Process and apparatus for separating fine particles by...

Details Process and apparatus for separating fine particles by... Process and apparatus for separating fine particles by...

B - Operations, Transporting

03

D

361/34

B03D 1/14 (2006.01) B01F 3/04 (2006.01) B01F 5/04 (2006.01) B01F 5/06 (2006.01) B03D 1/24 (2006.01) C02F 3/20 (2006.01)

Patent

CA 1336213

A method and apparatus are disclosed for the microbubble flotation separation of very fine particles, especially coal, so as to produce a high purity and large recovery efficiently. This is accomplished through the use of a high aspect ratio flotation column, microbubbles, and a countercurrent use of wash water to gently wash the froth. Also, disclosed are unique processes and apparatus for generating microbubbles for flotation in a highly efficient and inexpensive manner using either a porous tube or an in-line static generator.

589293

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