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Onsan zinc smelter

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09 June 2017

Onsan zinc smelter

Report summary

The zinc smelter located in Onsan, near Ulsan in South Korea is operated by Korea Zinc and has a slab zinc capacity of 560kt/a. The Onsan flowsheet was initially based around a typical zinc smelter configuration of roast-leach-electrowin, however it now also incorporates direct atmospheric leaching of concentrates and also a comprehensive by-products recovery system based around TSL fuming furnaces. 

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 and Purification
  • Costs: Image 1
  • Costs: Table 1
  • Economic assumptions: Table 1
  • Tankhouse, Melting and Casting
  • Production
  • Products: Table 1
  • Products

What's included

This report contains:

  • Document

    Onsan zinc smelter.xls

    XLS 467.00 KB

  • Document

    Onsan zinc smelter

    PDF 1.16 MB