Application of gamma-ray attenuation technology in density measurement of a slurry reactor

被引：1
|
作者：
Xu J. [1 ,2 ]
Wei W. [1 ]
Zhang K. [2 ]
机构：
[1] The Key Laboratory of Catalysis, China National Petroleum Co., China University of Petroleum
[2] The State Key Laboratory of Heavy Oil, China University of Petroleum
来源：
Frontiers of Chemical Engineering in China | 2010年 / 4卷 / 4期
关键词：
axial density distribution; gamma-ray attenuation technology; slurry reactor;
D O I：
10.1007/s11705-010-0509-6
中图分类号：
学科分类号：
摘要：
Axial density profile of the gas-liquid-solid mixture in a slurry bubble column was measured by gamma-ray attenuation technology. Several measures for improving measurement precision were presented based on the discussion on attenuation law. It was found that the response frequency and the ray intensity should be as high as possible to improve the measurement precision. The mass absorption coefficient depended on not the object's thickness but the location where the object was placed between the ray source and the detector. The results showed that the density in the column decreases with the increase of column height, which indicates that the measurement by gamma-ray attenuation is reasonable. © 2010 Higher Education Press and Springer-Verlag Berlin Heidelberg.
引用
收藏
页码：486 / 490
页数：4
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