Adsorptive removal of thiophene over nickel-based ZnO with different supports

MENG Xuan; SALISSOU ZAKATY M N; WENG Hui-xin; SHI Li

Volume 40 Issue 03

Mar. 2012

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Article Navigation > Journal of Fuel Chemistry and Technology > 2012 > 40(03): 364-369

MENG Xuan, SALISSOU ZAKATY M N, WENG Hui-xin, SHI Li. Adsorptive removal of thiophene over nickel-based ZnO with different supports[J]. Journal of Fuel Chemistry and Technology, 2012, 40(03): 364-369.

Citation:

MENG Xuan, SALISSOU ZAKATY M N, WENG Hui-xin, SHI Li. Adsorptive removal of thiophene over nickel-based ZnO with different supports[J]. Journal of Fuel Chemistry and Technology, 2012, 40(03): 364-369.

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Adsorptive removal of thiophene over nickel-based ZnO with different supports

Petroleum Processing Research Center, East China University of Science and Technology, Shanghai 200237, China

Received Date: 2011-03-17
Publish Date: 2012-03-31

Abstract

Abstract

The nickel-based ZnO adsorbents were prepared by mix-kneading method using different supports with metal-oxide, clay and zeolite. The physiochemical properties of the catalysts were characterized using FT-IR. Then the chemical adsorption performance of thiophene on the adsorbents was studied in a fixed bed stainless steel tubular micro-reactor. The results show that the desulfurization performance varies for different adsorbents. The desulfurization performance of adsorbents with clay supports is higher than that of metal-oxide supports. The desulfurization performance decreases in order of clay-sorb > diatomite-sorb > Al-sorb > Ti-sorb. The sulfur removal rate increases with the total Lewis acidity of the adsorbent. The desulfurization performance decreases in the order of MCM-22-sorb > HY-sorb ≥ Hβ-sorb > H-mordenite-sorb > HZSM-5-sorb. By comparing the pore structure of zeolite supports, it shows that the effective pore size of zeolite supports is the key factor to influence the desulfurization activity.
- thiophene,
- zinc oxide,
- nickel,
- clay,
- zeolite,
- adsorptive desulfurization

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References(20)

References

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