Surendra K. Kawatra - Houghton MI Lawrence L. Sutter - Houghton MI Timothy C. Eisele - Houghton MI
Assignee:
Board of Control of Michigan Technological University - Houghton MI
International Classification:
G01N 23223
US Classification:
378 46
Abstract:
The ash content of coal suspended in a slurry is determined by bombarding a sample of the slurry flowing past a window of a measuring chamber with radiation from an annular nucleonic source, such as Cm-244, for emitting radiation within the range of about 7 to about 30 KeV and causing the sample to emit both backscattered and iron fluorescent x-rays. These x-rays are detected by a radiation detector which produces first and second electrical signals representative of the intensity of each. The density of the sample flowing from the measuring chamber is measured, such as by a nucelonic density gauge, to produce an electrical signal representative of the density and the ash content is determined from the detected intensities of the backscattered and iron fluorescent x-rays and the sample density.
Michigan Technological University College/University · Junior College · Ret Family Clothing College/University · Grant & Contract Administration for The University · Library · Amusement/Recreation Services College/University · Library College/University · Civil & Environmental Engineering Dept
1400 Townsend Dr, Houghton, MI 49931 9064871885, 9064872650, 9064872969, 9064872225
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