81. The porous structure of coals as revealed by xenon-NMR spectroscopy

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概要

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• The powerful features of Xe-129 NMR spectroscopy were used to describe some poorly understood aspects of the microporous structure of coal. Of special interest were the existence of connectivity of the micropores, the type of this connectivity and its changes with coal rank. Six coals whose rank ranged from lignite to anthracite were analyzed. Their micropore size scales and distributions were considered. More importantly, time tracking of the xenon adsorption process by NMR, selective presaturation and saturation transfer techniques were used. All the results, and especially the observed xenon exchange timescales, are consistent with an open but highly constricted micropore network. Some insight was also gained into the distribution of constrictions with rank and particle size.

• 一般社団法人日本エネルギー学会の論文
• 1997-10-30

著者

• Radovic L.r.

  Department Of Materials Science And Engineering The Pennsylvania State University

• Hatcher P.g.

  Department Of Materials Science And Engineering The Pennsylvania State University

• Anderson S.A.

  Department of Chemistry, The Pennsylvania State University

• Benesi A.J.

  Department of Chemistry, The Pennsylvania State University

• Anderson S.a.

  Department Of Chemistry The Pennsylvania State University

• Benesi A.j.

  Department Of Chemistry The Pennsylvania State University

関連論文

• 81. The porous structure of coals as revealed by xenon-NMR spectroscopy

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