Over the past decades, selective catalytic reduction (SCR) using aqueous urea sprays as
ammonia precursor has become the prevalent technique for NO x emission control in mobile …

Long-term reliability is one of the major requirements for automotive exhaust aftertreatment
systems with selective catalytic reduction (SCR) using urea water solution (UWS) as NH 3 …

Formation of solid urea by-products in mixing sections of SCR systems is a well-known
problem in development and design of exhaust gas after treatment systems. Spray …

Selective catalytic reduction (SCR) has been exhibited as a promising method of NOx
abatement from diesel engine emissions. Long-term durability is one of the key …

Selective catalytic reduction is the most promising technique for NOx reduction from diesel
engine exhaust emissions. The greatest challenge to implementing the system is solid …

Urea aqueous solution is injected into the hot exhaust flow which acts as the source of
ammonia in SCR systems to reduce the NOx emissions of diesel vehicles. However, urea …

Abstract Selective Catalytic Reduction (SCR) systems are one of the leading techniques
used in the after treatment systems of the diesel engines for the abatement of nitrogen …

The reduction of NOx-emissions from diesel engines is crucial for the fulfilment of
environmental standards. Selective catalytic reduction (SCR) is an effective way to achieve …

Selective catalytic reduction technology is one of the most effective methods to control NOx
emissions from diesel engines. However, the generation of solid urea and by-products …

Selective catalytic reduction is the most efficient and reliable equipment for NOx control in
current diesel engines. However, the issue of urea crystallization becomes increasingly …