One of the methods of purification of leach liquor is ion exchange, which involves_________________?
Correct answer: C. Exchange between a liquid phase and an organic resin phase
- A. Exchange between two liquid phases
- B. Exchange between a gaseous phase and a liquid phase
- C. Exchange between a liquid phase and an organic resin phase
- D. Exchange between a solid phase and a gas phase
Explanation
Ion exchange removes dissolved ions by contacting the leach liquor with an insoluble organic resin containing exchangeable ions. It is therefore an exchange between a liquid phase and an organic resin phase.
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