Asset Report

Hachinohe (ISF) zinc smelter

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27 May 2022

Hachinohe (ISF) zinc smelter

Report summary

The Hachinohe zinc smelter uses the Imperial Smelting Process (ISP) to make zinc. A process where the Imperial smelting Furnace (ISF) is the key unit operation simultaneously producing lead and zinc. Hachinohe is now the only ISP plant in Japan. The current capacity is 112kt/a slab zinc and there are currently no plans to expand this. Hachinohe is considered as one of, if not the best, example of ISP operation currently in operation.

Table of contents

  • Summary
  • Key Issues

Tables and charts

This report includes 8 images and tables including:

  • Detailed map
  • Flowsheet
  • Feed Preparation
  • Sinter and Acid Plant
  • Smelting Furnace
  • Refining
  • Casting

What's included

This report contains:

  • Document

    Hachinohe (ISF) zinc smelter

    PDF 1.09 MB

  • Document

    Hachinohe (ISF) zinc smelter

    ZIP 1.23 MB