B - Operations – Transporting – 03 – D
Patent
B - Operations, Transporting
03
D
361/2
B03D 1/02 (2006.01)
Patent
CA 1150425
ABSTRACT Certain ether amines and their derivatives are useful to improve the recovery of clean coal in a froth flotation process. The presence of these ether amines and derivatives in the flotation medium is par- ticularly effective to enhance the recovery of oxidized bituminous coal. The ether amines normally effect a higher percent coal recovery than conditions used pre- viously.
379606
Smart & Biggar
The Dow Chemical Company
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