Next Generation Exhaust Aftertreatment for Diesel Propulsion Systems (NEADS)
SEM-image of a DPF section showing the soot accumulation on a channel (left) and distinguishing the soot from
the ash layer (middle and right).
Scope of project
New SCR catalyst materials are investigated in order to achieve high reactivity and conversion also
at low exhaust gas temperatures. In addition a ceramic foam based substrate is under development
in order to replace the conventional diesel oxidation catalyst improving the performance and lifetime
of the subsequent aftertreatment system (particulate filter and or SCR system).
The project is organised in 3 sub-projects: Sub-project I develops zeolites based catalytic materials
for passenger cars (as well as medium and heavy duty vehicles). Sub-project II is aiming at the development
of the micro reactor, while sub-project III investigates emission formation and reduction
paths from the combustion through the aftertreatment systems.
The sub-projects in turn make use of the tools and analytics as well as knowledge developed and
acquired in 3 tasks «new instrumentation for particle characterisation», «numerical simulation» and