Manufacturers of reagents do not have a sufficient assortment of reagents for rare earth minerals

What do you think:
What reagents do they use for the flotation of rare earth minerals?
What minerals do they flotate with these reagents?
What minerals do they separate?
What problems do they have?

When you can answer these questions, you will have an idea of the scope of the problem.

Ph.D. Natalia Petrovskaya