Volume 91 Issue 34 | p. 9 | News of The Week
Issue Date: August 26, 2013

Pinpointing Intermediates

Catalysis: Study identifies key player in NOx cleanup, shows connection to enzyme catalysis
Department: Science & Technology
News Channels: Analytical SCENE, Materials SCENE, Environmental SCENE
Keywords: catalysis, NOx, diesel emission, reductase

The once-familiar scene of long lines of diesel trucks belching black smoke along roadways has largely faded as a result of demanding environmental legislation and the technology it has compelled. A good example is a recently commercialized copper-doped zeolite-based catalyst system that scrubs nitrogen oxides (NOx) from diesel exhaust, reducing the pollutant to trace levels.

That system may soon do an even better cleanup job now that researchers have identified copper-nitrosyl complexes as its key . . .

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