Catalytic total oxidation of 1,2-dichloroethane over highly dispersed vanadia supported on CeO2 nanobelts
文献类型：期刊论文
| 作者 | Dai, QG; Bai, SX; Li, H; Liu, W; Wang, XY; Lu, GZ |
| 刊名 | APPLIED CATALYSIS B-ENVIRONMENTAL
 |
| 出版日期 | 2015 |
| 卷号 | 168页码:141—155 |
| 关键词 | VOLATILE ORGANIC-COMPOUNDS DOPED CERIA CATALYSTS SOLID-STATE REACTION GAS SHIFT REACTION V2O5/TIO2 CATALYSTS V2O5-WO3/TIO2 CATALYST ZEOLITE CATALYSTS OXIDE CATALYSTS DEEP OXIDATION FLUE-GAS |
| 英文摘要 | CeO2 nanobelts were synthesized via a facile aqueous-phase precipitation route under mild conditions (template-free and non-hydrothermal), and then the highly dispersed vanadia catalysts with a wide range of VOx loadings were prepared by a conventional incipient-wetness impregnation method. The target VOx/CeO2 catalysts were characterized in detail and used in catalytic combustion of 1,2-dichloroethane (DCE). The results revealed that the monolayer dispersed VOx (6.0%VOx/CeO2) exhibited the most outstanding initial and stable activities, however, the main product containing carbon was CO2 not desired CO2. A reaction mechanism of DCE total oxidation was proposed based on the study of TPSR and in situ FTIR. The first step of this mechanism was considered to be a dissociative adsorption of C-Cl bonds on Lewis acid sites (such as Ce4+/3+, V5+/4+ or Ce3+-O2--V5+) via Cl abstraction, and then the dissociated DCE can be oxidized directly to CO2 by surface active oxygen species over pure CeO2. Whereas, over VOx/CeO2 catalysts, the formation of intermediate acetaldehyde was a key step via C-H bond activation and hydrogen transfer on VOx species, subsequently, partially oxidized to CO by the lattice oxygen of VOx. (C) 2014 Elsevier B.V. All rights reserved, |
| 收录类别 | SCI |
| 语种 | 英语 |
| 公开日期 | 2015-12-24 |
| 源URL | [http://ir.sinap.ac.cn/handle/331007/24408]  |
| 专题 | 上海应用物理研究所_中科院上海应用物理研究所2011-2017年 |
| 推荐引用方式 GB/T 7714 | Dai, QG,Bai, SX,Li, H,et al. Catalytic total oxidation of 1,2-dichloroethane over highly dispersed vanadia supported on CeO2 nanobelts[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2015,168:141—155. |
| APA | Dai, QG,Bai, SX,Li, H,Liu, W,Wang, XY,&Lu, GZ.(2015).Catalytic total oxidation of 1,2-dichloroethane over highly dispersed vanadia supported on CeO2 nanobelts.APPLIED CATALYSIS B-ENVIRONMENTAL,168,141—155. |
| MLA | Dai, QG,et al."Catalytic total oxidation of 1,2-dichloroethane over highly dispersed vanadia supported on CeO2 nanobelts".APPLIED CATALYSIS B-ENVIRONMENTAL 168(2015):141—155. |
入库方式： OAI收割
来源：上海应用物理研究所
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