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1. (WO2003055608) METHOD AND APPARATUS FOR MAKING FLOTATION MORE EFFECTIVE

Pub. No.:    WO/2003/055608    International Application No.:    PCT/FI2002/000977
Publication Date: Jul 10, 2003 International Filing Date: Dec 3, 2002
IPC: B03D 1/14
B03D 1/18
Applicants: OUTOKUMPU OYJ
ORAVAINEN, Heikki
Inventors: ORAVAINEN, Heikki
Title: METHOD AND APPARATUS FOR MAKING FLOTATION MORE EFFECTIVE
Abstract:
The invention relates to an apparatus for making flotation more effective, said apparatus comprising a flotation cell provided with appropriate flotation means and a feed element such as a pipe for feeding slurry into the flotation cell; in the feed element (1), there is arranged at least one feed nozzle (2) for adding air into the slurry before the slurry enters the flotation cell (6). In addition, the invention relates to a method for making flotation more effective by using the apparatus according to claim 1, said apparatus comprising a flotation cell provided with appropriate flotation means, and a feed element such as a pipe for feeding slurry into the flotation cell, so that into the slurry flowing in the feed element (1), there is fed air through at least one feed nozzle (2) before the slurry enters the flotation cell (6).