Diesel aftertreatment system features integrated soot blower which offers greater NOx reduction and enhanced catalyst performance IMABARI, Japan--(BUSINESS WIRE)--Tenneco (NYSE: TEN), a leading global ...

Selective catalytic reduction (SCR) systems employing a urea-water solution inject a measured dose of aqueous urea into exhaust gases, where thermal decomposition and hydrolysis generate ammonia. This ...

Today’s workboat operators must navigate increasingly stringent IMO and EPA environmental and emissions regulations in and around ports and rivers. As the drama unfolds, selective catalytic reduction ...

Pollutants emitted from combustion sources have been regulated by local and federal governments since the early 1960s. Specific rules vary by state and air district, but they generally apply to ...

Nationwide Boiler Inc. says it recently supplied the first-ever temporary selective catalytic reduction (SCR) systems utilizing a 32.5% liquid urea solution, commonly known as DEF (diesel exhaust ...

The Marine Environment Protection Committee (MEPC) met for its 83rd session in person at IMO Headquarters in London from April 7-11, 2025. The meeting was chaired by Dr. Harry Conway (Liberia), with ...

Emission regulations for combustion systems have been in place for more than half a century and in the 1990’s, the Clean Air Act put a spotlight on emissions specifically from industrial boilers.

Caption Southwest Research Institute used machine learning tools to automatically calibrate SCR systems while fine-tuning controls to lower overall tailpipe NOx and ammonia emissions. Future work will ...