Catalytic total oxidation of 1,2-dichloroethane over VOx/CeO2 catalysts: Further insights via isotopic tracer techniques
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- 作者：Qiguang Daia ; daiqg@ecust.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Li-Li Yinb ; Shuxing Baia ; Wei Wanga ; Xingyi Wanga ; Xue-Qing Gongb ; xgong@ecust.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Guanzhong Lua
- 关键词：CVOCs ; Catalytic combustion ; Surface hydroxyl group ; Oxygen species ; Isotopic tracer ; Density Functional theory ; Selective poisoning
- 刊名：Applied Catalysis B: Environmental
- 出版年：2016
- 出版时间：March 2016
- 年：2016
- 卷：182
- 期：Complete
- 页码：598-610
- 全文大小：1782 K
文摘
- •
The activation and dissociation of C
Cl bonds was the rate-determining step.- •
Oxygen vacancies were identified as the main active sites by DFT calculations.
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Surface lattice oxygen directly involved in oxidation of DCE and formed intermediate species.
- •
The rapid replenishment of consumed OH was crucial for a better stability.