is about halfway through its $1-billion Clean AER (atmospheric emissions reduction) project in Sudbury. It has already spent $625 million on the project and upgrading the surface facilities.
Despite the bleak outlook for metals, the company vows to complete the project in 2018. Sulphide dioxide emissions from the Copper Cliff smelter will be reduced by 85%, to 20,000 t/y from 150,000 t/y. Total greenhouse gas emissions from the Sudbury facilities will be reduced 40% from current levels.
With the end of the Clean AER project in sight, some are suggesting that Vale demolish the 380-metre Superstack at the smelter. Built in 1970 to disperse sulphur dioxide from the immediate vicinity, it has become a landmark on the Sudbury horizon. Its removal and replacement with new, shorter stacks is still a matter for debate.
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