Podcast
Questions and Answers
What is the optimal pH range for maximum bioleaching results?
What is the optimal pH range for maximum bioleaching results?
- pH 3.5-4.0
- pH 1.5-2.0
- pH 2.5-3.0 (correct)
- pH 4.5-5.0
What is the purpose of adding surfactants in bioleaching?
What is the purpose of adding surfactants in bioleaching?
- To decrease surface tension and enhance bacterial contact (correct)
- To reduce mechanical agitation
- To increase metal concentration
- To increase oxygen supply
What is a key factor in providing adequate oxygen for leaching bacteria?
What is a key factor in providing adequate oxygen for leaching bacteria?
- High-temperature maintenance
- Mechanical agitation
- Aerators and pipes (correct)
- Surfactant addition
What is an environmental advantage of bioleaching over conventional mining techniques?
What is an environmental advantage of bioleaching over conventional mining techniques?
What is a cost-related advantage of bioleaching?
What is a cost-related advantage of bioleaching?
What is a characteristic of bioleaching technology?
What is a characteristic of bioleaching technology?
What is the main drawback of bioleaching?
What is the main drawback of bioleaching?
Which microorganism is responsible for oxidizing chalcopyrite?
Which microorganism is responsible for oxidizing chalcopyrite?
What is the byproduct formed in the reaction of bioleaching?
What is the byproduct formed in the reaction of bioleaching?
What percentage of leached copper originated from bioleaching of sulfide copper minerals in 2010?
What percentage of leached copper originated from bioleaching of sulfide copper minerals in 2010?
What percentage of bioleached copper originates from heap bioleaching secondary copper ores?
What percentage of bioleached copper originates from heap bioleaching secondary copper ores?
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