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Improved Flotation Kinetics by Intense In-line Agitation.

Authors
Hood-GD; Jordan-CE
Source
SME Preprint 91-142 1991 :6 pages
Link
NIOSHTIC No.
10009127
Abstract
The U.S. Bureau of Mines investigated rapid froth flotation through the use of more efficient bubble-particle collisions that improved the overall flotation kinetics. An in-line static mixer efficiently mixed the air bubbles, water, and ore, rapidly attaching the hydrophobic mineral to the bubble surface. As the mixture entered the flotation chamber, the hydrophobic mineral was already attached to the bubbles and was quickly floated away from the remaining ore pulp. A rougher concentrate containing 4.5 pct copper was obtained from a western porphyry copper ore containing 0.67 pct copper. Over 99 pct copper was recovered from the ore at a rate seven times faster than conventional flotation.
Publication Date
19910101
Document Type
OP;
Fiscal Year
1991
NTIS Accession No.
NTIS Price
Identifying No.
OP 78-91
NIOSH Division
TURC;
Source Name
SME Preprint 91-142, 1991, 6 PP.
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