Asset Report
Tres Marias 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 Tres Marias Smelter was built to treat the oxide/silicate concentrate from the wholly owned Vazante open pit mines (calamine). Production commenced in 1969 with a capacity of 10kt/a. In the late 1980s a new pressure filtration plant for leach residues, engineered by Bokola, was installed to improve leach extraction. By several expansions capacity had reached 80kt/a by 1993. Reserves at the Vazante mine have gradually been depleted and it has now become necessary to mine underground,...
Table of contents
- Emissions
- Other
- 2004
- 2006-2007
- 2012
- 2018
- 2020
Tables and charts
This report includes the following images and tables:
- Tres Marias Emission Intensity Quartile ranking – total global production - tonnes Zn
- Detailed map
- Flowsheet
- Feed Preparation
- Roaster and Acid Plant
- Leaching and Purification
- Tankhouse, Melting and Casting
What's included
This report contains:
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