Asset Report

Kamioka zinc smelter



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Report summary

The Kamioka smelter in Japan uses roast, leach electrowin technology to make slab zinc. The leach residues are treated using the Goethite process with residue being stored in redundant mine workings. The current capacity is 68kt/a of slab zinc and there are no plans to increase this. The impending closure of the Century zinc mine could well impact operations at the smelter.

What's included

This report contains

  • Document

    Kamioka zinc smelter.xls

    XLS 538.00 KB

  • Document

    Kamioka zinc smelter

    PDF 713.10 KB

Table of contents

Tables and charts

This report includes 14 images and tables including:


  • Key facts: Table 1
  • Participation: Table 1
  • Feed preparation
  • Roaster & Acid plant
  • Leaching & Purification
  • Tankhouse, melting & Casting
  • Products: Table 1
  • Costs: Table 1
  • Economic assumptions: Table 1
  • Products: Table 2


  • Detailed map
  • Flowsheet
  • Production
  • Costs: Image 1

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