Asset Report
Onsan zinc smelter
*Please note that this report only includes an Excel data file if this is indicated in "What's included" below
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
- Summary
- Key Issues
- Emissions
- 2025
- 2024
- 2020
- 2019
- 2018
- 2017
- 2014
- 2012
- 2011
- 4 more item(s)...
Tables and charts
This report includes the following images and tables:
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Onsan Emission Intensity Quartile Ranking – total global production - tonnes ZnDetailed mapFlowsheet
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Feed PreparationRoaster and Acid PlantLeaching and PurificationTankhouse, Melting and Casting
What's included
This report contains:
