Podcast
Questions and Answers
What is the primary consideration in the implementation of any leaching operation?
What is the primary consideration in the implementation of any leaching operation?
- Desorption of reaction products
- Degree of dissolution (correct)
- Selectivity of leaching
- Diffusion of reaction products
In a leaching process, what constitutes a loss of the metal if it remains unreacted in the ore after leaching?
In a leaching process, what constitutes a loss of the metal if it remains unreacted in the ore after leaching?
- Rate of desorption
- Diffusion rate
- Selectivity of leaching
- Degree of dissolution (correct)
What controls the overall rate of the leaching process according to the presented information?
What controls the overall rate of the leaching process according to the presented information?
- Chemical reactions on the surface
- Degree of desorption
- Degree of dissolution
- Diffusion from surface vicinity (correct)
Why is selectivity of leaching an important factor in a leaching operation?
Why is selectivity of leaching an important factor in a leaching operation?
Which factor influences the viability of a leaching operation by affecting the dissolution reactions of the metallic species?
Which factor influences the viability of a leaching operation by affecting the dissolution reactions of the metallic species?
If one wanted to increase the overall rate of a leaching process, which mechanism should be focused on, based on the information provided?
If one wanted to increase the overall rate of a leaching process, which mechanism should be focused on, based on the information provided?
What is the term used to describe the solution produced after the leaching process is completed?
What is the term used to describe the solution produced after the leaching process is completed?
What should be the solubility of waste minerals in the solution to achieve an acceptable separation of valuable and waste minerals during leaching?
What should be the solubility of waste minerals in the solution to achieve an acceptable separation of valuable and waste minerals during leaching?
What determines the rate at which the leaching reaction proceeds in a single stage leaching process?
What determines the rate at which the leaching reaction proceeds in a single stage leaching process?
What does the thermodynamic characteristics of the reaction system indicate in a leaching process?
What does the thermodynamic characteristics of the reaction system indicate in a leaching process?
Which mechanisms are involved in determining the overall leaching rate in a single stage leaching process?
Which mechanisms are involved in determining the overall leaching rate in a single stage leaching process?
Why is it important for waste minerals to have low solubility in the leach solution?
Why is it important for waste minerals to have low solubility in the leach solution?
How does particle size influence the leaching process?
How does particle size influence the leaching process?
How does the selectivity of leaching reactions impact the purity of the metal-bearing solution?
How does the selectivity of leaching reactions impact the purity of the metal-bearing solution?
What determines the cost of the leaching process?
What determines the cost of the leaching process?
How does the capital cost of leaching equipment vary significantly?
How does the capital cost of leaching equipment vary significantly?
Which factor influences the amount of time needed to dissolve a metal from ore?
Which factor influences the amount of time needed to dissolve a metal from ore?
Why does the leaching rate slow down as time passes in a shrinking-core model?
Why does the leaching rate slow down as time passes in a shrinking-core model?
