Excessively copper ion-exchanged ZSM-5 zeolites as highly active catalysts for direct decomposition of nitrogen monoxide.
M Iwamoto, H Yahiro, Y Mine, S Kagawa
Index: Iwamoto, Masakazu; Yahiro, Hidenori; Mine, Yoshihiro; Kagawa, Shuichi Chemistry Letters, 1989 , p. 213 - 216
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Citation Number: 214
Abstract
Repeated ion exchange of the ZSM-5 zeolite using aqueous copper (II) acetate solution was found to bring about excess loading of copper ions above 100% of exchange level. The catalytic activities of the resulting Cu-ZSM-5 zeolites for direct decomposition of nitrogen monoxide were very high and increased with increasing exchange level. The activity did not decrease even after 30 h of continuous service.
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