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Questions and Answers
What is the critical bacterial oxidation involved in microbial leaching of copper?
What is the critical bacterial oxidation involved in microbial leaching of copper?
- Oxidation of copper ion (Cu3+) to cuprous ion (Cu2+)
- Oxidation of ferric ion (Fe3+) to ferrous ion (Fe2+)
- Oxidation of copper ion (Cu2+) to cupric ion (Cu3+)
- Oxidation of ferrous ion (Fe2+) to ferric ion (Fe3+) (correct)
What is the primary bacterial species involved in uranium leaching?
What is the primary bacterial species involved in uranium leaching?
- Pseudomonas aeruginosa
- Leptospirillum ferrooxidans
- Acidithiobacillus thiooxidans
- Acidithiobacillus ferrooxidans (correct)
What is the form in which uranium becomes highly soluble during leaching?
What is the form in which uranium becomes highly soluble during leaching?
- Uranium oxide (UO3)
- Uranyl sylfate (UO2SO4) (correct)
- Uranium hydroxide (U(OH)4)
- Uranium chloride (UCl4)
What is the role of Acidithiobacillus ferrooxidans in gold leaching?
What is the role of Acidithiobacillus ferrooxidans in gold leaching?
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What is the primary method used for microbial leaching of copper?
What is the primary method used for microbial leaching of copper?
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What percentage of worldwide copper mining is obtained by microbial leaching?
What percentage of worldwide copper mining is obtained by microbial leaching?
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What is the pH of the dilute sulfuric acid added in microbial leaching of copper?
What is the pH of the dilute sulfuric acid added in microbial leaching of copper?
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What is the primary function of the precipitation pond in microbial leaching of copper?
What is the primary function of the precipitation pond in microbial leaching of copper?
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