. For these type of ores, material from the mine is stacked in ‘heaps’ on surface and a chemical solution is then dripped onto the heaps The […]

Leach profile

Some materials leach quicker than others. The leaching profile of a particular orebody or deposit describes the phases that comprise the process of leaching. There is usually an initial ‘bloom’ phase, where most of the in-situ metal is dissolved over a relatively short period of time and the solution, pregnant with leached metal, is high […]

Leach curve

A leach curve charts the progress of the leaching process by plotting the metal grade of the pregnant leach solution against time, usually in days.

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