The catalytic effect of both oxygen-bearing functional
group and ash in carbonaceous catalyst on CH 4 -CO 2 reforming

doi:10.1007/s11705-009-0242-1

Front. Chem. Sci. Eng.

2010, Vol. 4

Issue (2) : 147-152 https://doi.org/10.1007/s11705-009-0242-1

Research articles

The catalytic effect of both oxygen-bearing functional group and ash in carbonaceous catalyst on CH 4 -CO 2 reforming

Weidong ZHANG,Yongfa ZHANG,

Key Laboratory of Coal Science and Technology of Shanxi Province and Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, China;

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Abstract A kind of new catalyst—carbonaceous catalyst—for CH₄-CO₂ reformation has been developed in our laboratory. The effect of both oxygen-bearing functional group such as phenolic hydroxyl, carbonyl, carboxyl, and lactonic, and ash such as Fe₂O₃, Na₂CO₃, and K₂CO₃ in the carbonaceous catalyst on the CH₄-CO₂ reforming has been investigated with a fixed-bed reactor. It has been found that the carbonaceous catalyst is an efficient catalyst on CO₂-CH₄ reforming. With the decrease of oxygen-bearing functional group, the catalytic activity of carbonaceous catalyst decreases quickly. The oxygen-bearing functional groups play a significant role in the carbonaceous-catalyzed CO₂-CH₄ reforming; the ash components in carbonaceous catalyst also have an important influence on the CO₂-CH₄ reforming. Fe₂O₃, Na₂CO₃, and K₂CO₃ in the ash can catalyze the CO₂-CH₄ reforming reaction; CaO has little effect on CO₂-CH₄ reforming reaction. CaO can catalyze the gasification between carbonaceous catalyst and CO₂; Al₂O₃ and MgO inhibit the CO₂-CH₄ reforming.

Issue Date: 05 June 2010

Cite this article:

Yongfa ZHANG,Weidong ZHANG. The catalytic effect of both oxygen-bearing functional group and ash in carbonaceous catalyst on CH 4 -CO 2 reforming[J]. Front. Chem. Sci. Eng., 2010, 4(2): 147-152.

URL:

https://academic.hep.com.cn/fcse/EN/10.1007/s11705-009-0242-1
https://academic.hep.com.cn/fcse/EN/Y2010/V4/I2/147

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