邢台矿区葛泉矿太原组9号煤中的稀土元素研究

doi:10.19286/j.cnki.cci.2019.04.028

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Abstract

The REEs of No. 9 coal from Gequan coal mine were studied by using ICP-MS, the result showed that it was a loss which compared with the c-p coal mean of north China, and they were obvious enrichments which compared with the mean of China coal, world coal and American coal. The ∑REE in the coal sample was 34.545 to 412.736 μg/g, and the average was 110.8 μg/g. The comparison of LREE and HREE showed that LREE was obviously enriched, indicating the possible supply of REE. The distribution showed a "V" shape, indicating that it had a similar sedimentary environment with the late Paleozoic in north China. In the Eu as a valley, which means the Eu was negative, and the Ce curve was the obvious peak, which meant that Ce was abnormal. The anomalies of both elements indicated that the REE were closely related to terrestrial rocks. The total amount of REEs in coal was higher than that in roof and floor and gangue, indicating the existence of REEs in organic phase in coal.

Key words： Gequan Mine No. 9 Coal REEs

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Cite this article:

Zhang Hua. Study on The REEs in No. 9 Coal from Gequan Coal Mine[J]. CCI, 2019, 42(4): 94-97.

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http://www.mtyhg.com.cn/EN/10.19286/j.cnki.cci.2019.04.028 OR http://www.mtyhg.com.cn/EN/Y2019/V42/I4/94

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