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DC Field | Value | Language |
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dc.citation.endPage | 345 | - |
dc.citation.number | 2 | - |
dc.citation.startPage | 335 | - |
dc.citation.title | APPLIED CATALYSIS A-GENERAL | - |
dc.citation.volume | 242 | - |
dc.contributor.author | Kim, Won Bae | - |
dc.contributor.author | Park, Eun Duck | - |
dc.contributor.author | Lee, Jae Sung | - |
dc.date.accessioned | 2023-12-22T11:13:33Z | - |
dc.date.available | 2023-12-22T11:13:33Z | - |
dc.date.created | 2015-07-24 | - |
dc.date.issued | 2003-03 | - |
dc.description.abstract | Effects of various metal complexes of Ce, Co, Mn, and Cu compounds and of initial states of Pd with different particle sizes were investigated on coupled oxidative carbonylations of bisphenol-A (BPA) and phenol over activated carbon-supported metallic palladium (Pd/C). In the presence of Ce(CH3COO)(3) as the cocatalyst, homogeneous Pd(CH3COO)(2) showed a better activity than Pd/C as the main catalyst. From screening of the various inorganic cocatalysts, Cu2O was chosen as the best partner with the activated carbon-supported metallic palladium. More interestingly, this heterogeneous Pd/C-Cu2O catalyst system was superior to the homogeneous catalyst systems such as Pd(CH3COO)(2)-Ce(CH3COO)(3) or Pd(CH3COO)(2)-Cu2O because it provided increased conversions of bisphenol-A and selectivities to desired para-position carbonylated products. The active phase of palladium in this catalyst system appeared to be metallic Pd, as evidenced by a stronger metallic character of palladium observed after the reaction with X-ray absorption of near edge structure (XANES) of Pd K-edge. In the presence of Pd/C, the nature of metal and ligand of the inorganic cocatalyst significantly affected the catalytic activity and selectivity. However, the initial state of supported Pd showed a negligible effect, even though the metallic character of Pd varied drastically due to increasing Pd loadings or reduction temperatures. (C) 2002 Elsevier Science B.V All rights reserved | - |
dc.identifier.bibliographicCitation | APPLIED CATALYSIS A-GENERAL, v.242, no.2, pp.335 - 345 | - |
dc.identifier.doi | 10.1016/S0926-860X(02)00545-8 | - |
dc.identifier.issn | 0926-860X | - |
dc.identifier.scopusid | 2-s2.0-0037456601 | - |
dc.identifier.uri | https://scholarworks.unist.ac.kr/handle/201301/12529 | - |
dc.identifier.url | http://www.sciencedirect.com/science/article/pii/S0926860X02005458 | - |
dc.identifier.wosid | 000181680200011 | - |
dc.language | 영어 | - |
dc.publisher | ELSEVIER SCIENCE BV | - |
dc.title.alternative | Effects of inorganic cocatalysts and initial states of Pd on the oxidative carbonylation of phenols over heterogeneous Pd/C | - |
dc.title | Effects of inorganic cocatalysts and initial states of Pd on the oxidative carbonylation of phenols over heterogeneous Pd/C | - |
dc.type | Article | - |
dc.description.journalRegisteredClass | scopus | - |
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