Citation: DONG Yan-chun, LI Yang, ZHANG Jin-gang, DAI Zheng-hua, YU Guang-suo, WANG Fu-chen. Catalytic performance of V₂O₅/Ti-Ce-PILC in the selective oxidation of H₂S[J]. Journal of Fuel Chemistry and Technology, ;2016, 44(11): 1401-1408. shu

Catalytic performance of V₂O₅/Ti-Ce-PILC in the selective oxidation of H₂S

DONG Yan-chun ^1,2 ,
LI Yang ^1,2 ,
ZHANG Jin-gang ^1,2 ,
DAI Zheng-hua ^1,2 ,
YU Guang-suo ^1,2 ,
WANG Fu-chen ^1,2,*,,

1.
Key Laboratory of Coal Gasification and Energy Chemical Engineering of Ministry of Education, East China University of Science & Technology, Shanghai 200237, China
2.
Collaborative Innovation Center of Chemical Technology for Coal Based Energy, Shanghai 200237, China

Corresponding author: WANG Fu-chen, wfch@ecust.edu.cn
Received Date: 6 May 2016
Revised Date: 26 July 2016

Fund Project: the National Nature Science Foundation of China 21376079

Figures(10)

A series of V₂O₅ doped Ti-Ce-pillared clays (V₂O₅/Ti-Ce-PILC) were prepared and characterized by XRD, nitrogen physisorption, FT-IR, XPS, H₂-TPR, TG and NH₃-TPD. The catalytic performance of V₂O₅/Ti-Ce-PILC in the selective oxidation of H₂S was investigated in a fixed bed reactor. The results illustrated that 5%V₂O₅ doped Ti-Ce-pillared clays performs well at 180℃ in the selective oxidation of H₂S, which can be ascribed to the interaction among V₂O₅, TiO₂ and CeO₂. CeO₂ can enhance the catalyst thermostability and supply more lattice oxygen, which is of benefits to the redox of V₂O₅ and the decrease of reaction temperature. Meanwhile, the addition of TiO₂ may promote the reoxidation of VO_x and CeO_x and reduce the sulfate coverage, which can then postpone the catalyst deactivation.
- pillared clays,
- TiO₂,
- CeO₂,
- H₂S,
- catalytic oxidation
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通讯作者: 陈斌, bchen63@163.com

Catalytic performance of V₂O₅/Ti-Ce-PILC in the selective oxidation of H₂S