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US 2021/0260603 A1Published application
Iron chelators as activators in alkaline flotation circuits
AssigneeBASF SE
InventorsAdrian Mauricio Villanueva Berindoague, Dale Barron, Daniel Chipfunhu, Alexej Michailovski, Scott Alexander Dickie, Marta Reinoso Garcia, Deris Prawira
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Abstract
The present invention is directed to a method for selectively recovering a mineral from an ore applying a promoter being a substituted ethylene diamine. Further, the present invention is directed to the use of said substituted polymeric alkylenediamine to separate a target mineral from an ore.
Claims20
A method for selectively recovering a mineral from an ore, comprising:
- i) grinding the ore,
- ii) preparing a pulp of the ground ore obtained in step i),
- iii) adding at least one promoter comprising at least one substituted polymeric alkylene diamine to the pulp obtained in step ii), and
- iv) subjecting the pulp containing the at least one promoter obtained in step iii) to froth flotation.
1 more element
Dependencies are inferred from the claim text.