Collector such as reverse flotation, the collector quartz iron oxide ore, which comprises:
R — O(CH 2 ) 3 NH 2   ( R=C 8 ~ C 14 the same)
R — O(CH 2 ) 3 NH 3 NHCH 2 NH 2
R — O(CH 2 ) 3 NHCH 2 COOH
R — O(CH 2 ) 3 NH(CH 2 ) 3 NHCH 2 COOH
In recent years, an amine collector of the general formula RNH(CH 2 ) 4 NH 2 has been proposed , which can be used for flotation of scheelite .
Another etheramine derivative
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Another etheramine derivative
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C 10 H 21 — O — CH 2 CH 2 CH 2 — N — CH 2 COONa | ||
- | ||
H | ||
Used for flotation of lead , copper , uranium and rare earth minerals.
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