Case No: 504: Urea SCR System Installed on a 6555 HP Wärtsilä 16V32 Diesel Engine Used for Prime Power

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Teck Cominco Alaska, Inc. had a need to control NOx emissions from their new Wärtsilä diesel engine at Red Dog Mine to meet Alaska DEC permitted NOx limits. The engine is operated more than 6,000 hours per year to provide prime power for the site.

 

Background

Teck Cominco Alaska Inc. (TCAK) operates the Red Dog Mine facility, located 90 miles north of Kotzebue, Alaska. Prime power for this mining campus, including living quarters is provided by six existing and one new Wärtsilä 16V32 diesel engines. To meet the Alaska DEC air permit NOx limits for the new engine (MG-17), TCAK contacted AMEC E&C Services Ltd., of Vancouver, BC, who in turn contacted Johnson Matthey for an SCR system.

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