石炭科学会議発表論文集
Online ISSN : 2423-8309
Print ISSN : 2423-8295
ISSN-L : 2423-8295
第39回石炭科学会議
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2.固体NMRによるチャーの構造解析
三輪 優子高橋 義和片桐 元秋本 明光
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p. 21-22

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In order to investigate the gasification mechanism, structure characterization of char is one of useful approaches. Solid state NMR measurements were performed for raw coals and chars obtained by a drop tube furnace (DTF) at 800, 1200, and 150℃. Demineralized chars treated by hydrochloric acid were also evaluated. Both of the chemical shift and the FWHM obtained by NMR spectra show good relationships with the size of carbon hexagonal network plane. Some structural differences were observed after demineralization because of a damage by strong acid.

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© 2002 一般社団法人 日本エネルギー学会
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