煤炭转化2013,Vol.36Issue(2):1-5,5.
神东上湾煤及其显微组分富集物结构特征研究
STRUCTURAL CHARACTERIZATION OF SHENDONG SHANGWAN COAL AND ITS MACERAL
摘要
Abstract
Shendong Shangwan coal and its macerals of vitrinite and inertinite were analyzed by 13C-CP/MAS NMR and FTIR and relative structural parameters were also discussed. The results indicate that inertinite has a higher aromaticity and aromatic bridgehead carbons than those of parent coal and vitrinite. The types of naphthalene and anthracene were main aromatic structure in inertinite macrostructure. Vitrinite had more alkylated aromatic, paraffin hydrocarbon, cycloalkanes, aliphatic carbon and higher hydrogen content. The type of benzene was the main aromatic structure; the macrostructure of parent coal has more fH al (quanternary carbon, CH and CH2) and bonded to oxygen(fO al) and naphthalene was its main aromatic structure. The degree of hydroxy association of three sample and C=C stretching vibration are also stronger. The ratio Hal/Har of vitrinite 2. 18 is much higher than that of parent coald. 52) and inertinited. 36), which was consistent with the fact that vitrinite had lower aromaticity; the macrostructure of vitrinite and inertinite have more stretching vibration -CH2 than that of parent coal.关键词
显微组分/镜质组/13C-NMR/结构特征Key words
maceral/vitrinite/13C-CP/MAS NMR/structural characterization分类
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蔺华林,李克健,章序文,李永伦..神东上湾煤及其显微组分富集物结构特征研究[J].煤炭转化,2013,36(2):1-5,5.