石炭のXRD分析技術(<特集>黒もの分析の進歩)

概要

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Recent progress in X-ray diffraction (XRD) characterization of coal and related materials was summarized from the viewpoint of regularity in aromatic carbon structure. Concerning the stacking structure of aromatic carbon layers, discussion on the appropriate way to use Hirsch's method was carried out, including functions for Fourier analysis of carbon 002 peak. Followed by the standardization of analysis of stacking structure as an establishment of STAC-XRD, this method was also applied to the characterization of char structure associated with some important technologies in coal gasification. On the 2-dimensional regularity in carbon aromatic layers characterized by Diamond's method, the advancement of computer technology these days enabled us to calculate the corresponding structure more easily than ever. But it was also necessary to understand the limit of this method due to the effect of stacking structure on an X-ray profile to be used in this calculation.
一般社団法人日本エネルギー学会の論文
2009-02-20