Rare earth compounds in coals

被引：0
|
作者：
Shpirt, M.Ya. [1 ]
Seredin, V.V. [1 ]
Goryunova, N.P. [1 ]
机构：
[1] Inst Goryuchikh Iskopaemykh
来源：
Khimiya Tverdogo Topliva | 1999年 / 03期
关键词：
Chemical resistance - Coal deposits - Complexation - Organic compounds - Rare earth compounds;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The distribution of lanthanum (light REE) and ytterbium (heavy REE) in fractions of different density in rare earth metal coals of Russian deposits and humic substances extracted from these coals is experimentally studied. The conclusion is made that in rare earth metal coals REE are concentrated in the coal organic mass unlike the standard coals. It is shown that rare earth compounds are mainly various complex humates differing in alkali and hydrochloric acid resistance.
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页码：91 / 99
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