Asset report

Onsan zinc smelter

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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.

What's included

This report contains

  • Document

    Onsan zinc smelter.xls

    XLS 537.00 KB

  • Document

    Onsan zinc smelter

    PDF 728.17 KB

Table of contents

  • Key facts
  • Summary and key issues
  • Location maps
  • Participation
  • Process overview
  • Products
  • Costs
  • Timeline
  • Economic assumptions

Tables and charts

This report includes 14 images and tables including:

Images

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

Tables

  • Key facts: Table 1
  • Participation: Table 1
  • Feed preparation
  • Roaster & Acid Plant
  • Leaching and Purification
  • Costs: Table 1
  • Economic assumptions: Table 1
  • Tankhouse, Melting and Casting
  • Products: Table 1
  • Products

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