Fossil resin flotation from coal by selective coagulation...

Details Fossil resin flotation from coal by selective coagulation... Fossil resin flotation from coal by selective coagulation...

B - Operations, Transporting

03

D

361/2

B03D 1/02 (2006.01) B03D 1/04 (2006.01)

Patent

CA 2009936

Abstract of the Disclosure Disclosed is a process for separating resin from a mixture of resin-bearing coal particles by increasing the pH of a froth flotation process to a value of at least 12. Particles of reduced size resin-bearing coal are preferably mixed with water to from a slurry. The pH of the slurry is then adjusted with a chemical agent to about 12. The slurry is then subjected to froth flotation. The coal particles aggregate to one another allowing the remaining resin-rich particles to attach to the bubbles formed during the flotation process. A much improved separation efficiency for resin flotation from coal is observed.

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