B - Operations – Transporting – 03 – D
Patent
B - Operations, Transporting
03
D
B03D 1/24 (2006.01) B03D 1/14 (2006.01)
Patent
CA 2171033
A novel apparatus for use in frothless flotation. The apparatus includes a cover which is sealingly engaged to the top of the flotation column and a wash-water tank in communication with the upper part of the flotation column wherein the level in the wash-water tank is maintained at or above the level of the cover thereby preventing the formation of a froth layer in the column. The apparatus is adapted to recycle the pulp and the tails. Gas is introduced to the feed and/or recycled tails in motionless mixers. Bubble-pulp separators are provided which re-circulate pulp to enhance the quality of the yield.
Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Natural Res
Macrae & Co.
Negeri Tesfaye
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