The SIP Call NO x mandate has prompted the broad application of SCR technology within most utility generating systems. Worldwide SCR experience in Japan and Europe on coal-fired units is approximately ...

Optimal NO x removal by a selective catalytic reduction (SCR) system requires the inlet gas temperature to remain within a prescribed range. How does a baseload unit meet NO x permit limits when it’s ...

Two seasons of experience with the SCR at Hoosier Energy’s Merom Station have provided many valuable lessons learned with respect to operations and maintenance. By William C. Lonnberg and J. Corie ...

Today, July 7, is the last day to submit written comments on proposed changes to the Environmental Protection Agency’s rules governing the design of SCR systems to meet emission requirements.

The cement industry has encountered difficulties ahead of the government's strengthened nitrogen oxide (NOx) emission regulations. To comply with the government's environmental standards, the industry ...

Truck and engine manufacturers relying on SCR (selective catalytic reduction) technology to meet Federal 2010 diesel emissions standards have issued their first legal response to U.S. appeals court ...

Poor airflow around its selective catalytic reactor (SCR) was causing heavy fly ash accumulation and pluggage at Kansas City Power & Light’s 815-MW La Cygne Unit 1. Flow modeling and redesign of the ...

This story appears in the June 13 print edition of Transport Topics. The Environmental Protection Agency last week updated its guidance for certification of heavy-duty truck engines using selective ...

EL MONTE, Cal. –Navistar has formally voiced concerns over “compliance loopholes” that it says may be exploited by truck and engine manufacturers using selective catalytic reduction (SCR). Navistar, ...

This story appears in the July 18 print edition of Transport Topics. Click here to subscribe today. Navistar Inc. has formally resumed its battle with the U.S. Environmental Protection Agency, filing ...

EL MONTE, Cal. — Representatives from Volvo Group attended a recent workshop with environmental regulators, initiated by Navistar to raise concerns about selective catalytic reduction (SCR). The ...