Nitrogen oxides - 3 News by Paul Scherrer Institut

Nitrogen oxides - 3 News by Paul Scherrer Institut

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How catalysts remove dangerous nitrogen oxides

”If we know exactly where the reaction takes place, the production of catalysts can be controlled accordingly”

11-Oct-2024 - Catalysts belonging to the zeolite family help to remove toxic nitrogen oxides from industrial emissions. Researchers at the Paul Scherrer Institute PSI have now discovered that their complex nano porous structure is crucial. Specifically, individual iron atoms sitting in certain neighbouring ...

nitrogen oxides catalysis catalysts
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“Airpocalypse” explained

The causes of China’s record level fine particulate pollution in winter 2013

25-Sep-2014 - At the beginning of 2013 a greyish-brown blanket of smog lay over large areas of China for several months. The fine particle pollution was higher by 1 to 2 orders of magnitude than the levels normally measured in Western Europe and the United States. An international team of researchers under the ...

nitrogen oxides air analytics air pollution
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The hidden danger of oxygen

Long-lived reactive oxygen intermediates that develop on particles in the atmosphere could explain why more and more people are suffering from allergies

22-Feb-2011 - New findings from researchers at the Max Planck Institute for Chemistry and the Paul Scherrer Institute in Switzerland help to explain how toxic and allergy-causing substances in our air are formed. The scientists have for the first time detected long lived reactive oxygen intermediates on ...

nitrogen oxides allergies oxygen
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