CONCENTRATION OF PYRROLES AND PHENOLS FROM COAL-TAR PITCH BY ORGANIC-SOLVENT EXTRACTION

被引：28

作者：

FEI, YQ ^{[1
]}

SAKANISHI, K ^{[1
]}

SUN, YN ^{[1
]}

YAMASHITA, R ^{[1
]}

MOCHIDA, I ^{[1
]}

机构：

[1] NIPPON STEEL CHEM CO LTD,TECHNOL RES & DEV LAB,TOBATA KU,KITAKYUSHU 804,JAPAN

来源：

FUEL | 1990年 / 69卷 / 02期

关键词：

extraction; pitch; tar extraction;

D O I：

10.1016/0016-2361(90)90186-T

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：

A coal tar pitch was extracted with methanol, and polar compounds in the methanol soluble fraction were precipitated using n-hexane. Phenols and pyrroles were found to be concentrated in the methanol soluble but n-hexane insoluble fraction (MS-HI). © 1990.

引用

页码：261 / 262

页数：2

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