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Citation: Yu Chun-Ying, Li Wen-Zhao, Wang Jun, Chen Yan-Xin, Zhang Ying-Zhen. Effect of Supported Pt on Reduction and Sulfidation of Mo Based Catalysts[J]. Acta Physico-Chimica Sinica, ;1998, 14(05): 439-443. doi: 10.3866/PKU.WHXB19980511 shu

Effect of Supported Pt on Reduction and Sulfidation of Mo Based Catalysts

1.
Dalian Institute of Chemical Physics,Chinese Academy of Sciences,Dalian 116023

Received Date: 8 August 1997
Available Online: 15 May 1998

Effect of supported Pt on reduction and sulfidation for Pt/MoO3 and Pt/MOS2 catalysts were studied by pulse reduction-sulfidation, flow reduction-sulfidation, temperature programmed electrical conductivity, temperature programmed reduction technique and X ray diffraction analysis. It was found that, for Pt/MoO3 the addition of Pt greatly promoted the reduction and sulfidation of MoO3, it was also shown that, for Pt/MoS2 Pt obviously facilitated the reduction of MoS2 to form S-vacancy, leading to an increment of the concentration of coordinative unsaturated molybdenum.
- MoO3,
- Pt/MoO3,
- TPR,
- XRD,
- Electrical conductivity
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