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Citation: Luo Sheng-Cheng, Gui Lin-Lin, Tang You-Qi. The Characterisation of the Adsorption of H₂S on MoO₃/TiO₂-Al₂O₃ by XPS[J]. Acta Physico-Chimica Sinica, ;1996, 12(04): 341-345. doi: 10.3866/PKU.WHXB19960411 shu

The Characterisation of the Adsorption of H₂S on MoO₃/TiO₂-Al₂O₃ by XPS

1.
Institute of Physical Chemistry,Peking University,Beijing 100871

Received Date: 1 June 1995
Available Online: 15 April 1996

The adsorption of H2S on MoO3/TiO2-Al2O3 was investigated by XPS, along with the measurement of breakthrough curve. The results showed: the amount of adsorbed H2S for each gram of MoO3 varied with the loadings of MoO3, and approached a maximum when the loading was 0.15g/g TiO2-Al2O3; the adsorption capacity of 0.15g MoO3/g TiO2-Al2O3 increased when the adsorbent was heated from 100 to 300℃, with the atomic ratio of S to Mo rising to c.a. 1, the adsorbent of 0.15g MoO3/gTiO2-Al2O3 could be regenerated easily by oxidation with air during 150 to 250℃; the adsorption process might be a chemical reaction as pointed out by reference [1]: H2S+MoO3=MoO3•SH2 or H2S+MoO3=MoO2•S+H2O.
- MoO₃,
- TiO₂-Al₂O₃,
- XPS,
- H₂S,
- Adsorption
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The Characterisation of the Adsorption of H₂S on MoO₃/TiO₂-Al₂O₃ by XPS