Flotation apparatus and flotation method

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United States of America Patent

PATENT NO 9475066
APP PUB NO 20130220894A1
SERIAL NO

13883378

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Abstract

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A flotation apparatus may include a flotation chamber having a side wall and a base, a stirrer, a sparging device associated with the stirrer, a first foam-collecting device arranged in an upper region of the flotation chamber for the purpose of collecting a foam product formed during the flotation process, and a charge line for charging the flotation chamber with pulp, wherein the charge line leads into the flotation chamber at a point above the stirrer and an ejector is present in the charge line. Further, a flotation method is performed in two stages inside a flotation chamber of a flotation apparatus, wherein an ejector is used in a first flotation stage and a stirrer is used in a second flotation stage.

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Patent Owner(s)

Patent OwnerAddress
PRIMETALS TECHNOLOGIES GERMANY GMBHBUNSENSTRASSE 43 ERLANGEN 91058

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Grossmann, Lilla Erlangen, DE 8 14
Krieglstein, Wolfgang Nuremberg, DE 14 61

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