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 ...

Hitachi Power Systems America Ltd., a unit of Hitachi America Ltd., was awarded a contract to design and supply a selective catalytic reduction (SCR) system for the 800 MW Unit 1 at the Jeffrey ...

PACCAR has been granted a patent for a method involving a heavy-duty truck’s diesel engine and exhaust after-treatment system. The system includes selective catalytic reduction systems and NOx sensors ...

Selective catalytic reduction is the main technology to reduce oxides of nitrogen of diesel exhaust. As an important part of the selective catalytic reduction system, the air-assisted urea dosing ...

The U.S. power industry is fast approaching the time when significant catalyst management decisions must be made to maintain performance and comply with new regulatory challenges. And the key to ...

The installation of a selective catalytic reduction system at the Ottumwa Generation Station, a joint venture of Alberici Constructors and Stanley Consultants, not only delivered significant ...

Adding diesel exhaust fluid to trucks has become fairly routine, despite some of the anxiety that came along with the debut of this new fluid a decade ago, needed to cut emissions using selective ...

The efficiency and long-term performance of an SCR System is largely dependent on several key design considerations of the various equipment within the SCR System. When complex NOx reductions on ...

Stamford, CT-based Clean Diesel Technologies Inc. (CDT) today announced the first application of its mobile ARIS nitrogen oxide (NOx) reduction system to a 170 hp Isuzu diesel engine in a medium-duty ...