Conditioner for flotation of oxidized coal

B - Operations – Transporting – 03 – D

Patent

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361/2

B03D 1/02 (2006.01)

Patent

CA 1164110

ABSTRACT Condensation products of a fatty acid or fatty acid ester and a hydroxyalkylated polyalkylenepolyamine are useful as conditioners to improve the recovery of clean coal in a froth flotation process. The presence of these condensation products in the flotation medium is particu- larly effective to enhance the recovery of oxidized bitu- minous coal. 28,127-F

391082

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