Ash Composition Influence on Fusibility of Coal Ash

Na Gao; Sheng Hua Liu; Yan Hong Guo

doi:10.4028/www.scientific.net/AMM.448-453.3009

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 448-453Ash Composition Influence on Fusibility of Coal...

Ash Composition Influence on Fusibility of Coal Ash

Abstract:

The coal of Zichang was selected as the sample coal, the physical properties of the ash is analyzed with ICP-AES. The ash fusion temperature was researched by adding different basic oxide contents. The results show that the general trend is decrease firstly, and then increase when adding basic oxides. Blended ash fusion temperatures do not change linearly with blending ratios and ash fusion will decrease when adding the contents of CaO, Na₂O and MgO, but the effect is different. Na₂O is best and CaO is second. Mineral composition and type at addition oxides were determined by XRD analysis. Some combinations of component coals mineral produce eutectic minerals at high temperature;It can explain the reason of oxides decrease the ash fusion. Vitreous minerals are formed to explain increase the fusion temperature.

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Periodical:

Applied Mechanics and Materials (Volumes 448-453)

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3009-3012

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.448-453.3009

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October 2013

Authors:

Na Gao, Sheng Hua Liu, Yan Hong Guo

Keywords:

Coal Ash, Different Oxides, Fusibility, Mineral

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References

[1] S.A. Lolja, H. Haxhi, D.H. Gjyli: Ash composition of the main Albanian coals. Fuel Vol. 79 (2000), pp.207-209.

DOI: 10.1016/s0016-2361(99)00104-0

Google Scholar

[2] K. Matsuoka, Y. Suzuki, K.E. Eylands, S.A. Benson, A. Tomita: CCSEM study of ash forming reactions during lignite gasification. Fuel, Vol. 85(2006), p.2371–2376.

DOI: 10.1016/j.fuel.2006.05.014

Google Scholar

[3] M. Seggiani, G. Pannocchia: Predication of coal ash thermal properties using partial least-squares regression. Ind. Eng. Chem. Res., Vol. 42(2003), p.4919–4926.

DOI: 10.1021/ie030074u

Google Scholar

[4] J C. Van, S.A. Benson, M.L. Laumb, B. Waanders: Coal and coal ash characteristics to understand mineral transformations and slag formation. Fuel, Vol. 88(2009), pp.1057-1063.

DOI: 10.1016/j.fuel.2008.11.034

Google Scholar

[5] X.J. WU, Z.X. ZHANG, Y.S. CHEN, T. ZHOU, J.J. FAN, G.L. PIAO, K. Nobusuke, M. Shigekatsu, I Yoshinori. Main mineral melting behavior and mineral reaction mechanism at molecular level of blended coal ash under gasification condition. Fuel Processing Technology Vol. 91(2010).

DOI: 10.1016/j.fuproc.2010.06.007

Google Scholar