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1. Mechanism of ozone-promoted uptake of NO2 by a Si-rich H-type zeolite

Author

Arkadiy Gal', Atsushi Ogata, Shigeru Futamura, and Koichi Mizuno

Subjects
Silicon -- Chemical properties, Nitrogen oxide -- Chemical properties, Chemical reactions -- Analysis, Chemicals, plastics and rubber industries
Abstract

The enhancements in the rate and capacity of NO2 uptake caused by the injection of ozone over the zeolite H-ZSM-5 that has a high Si02/Al2O3 ratio are detailed. The results are interpreted by either assuming that fast surface reactions lead to N2O5 formation or by considering that ozone suppresses the blockage of the reactive Bronsted-acidic protons.

Published
2004

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