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NAES Power Contractors erected 1,860 tons of structural steel to support the aqueous-ammonia selective catalytic reduction (SCR) system, which completed ahead of schedule and under budget.

NAES Completes Installation of $27M SCR System Ahead of Schedule at Major Midwestern Utility

NAES Power Contractors was awarded a $27 million contract in March 2014 to install an aqueous ammonia-based selective catalytic reduction (SCR) system at one of the Midwest’s largest coal-fired power stations. Designed by Sargent & Lundy, the SCR will use ammonia plus a catalyst to convert nitrogen oxides (NOx) into diatomic nitrogen (N2) and water. NPC began construction in April 2014 and completed it ahead of schedule and under budget in December 2015.

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