Low grade Ore Extraction

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Phytomining and Bioleaching (Compound Extraction Methods)

Copper 

Use high grade ore (high percentage of copper in)

Process of smelting (heating in large furnace)

Electrolysis/displacement

This method produces a lot of pollution and damages the environment

It is also not renewable

Want to extract from low grade ores (sometimes less than 1%)

Methods include Phytomining and Bioleaching

After this process, electrolysis/displacement is also used

Phytomining

Grow certain type of plant on low grade copper ore

Plants take up the ore and put it in tissue

Burn…

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