Asset Report

Itaguai zinc smelter

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Companhia Mercantile Industrial Inga (CMI) was formed in 1940 as a galvanised pipe manufacturer but it was not until 1965 that the plant at Itaguai was built. Concentrates were supplied from the wholly owned Vazante-MASA open pit oxide/silicate mine in Minas Gerais. Initial production capacity was 10kt/a as High Grade zinc and this has risen through 40kt/a in 1990 to the 1998 capacity of 60kt/a, mostly as Special High Grade zinc. Initially ore was treated as mined but since 1993 it has...

Table of contents

  • Summary
  • Key Issues
  • Conc. Receipt / Storage
  • Roaster
  • Acid Plant
  • Leach Plant
  • Purification
  • Tankhouse
  • Casting Plant
  • Residue Disposal

Tables and charts

This report includes 1 images and tables including:

  • Detailed map

What's included

This report contains:

  • Document

    Itaguai zinc smelter

    PDF 1.18 MB