copper direct-firing process

copper direct-firing process

A metallurgical process for recovering copper from low-grade complex ores in which a mixture of the ore and a small quantity of salt and coke are heated, and the oxides or sulfides reduce to metal that migrates or segregates in the form of thin films or flakes. These are later recovered by conventional flotation procedures.

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Part of Speech: noun
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Industry/Domain: Mining
Category: General mining; Mineral mining
Government Agency: USBM
Product: Dictionary of Mining, Mineral, & Related Terms - 2nd Edition
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