RECOVERY OF NICKEL AND COBALT FROM LATERITES BY SONIC ASSISTED SULFATATION
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United States of America Patent
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Issued Date -
Sep 24, 2015
app pub date -
Jun 27, 2014
filing date -
Mar 20, 2014
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Abandoned
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Abstract
There is thus provided a method allowing the recovery of metallic values from laterites by the action of rather diluted sulfuric acid on nickel and cobalt-bearing laterites, at atmospheric pressure and near ambient temperature, assisted by ultrasonic treatment. With an acid concentration in the range for example between about 25 and about 50 weight % of sulfuric acid, under atmospheric pressure, sonication, extracting metallic values from the slurried laterites is thus achieved at room temperature.
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