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 ...

At the 2014 WorkBoat show, Tenneco introduced a new large engine selective catalytic reduction (SCR) system for marine and large engine applications. The system's high performance dosing control and ...

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 ...

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 ...

Tenneco and GE Transportation have signed a joint agreement to develop a proprietary selective catalytic reduction (SCR) aftertreatment technology designed to reduce and control diesel engine ...

For NOx reduction Options include: heaters, level indication, quality sensors, pickup and return lines, and pumps Custom and standard tank configurations available On road and off road applications - ...