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Kwak, Ja Hun
Molecular Catalysis lab
Research Interests
  • Heterogeneous catalysis, molecular catalysis, ASlumima, zeolites


The catalytic chemistry of HCN+NO2 over na- and Ba-Y,FAU: An in situ FTIR and TPD/TPR study

DC Field Value Language Szanyi, János ko Kwak, Jahun ko Peden, Charles H. F. ko 2015-07-16T00:42:49Z - 2015-07-15 ko 2005-02 -
dc.identifier.citation JOURNAL OF PHYSICAL CHEMISTRY B, v.109, no.4, pp.1481 - 1490 ko
dc.identifier.issn 1520-6106 ko
dc.identifier.uri -
dc.identifier.uri ko
dc.description.abstract The adsorption of HCN and the reaction of HCN with NO2 over Na-, and Ba-Y,FAU zeolite catalysts were investigated using in situ FTIR and TPD/TPR spectroscopies. Both catalysts adsorb HCN molecularly at room temperature, and the strength of adsorption is higher over Ba-Y than Na-Y. Over Na-Y, the reaction between HCN and NO, is slow at 473 K. On Ba-Y, HCN reacts readily with NO2 at 473K, forming N-2, CO, CO2, HNCO, NO, N2O, and C2N2. The results of this investigation suggest that initial step in the HCN + NO2 reaction over these catalysts is the hydrogen abstraction from HCN, and the formation of ionic CN- and NC- species. The formation of N2 can proceed directly from these ionic species upon their interaction with NO+. Alternatively, these cyanide species can be oxidized to isocyanates which then can be further transformed to N-2, N2O and COx in their Subsequent reaction with NOx ko
dc.description.statementofresponsibility close -
dc.language ENG ko
dc.publisher AMER CHEMICAL SOC ko
dc.subject NOX REDUCTION ko
dc.subject HYDROGEN-CYANIDE ko
dc.subject CU/ZSM-5 CATALYSTS ko
dc.subject FAU ZEOLITES ko
dc.subject ADSORPTION ko
dc.subject HYDROCARBONS ko
dc.title The catalytic chemistry of HCN+NO2 over na- and Ba-Y,FAU: An in situ FTIR and TPD/TPR study ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-13444257510 ko
dc.identifier.wosid 000226626500022 ko
dc.type.rims ART ko
dc.description.wostc 5 *
dc.description.scopustc 5 * 2015-12-28 * 2015-11-04 *
dc.identifier.doi 10.1021/jp045671o ko
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