Asset Report
Onahama copper smelter
Report summary
The smelter was constructed in 1965 as a custom smelter using conventional reverberatory/converter technology. Originally the reverberatory furnaces were oil fired but economics dictated conversion to coal firing in 1979. Additionally a tyre shredder and an oil pyrolysis plant were installed to enable used tyres to be consumed as a fuel and to further reduce fuel costs. The cost of tyres is negative i.e. there is a charge for their disposal. However, increasing use of tyres by the cement...
Table of contents
- Smelting process
- Auxiliary plants
- Environmental
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