Citation: CHEN Yan, ZHANG Ji-yu, FENG Yun-fei. Effects of dispersion of sodium ions on catalytic Fujian anthracite gasification[J]. Journal of Fuel Chemistry and Technology, ;2014, 42(11): 1302-1308. shu

Effects of dispersion of sodium ions on catalytic Fujian anthracite gasification

CHEN Yan ^1,2,, ,
ZHANG Ji-yu ² ,
FENG Yun-fei ²

1.
1. School of Materials Engineering, Fujiang Articulture and Forestry University, Fuzhou 350003, China;

Corresponding author: CHEN Yan,
Received Date: 26 June 2014
Available Online: 13 September 2014
Fund Project: 国家自然科学基金(20376014) (20376014) 福建省科技厅重点资助(HG99-01). (HG99-01)

With sodium carbonate and sodium dodecyl benzene sulfonate used as the catalysts respectively, the steam gasification kinetic experiments of Fujian Jianxin and Chuanghong anthracites were conducted in an atmospheric thermal balance, and the effects of catalyst loading amount(0%~15%) and gasification temperature (850~950 ℃) were examined. The experimental data were fitted by shrinking core model. Meanwhile, the kinetic parameters were obtained. The results show that both sodium carbonate and sodium dodecyl benzene sulfonate can significantly increase the gasification rate and reduce the activation energy of gasification reaction of the two anthracite samples. Because the loading process of catalyst LAS can make the sodium ions being dispersed more evenly, even with low concentration of Na⁺, the carbon conversion can be improved significantly and the gasification reaction time is reduced too. The experiments prove that it is a new way for the application and development of LAS in catalytic steam gasification of Fujian anthracite.
- anthracite,
- catalytic gasification,
- sodium dodecyl-benzenesulfonate
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