EFFECT OF NAOH TREATMENT ON SURFACE-PROPERTIES OF COAL

被引：13

作者：

SENKAN, SM ^{[1
]}

FULLER, EL ^{[1
]}

机构：

[1] OAK RIDGE NATL LAB,DIV CHEM,OAK RIDGE,TN 37830

来源：

FUEL | 1979年 / 58卷 / 10期

关键词：

D O I：

10.1016/0016-2361(79)90070-X

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：

Surface properties of sub-bituminous Wyodak and bituminous Illinois coals were examined using sorption and immersion techniques, to elucidate the effects of aqueous NaOH treatment. Sorption of non-polar gases such as CO2 and N2 decreased significantly after the alkali treatment for the Wyodak coal; however, similar tests with the Illinois coal did not produce such dramatic results. Water sorption and heats of immersion into liquid water increased considerably for both coals following the NaOH treatment. It is concluded that treatment with aqueous NaOH affects the chemical and physical structure of the coal surface. © 1979.

引用

页码：729 / 731

页数：3

共 14 条

[1]

ANDERSON RB, 1965, FUEL, V44, P443

[2] COLLOIDAL STRUCTURE OF VICTORIAN BROWN COALS .1. ALKALINE DIGESTION OF BROWN COAL [J].