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Annaka zinc smelter

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29 November 2018

Annaka zinc smelter

Report summary

The Annaka zinc smelter in Japan uses roast-leach-electrowin technology, with the leach residue being treated by a Waelz kiln. The current capacity is 139kt/a slab zinc and there are currently no plans to increase this. The smelter is "Roaster limited" and cannot produce enough calcine. A separate roasting facility is therefore located at Onahama with calcine being sent by train to supply Annaka.

Table of contents

Tables and charts

This report includes 14 images and tables including:

  • Key facts: Table 1
  • Detailed map
  • Participation: Table 1
  • Flowsheet
  • Feed preparation
  • Roaster & Acid Plant
  • Leaching & Purification
  • Tankhouse, Melting & Casting
  • Costs: Image 1
  • Costs: Table 1
  • Economic assumptions: Table 1
  • Production
  • Products: Table 1
  • Products

What's included

This report contains:

  • Document

    Annaka zinc smelter.xls

    XLS 478.50 KB

  • Document

    Annaka zinc smelter

    PDF 1.15 MB