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 ...

In a brief filed in November in its ongoing litigation with the U.S. Environmental Protection Agency, truck and engine maker Navistar argued that EPA violated federal law not only by allowing its ...

For nearly five years, two selective catalytic reduction (SCR) systems have operated almost around the clock at Dynegy Midwest Generation’s Baldwin Energy Complex in Baldwin, Ill. The SCR systems ...

Aiming to Meet the IMO's Tier III NOx Emission Controls Nippon Yusen Kabushiki Kaisha, Oshima Shipbuilding Co. Ltd., Mitsubishi Heavy Industries Ltd., Akasaka Diesels Limited, and Sakai Chemical ...

The California Air Resources Board (CARB) held a public workshop yesterday to discuss possible changes in the way selective catalytic reduction (SCR) systems react to malfunctions or other problems in ...

The U.S. Environmental Protection Agency (EPA) and the California Air Resources Board (CARB) have presented preliminary proposals aimed at the alleged compliance loopholes found in current 2010 liquid ...

The U.S. Environmental Protection Agency (EPA) "has been diverted from its environmental mission and somehow talked into an environmentally hostile action," according to court papers filed by Navistar ...

RJM’s ARIS SCR technology recently achieved a 95.9 percent NOx reduction on a 320 kW lean burn natural gas engine. The system was installed at the corporate headquarters of Clean Air Partners located ...

The Environmental Protection Agency (EPA) and the California Air Resources Board (CARB) announced this week a set of measures which will eventually lead to the reconsideration of the certifications ...

“The installation and operation of SCR is estimated to increase the electricity bill for the average Arizona Public Service residential customer by about 70 cents per week,” the EPA said. Though it ...