Selective Catalytic Reduction of NO_x

Dear Colleagues,

The recent diesel scandal made the public again aware of the fact that NO_x emissions from diesel engines are a major threat to human health and by no means easy to avoid. The most efficient process to reduce NO_x emissions from lean exhaust gases is selective catalytic reduction (SCR) with ammonia, which has undergone tremendous development over the past decades. Originally only applied in stationary power plants and industrial installations, SCR systems are now installed also in millions of mobile diesel engines, ranging from off-road machineries, heavy-duty and light-duty trucks and passenger cars, to locomotives and ships. These applications are particularly challenging due to the varying operation conditions of mobile diesel engines with respect to exhaust gas temperature, exhaust gas flow, NO_x inlet concentrations, ambient temperature and available installation space. As a matter of fact, many problems are still encountered with all the different SCR applications and much research is being conducted to overcome them.

Submissions to this special issue on “Selective Catalytic Reduction of NO_x” are welcome in the form of original research papers or short reviews that reflect the state of research in the SCR field on the following topics: Selective catalytic reduction of NO_x (SCR) for diesel vehicles/stationary power plants/industrial installations, SCR catalyst research and development (V-based catalysts, Fe-zeolites, Cu-zeolites), catalyst deactivation, SCR reaction mechanisms, SCR kinetics and modelling, structure-function relationships in SCR catalysts and dosage/decomposition of reducing agents for SCR.

Prof. Dr. Oliver Kröcher
Guest Editor

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