Hydrogen making from steam-carbon reaction catalyzed by K<sub>2</sub>CO<sub>3</sub> with light irradiation heating

XU Bing-qing; ZHANG Xiao-qing; LONG Hua-li; SHANG Shu-yong; YIN Yong-xiang

Volume 41 Issue 09

Sep. 2013

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Article Navigation > Journal of Fuel Chemistry and Technology > 2013 > 41(09): 1102-1107

XU Bing-qing, ZHANG Xiao-qing, LONG Hua-li, SHANG Shu-yong, YIN Yong-xiang. Hydrogen making from steam-carbon reaction catalyzed by K2CO3 with light irradiation heating[J]. Journal of Fuel Chemistry and Technology, 2013, 41(09): 1102-1107.

Citation:

XU Bing-qing, ZHANG Xiao-qing, LONG Hua-li, SHANG Shu-yong, YIN Yong-xiang. Hydrogen making from steam-carbon reaction catalyzed by K₂CO₃ with light irradiation heating[J]. Journal of Fuel Chemistry and Technology, 2013, 41(09): 1102-1107.

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Hydrogen making from steam-carbon reaction catalyzed by K₂CO₃ with light irradiation heating

1.
Center of Plasma Application, School of Chemical Engineering, Sichuan University, Chengdu 610065, China;
2.
School of Chemistry and Chemical Engineering, Yibin University, Yibin 644007, China

Received Date: 2013-01-15
Rev Recd Date: 2013-03-04
Publish Date: 2013-09-30

Abstract

Abstract

With the simulated solar reaction system irradiated by Xenon lamp, an experiment of hydrogen making from steam-carbon reaction catalyzed by K₂CO₃ was carried out at about 700 ℃. It is found that the rate of hydrogen production with catalysts is 10 times more than that without catalysts, and there is no obvious difference in the rate of hydrogen production with the catalyst content from 10% to 20%. The oxygen-transfer mechanism for hydrogen making from steam-carbon reaction catalyzed by K₂CO₃ was discussed in detail, which was used to explain the unbalanced phenomenon of hydrogen and oxygen in reaction product. The efficiency of light energy conversion to chemical energy reaches to 13.12% in the experiment, which is better than that of photovoltaic method(10.85%). Some approaches for improving the energy conversion efficiency were proposed.
- concentrated solar power,
- steam-carbon catalytic gasification,
- catalytic mechanism,
- energy conversion efficiency,
- hydrogen

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References(21)

References

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