A STUDY ON UNIT STRUCTURES OF BITUMINOUS AKABIRA COAL

被引:38
作者
NOMURA, M
MATSUBAYASHI, K
IDA, T
MURATA, S
机构
[1] Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka, 565
关键词
D O I
10.1016/0378-3820(92)90017-K
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
A plausible chemical structural unit for Akabira bituminous coal is proposed. The strategy employed here was: (1) SRC (94% yield) from Akabira coal was chosen for study; (2) Possible conversion of coal constituents during SRC processing due to heating was evaluated by comparing the constituents of the SRC pyrolysate with those from extracts obtained at ambient temperature; (3) Curie point pyrolysis gave the means to estimate the constituents contained in the SRC fractions; (4) Distribution of the aromatic compounds was obtained from the pyrolysis data; (5) Distribution of aliphatic carbons was based on CP/MAS C-13-NMR data of original coal. A unit structure of C383H372O38N6 (molecular weight 5667.237) is proposed.
引用
收藏
页码:169 / 179
页数:11
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