NEW PERSPECTIVES FOR COAL ASH UTILIZATION - SYNTHESIS OF ZEOLITIC MATERIALS

被引:109
作者
MONDRAGON, F
RINCON, F
SIERRA, L
ESCOBAR, J
RAMIREZ, J
FERNANDEZ, J
机构
[1] Department of Chemistry, University of Antioquia, Medellin
基金
美国国家科学基金会;
关键词
ash; coal; zeolites;
D O I
10.1016/0016-2361(90)90187-U
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
An alternative use for coal ash was investigated, based on the metakaolin-type material present in the ash. In this study, fly ash from Amaga coal (Colombia) was used. The ash was treated with sodium hydroxide at different concentrations and various times and temperatures of crystallization. The zeolite produced contained 50-75% of a faujasite type material, and had an adsorption capacity ≈70-80% of that of the commercial zeolite 13X. © 1990.
引用
收藏
页码:263 / 266
页数:4
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