Biological Methods of Extracting Metals: Pros and Cons

The video discusses traditional and biological methods of metal extraction. Traditional methods involve chemical reactions or electrolysis, while biological methods use plants and bacteria to extract metals from low-grade ores. Bioleaching uses bacteria to form copper ions in a solution, while phytoextraction involves growing plants that absorb metals. Biological methods are environmentally friendly but slower and less profitable than conventional techniques. As high-grade ores deplete, biological methods may become more viable.

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