Methods of Extracting Copper from Low Grade Ores: Bioleaching and Phytomining

The video discusses the extraction of copper from low-grade ores using two methods: bioleaching and phytomining. Bioleaching involves bacteria that produce a copper ion solution, which is then processed with scrap iron and electrolysis. Phytomining uses plants to absorb copper ions, which are then extracted from the ash after burning the plants. Both methods are environmentally friendly but produce small quantities of metal over a long time.

What are the two methods of extracting copper from low grade copper ores discussed in the text?

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Explain the process of bioleaching as described in the text.

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What role do certain plants play in the method of phyto mining?

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List the advantages of bioleaching and phyto mining mentioned in the text.

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What are the disadvantages of bioleaching and phyto mining as outlined in the text?

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