PSI Invention to Reduce Nitrogen Oxide Emissions

(Paul Scherrer Institute PSI, June 27, 2013)

The supply of a vapor saturated gas mixture plays a crucial role in many industrial processes, for example to reduce the emission of nitrogen oxides during diesel combustion. However, obtaining a gas mixture with exactly one hundred per cent vapor saturation remains a highly challenging technical task. A scientist at the PSI has come up with an invention which enables this to be implemented industrially in the future via a simple, flexible and robust technique. The technique is now put into practice in collaboration with engine manufacturer Wärtsilä. The inventor's aim is ambitious: in around five years’ time, he wants all of Wärtsilä‘s diesel engines to be emitting far less nitrogen oxides over the world’s oceans, with the help of his invention.