Distribution and modes of occurrence of U and Th in oil shale

BAI Jing-ru; WANG Qing; WEI Yan-zhen; QIN Hong

Volume 41 Issue 01

Jan. 2013

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BAI Jing-ru, WANG Qing, WEI Yan-zhen, QIN Hong. Distribution and modes of occurrence of U and Th in oil shale[J]. Journal of Fuel Chemistry and Technology, 2013, 41(01): 53-59.

Citation:

BAI Jing-ru, WANG Qing, WEI Yan-zhen, QIN Hong. Distribution and modes of occurrence of U and Th in oil shale[J]. Journal of Fuel Chemistry and Technology, 2013, 41(01): 53-59.

BAI Jing-ru, WANG Qing, WEI Yan-zhen, QIN Hong. Distribution and modes of occurrence of U and Th in oil shale[J]. Journal of Fuel Chemistry and Technology, 2013, 41(01): 53-59.

Citation:

BAI Jing-ru, WANG Qing, WEI Yan-zhen, QIN Hong. Distribution and modes of occurrence of U and Th in oil shale[J]. Journal of Fuel Chemistry and Technology, 2013, 41(01): 53-59.

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Distribution and modes of occurrence of U and Th in oil shale

1.
Engineering Research Centre of Ministry of Education for Comprehensive Utilization of Oil Shale, Northeast Dianli University, Jilin 132012, China;
2.
Dongying Power Plant Preparation Office of China Datang, Dongying 257091, China

Received Date: 2012-05-04
Rev Recd Date: 2012-08-16
Publish Date: 2013-01-31

Abstract

Abstract

The concentrations and modes of occurrence of U and Th in 23 oil shale samples from China were studied. The concentrations of U and Th were determined by inductively coupled plasma-mass spectrometry. The occurrence of U and Th in Huadian and Luozigou oil shale was investigated using six-step sequential chemical extract method. The concentrations of U in oil shale are within 10×10^-6 and average of 3.92×10^-6. The concentrations of Th in oil shale are within 20×10^-6 and average of 10.51×10^-6. The abundances of U and Th in oil shale are slightly higher than in crust and close to sedimentary rocks. The experimental results of floating and sinking roughly equal that of the sequential chemical extraction in U and Th. The U and Th in oil shale are mainly existed in minerals.
- U,
- Th,
- oil shale,
- distribution,
- modes of occurrence

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References(22)

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