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nickel coal gangue processing manual milling and classification
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nickel coal gangue processing manual milling and classification

Nov 07, 2012 To study nickel extraction, Chunpeng et al., 199024, conducted dry way chloridization of pentlandite concentrate with ferric chloride by microwave heating (500 W, 2450 MHz) in a chlorine atmosphere for 8–23 min, followed by aqueous leaching at pH 2 for 30 min. The maximum nickel recovery (~ 99%) was obtained from the sample heated for 14–17 ...

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