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Vol. 28 No. 8 (2016): Vol 28 Issue 8

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Effect of Nickel Content on Carbon Anode Reactivity

https://doi.org/10.14233/ajchem.2016.19794
Zhiying Li
College of Materials Science and Engineering, Chongqing University, Chongqing 400044, P.R. China; The Materials and Metallurgical College, Guizhou University, Guiyang 550003, P.R. China; Guizhou Province Key Laboratory of Metallurgical Engineering and Process Energy Saving, Guizhou University, Guiyang 550003, P.R. China
Nianbing Zhang
College of Material and Civil Engineering, Guizhou Normal University, Guiyang 550001, P.R. China
Liangying Wen
College of Materials Science and Engineering, Chongqing University, Chongqing 400044, P.R. China

Corresponding Author(s) : Liangying Wen

cquwen@cqu.edu.cn

Asian Journal of Chemistry, Vol. 28 No. 8 (2016): Vol 28 Issue 8

Abstract

In order to ascertain the impact of nickel content on carbon anode reactivity, different nickel content of carbon anodes were prepared with the single factor experimental method and test its reactivity in CO2 and air atmosphere respectively. The microstructure of carbon anodes and pitch cokes were tested by XRD. The pitch pyrolysis process was tested with TG-DTG method. The results show that the bulk density of carbon anode can be improved, the rate of residual and chalking of carbon anode can also be significantly improved, even a small increase in Ni content. Nickel can refine the crystallite size of carbon anode and pitch coke, promote the asphalt carbonization. Nickel can increase the apparent activation energy of asphalt pyrolysis process to 52.964 KJ/mol, increase the rate of pitch coke yield and reaction order is 4.7.

Keywords

Carbon anode Pitch coke Nickel CO2 reactivity Air reactivity
Li, Z., Zhang, N., & Wen, L. (2016). Effect of Nickel Content on Carbon Anode Reactivity. Asian Journal of Chemistry, 28(8), 1703–1707. https://doi.org/10.14233/ajchem.2016.19794
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