BiOx clusters occluded in a ZSM-5 matrix: preparation, characterization, and catalytic behavior in liquid-phase oxidation of hydrocarbons
文献类型：期刊论文
| 作者 | Dumitriu, D; Barjega, R; Frunza, L; Macovei, D; Hu, T ; Xie, Y; Parvulescu, VI; Kaliaguine, S; Hu TD(胡天斗); Xie YN(谢亚宁)
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| 刊名 | JOURNAL OF CATALYSIS
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| 出版日期 | 2003 |
| 卷号 | 219期号:2页码:337-351 |
| 关键词 | occluded bi oxide clusters ZSM-5 XPS XRD EXAFS py and CO2-FTIR liquid-phase oxidation benzene toluene cyclohexane |
| 通讯作者 | Univ Laval, Dept Genie Chim, Quebec City, PQ G1K 7P4, Canada ; Univ Bucharest, Dept Chem Technol & Catalysis, Bucharest 70346, Romania ; Natl Inst Mat Phys, RO-76900 Bucharest, Romania ; Inst High Energy Phys, Beijing Synchrotron Radiat Facil, Beijing 100039, Peoples R China |
| 英文摘要 | A series of Bi-ZSM-5 containing 4.26, 5.54, and 6.64 wt% bismuth oxide was prepared by introducing Bi during ZSM-5 synthesis. For comparison. 5 wt% Bi (expressed as bismuth oxide)-impregnated ZSM-5 samples were also prepared. These samples were characterized by N-2 adsorption-desorption isotherms at 77 K, XRD, XPS, IR spectroscopy in the lattice vibration range and in the presence of chemisorbed pyridine and CO2 and EXAFS. The characterization data confirmed the occlusion of bismuth oxide clusters in the zeolite pores. An intrinsic acidity due to bismuth oxide clusters was evidenced. This consisted, on one hand, in weak Lewis acid sites, ascribed to coordinatively unsaturated bismuth cations, and, on the other hand, in strong Bronsted acid sites, attributed to boundary Bi (. . .) O-Si linkages. These catalysts were tested in the liquid-phase oxidation of benzene, toluene, and cyclohexane using hydrogen peroxide as oxidizing agent. The results showed that Bi-ZSM-5 catalysts are more active than the reported titanium silicalites, but the efficiency of H2O2 use was quite small, an important part of this being nonselectively decomposed. A good selectivity was observed in cyclohexane oxidation. (C) 2003 Elsevier Inc. All rights reserved. |
| 学科主题 | Chemistry; Engineering |
| 类目[WOS] | Chemistry, Physical ; Engineering, Chemical |
| 研究领域[WOS] | Chemistry ; Engineering |
| 原文出处 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000185830900009 |
| 源URL | [http://ir.ihep.ac.cn/handle/311005/237043]  |
| 专题 | 高能物理研究所_多学科研究中心 |
| 作者单位 | 中国科学院高能物理研究所 |
| 推荐引用方式 GB/T 7714 | Dumitriu, D,Barjega, R,Frunza, L,et al. BiOx clusters occluded in a ZSM-5 matrix: preparation, characterization, and catalytic behavior in liquid-phase oxidation of hydrocarbons[J]. JOURNAL OF CATALYSIS,2003,219(2):337-351. |
| APA | Dumitriu, D.,Barjega, R.,Frunza, L.,Macovei, D.,Hu, T.,...&谢亚宁.(2003).BiOx clusters occluded in a ZSM-5 matrix: preparation, characterization, and catalytic behavior in liquid-phase oxidation of hydrocarbons.JOURNAL OF CATALYSIS,219(2),337-351. |
| MLA | Dumitriu, D,et al."BiOx clusters occluded in a ZSM-5 matrix: preparation, characterization, and catalytic behavior in liquid-phase oxidation of hydrocarbons".JOURNAL OF CATALYSIS 219.2(2003):337-351. |
入库方式： OAI收割
来源：高能物理研究所
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