Vale com­pletes Sud­bury emis­sions re­duc­tion

Waterloo Region Record - - Business -

SUD­BURY, ONT. — Vale Canada Ltd. says it has com­pleted a bil­lion-dol­lar project to re­duce emis­sions at its Sud­bury smelter com­plex that has made the dis­tinct ’su­per­stack’ chim­ney at the site ob­so­lete. The com­pany, a sub­sidiary of Brazil-based Vale S.A., says the up­grades will re­duce sul­phur diox­ide emis­sions by 85 per cent as well as re­duce me­tal par­tic­u­late emis­sions by 40 per cent. The mod­ern­iza­tion, which in­cludes sev­eral new stages of fil­tra­tion, has made the ex­ist­ing chim­ney that was built to bet­ter dis­trib­ute emis­sions no longer needed. The chim­ney, which was fea­tured on a com­mem­o­ra­tive nickel and at 367 me­tres is the sec­ond tallest in the world, is slated for de­mo­li­tion once two shorter re­place­ment stacks are fin­ished.

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