Method of dewatering a slurry
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United States of America Patent
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-
Apr 29, 1980
Grant Date -
N/A
app pub date -
Aug 4, 1978
filing date -
Aug 4, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A slurry, such as of sulfide-type copper ore, is separated into a coarse suspension and a fine suspension. The coarse suspension is centrifuged to separate the solid and liquid phases thereof. The fine suspension may be centrifuged or filtered separately from the coarse suspension similarly to separate its solid and liquid phases. The solid phases of both of these separation operations are then mixed together and can be used for further smelting. It is also possible according to this invention to use a drum centrifuge both for the initial separation into fine and coarse suspensions and for the dewatering for the coarse suspension.
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