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What is Nickel and Copper Processing Flowchart about?

The document describes a 9-step process for extracting nickel and copper from a sulphide matte containing those metals as well as iron, platinum group metals, and hydrogen sulphide. The steps include: leaching the matte, roasting it, leaching again, precipitating copper sulphide, precipitating other metals and compounds, oxidizing iron chloride, precipitating nickel carbonate, and finally electrolyzing nickel chloride to produce nickel.

Author

Viana Toro Vargas

Language

EN