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Dielectric Spectroscopy of Coking Coal with High Sulphur Content
Corresponding Author(s) : Chuan-Chuan Cai
Asian Journal of Chemistry,
Vol. 26 No. 6 (2014): Vol 26 Issue 6
Abstract
Using reflection transmission method to measure the permittivity of coking coal from Shanxi province in the frequency range between 200-600 MHz. Results shows that the real part and imaginary part of dielectric constant of three coal samples all decreased with the increase of frequency. The loss tangent of raw coal and clean coal decreases with the increase of frequency. There is a good linear relationship between log e', log e" and log f by data fitting processing.
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- P.D. Zavitsanos, K.W. Bleiler and J.A. Golden, Coal desulphurization using alkali metal or alkaline earth compounds and electromagnetic energy, US Patent 4152120 (1979).
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References
P.D. Zavitsanos, K.W. Bleiler and J.A. Golden, Coal desulphurization using alkali metal or alkaline earth compounds and electromagnetic energy, US Patent 4152120 (1979).
G.C. Elsamak, N.A. Öztaş and Y. Yürüm, Fuel, 82, 531 (2003); doi:10.1016/S0016-2361(02)00334-4.
J. Mi, J. Ren, J.-C. Wang, W.-R. Bao and K.-C. Xie, J. China Coal Soc., 33, 435 (2008).
Z.W. Yin, Dielectric Physics, Science Press, Beijing (2003).
X.-M. Feng, J. Chen, N. Li, H.-J. Cui and J.Y. Liu, J. Taiyuan Univ. Technol., 38, 405 (2007).
J.-C. Giuntini, J.-V. Zanchetta and S. Diaby, Fuel, 66, 179 (1987); doi:10.1016/0016-2361(87)90237-7.
Z. Peng, J.-Y. Hwang, B.-G. Kim, J. Mouris and R. Hutcheon, Energy Fuels, 26, 5146 (2012); doi:10.1021/ef300914f. (J).
A.M. Nicolson and G.F. Ross, IEEE Trans. Instrum. Meas., 19, 377 (1970); doi:10.1109/TIM.1970.4313932.