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Citation: SANG Li-Xia, ZHONG Shun-He, ZHONG Liang. Photocatalytic Reaction of Methane with Water over (MoO₃,ZnO)-TiO₂/SiO₂[J]. Chinese Journal of Applied Chemistry, ;2005, 22(3): 331-333. shu

Photocatalytic Reaction of Methane with Water over (MoO₃,ZnO)-TiO₂/SiO₂

1.
College of Chemical Engineering and Technology, Tianjin University, Tianjin 300072

Corresponding author: ZHONG Shun-He,
Received Date: 29 June 2004
Available Online: 16 October 2004
Fund Project: 国家重大基础研究前期研究专项资助项目(2001CCAO3600) (2001CCAO3600)

Supported loaded semiconductors (MoO₃,ZnO)-TiO₂/SiO₂ were prepared by an isovolumetric impregnation method from TiO₂/SiO₂ prepared by chemical modification reaction.The chemisorption property and photon a bsorption ability of MoO₃-TiO₂/SiO₂ and ZnO-TiO₂/SiO₂ were investigated by BET,UV-Vis DRS,IR and TPD-MS techniques.The gas-phase photocatalytic reaction of CH₄ with H₂O was performed at 150℃ in a fixed-bed annular reactor.The results show that the conversion of methane and the selectivity of methanol reach to 5.1% and 87.3% respectively over MoO₃-TiO₂/SiO₂,and MoO₃-TiO₂/SiO₂ exhibits higher photocatalytic acivity than ZnO-TiO₂/SiO₂.
- TiO₂/SiO₂,
- MoO₃,
- ZnO,
- methane,
- methanol,
- photo-catalysis
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Photocatalytic Reaction of Methane with Water over (MoO₃,ZnO)-TiO₂/SiO₂