Asset Report

Niihama Refinery nickel operation

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17 February 2014

Niihama Refinery nickel operation

Report summary

Nickel production commenced at Sumitomo Metal Mining Co Ltd in 1939 when nickel ores were smelted to anodes and refined to nickel by electrolysis. Direct matte electrolysis was introduced in 1970. Cobalt production commenced in 1975 when Sumitomo began treating mixed nickel-cobalt sulphides.

Table of contents

  • Summary and key issues
  • Location maps
    • Process
      • Feed
  • Timeline

Tables and charts

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  • Detailed map

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    Niihama Refinery nickel operation

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    NiiNi flow.pdf

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