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nickel processing technology 10 years on from cawse, bulong and ...

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Polymet Mining of Canada are developing the NorthMet<br />

Project in Minnesota, USA, with the PLATSOL Process<br />

which uses high pressure oxidati<strong>on</strong> at 220-230 o C.<br />

It is the largest undeveloped n<strong>on</strong>-ferrous metal project in<br />

the U.S. Polymetallic sulfide deposit c<strong>on</strong>taining platinum,<br />

palladium, gold, copper, <str<strong>on</strong>g>nickel</str<strong>on</strong>g>, cobalt, <strong>and</strong> silver.<br />

A small amount of chloride is included in leach process to<br />

extract precious metals.<br />

A pilot plant has operated at Lakefield, Canada.<br />

Former low grade ir<strong>on</strong> ore plant is to be used.<br />

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