COMPARATIVE-ANALYSIS OF EXTRACTABLES AND STEAM PYROLYSIS PRODUCTS FROM HIGH-VOLATILE BITUMINOUS COAL

被引：16

作者：

RAZVIGOROVA, M ^{[1
]}

GORANOVA, M ^{[1
]}

MINKOVA, V ^{[1
]}

RUSSYANOVA, N ^{[1
]}

机构：

[1] EASTERN COAL INST,SVERDLOVSK,RUSSIA

来源：

FUEL | 1995年 / 74卷 / 09期

关键词：

BITUMINOUS COAL; EXTRACTION; STEAM PYROLYSIS;

D O I：

10.1016/0016-2361(95)00089-N

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Samples of high-volatile bituminous coal were Soxhlet extracted and thermally treated in the presence of water vapour in two steps - up to 300 degrees C and from 300 to 500 degrees C. The extractables and the two oils were investigated by several chemical methods. n-Alkanes, isoprenoids, pentacyclic triterpenoids and n-alkenes were identified in the saturated fractions. Some sesquiterpenoid and diterpenoid biomarkers were found in the aromatic fractions from the extractables and the 300 degrees C oil. No polycondensed aromatic hydrocarbons were present in any of the fractions examined. Large quantities of aliphatic structures were found in both the molecular and macromolecular parts of the coal organic matter. The components of the 300 degrees C fraction are comparable to those obtained by ethanol-benzene extraction.

引用

页码：1333 / 1342

页数：10

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