Tri-reforming of coal bed methane to syngas over the Ni-Mg-ZrO<sub>2</sub> catalyst

SUN Lai-zhi; TAN Yi-sheng; ZHANG Qing-de; XIE Hong-juan; HAN Yi-zhuo

Volume 40 Issue 07

Jul. 2012

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Article Navigation > Journal of Fuel Chemistry and Technology > 2012 > 40(07): 831-837

SUN Lai-zhi, TAN Yi-sheng, ZHANG Qing-de, XIE Hong-juan, HAN Yi-zhuo. Tri-reforming of coal bed methane to syngas over the Ni-Mg-ZrO2 catalyst[J]. Journal of Fuel Chemistry and Technology, 2012, 40(07): 831-837.

Citation:

SUN Lai-zhi, TAN Yi-sheng, ZHANG Qing-de, XIE Hong-juan, HAN Yi-zhuo. Tri-reforming of coal bed methane to syngas over the Ni-Mg-ZrO₂ catalyst[J]. Journal of Fuel Chemistry and Technology, 2012, 40(07): 831-837.

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Tri-reforming of coal bed methane to syngas over the Ni-Mg-ZrO₂ catalyst

1.
State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China;
2.
Graduate University of Chinese Academy of Sciences, Beijing 100049, China

Received Date: 2011-12-03
Rev Recd Date: 2012-02-17
Publish Date: 2012-07-31

Abstract

Abstract

Ni-ZrO₂ and Ni-Mg-ZrO₂ catalysts were prepared by a co-precipitation method, and then were characterized by BET, XRD, H₂-TPR and CO₂-TPD techniques. The performances of catalysts in the tri-reforming of coal bed methane to syngas were studied in a fixed bed reactor. The reaction conditions (temperature and feed gas composition) were mainly investigated. The results showed that at t=800℃, atmospheric pressure, CH₄/CO₂/H₂O/O₂/N₂=1.0/0.45/0.45/0.1/0.4, GHSV=30 000 mL/(g·h), about 99% of CH₄ conversion, 65% of CO₂conversion, and V_H₂/V_CO of 1.5 could be achieved during 58 h of reaction, which are related to the strong metal-support interaction, the good thermal stability and basic nature of the catalyst. Furthermore, high temperature favors the tri-reforming of methane. By adjusting the feed gas composition, a specific V_H₂/V_CO could be achieved.
- coal bed methane,
- tri-reforming,
- syngas,
- Ni-Mg-ZrO₂ catalyst

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References(25)

References

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