Method and apparatus for sensing the ash content of coal

Details Method and apparatus for sensing the ash content of coal Method and apparatus for sensing the ash content of coal

G - Physics

01

N

358/12

G01N 23/22 (2006.01)

Patent

CA 1144662

ABSTRACT OF THE DISCLOSURE The ash content of a coal sample is sensed by bombarding it with primary radiation comprising at least two spectrums of energies (46 KeV and 9-17 KeV) to cause radiative reactions in the coal, sensing the secondary radiation generated by the radiative reactions caused by one of the two spectrums of energies (46 KeV), sensing the secondary radiations at a characteristic fluorescent energy of at least one element (e.g. iron) in the coal sample, the characteristic fluorescent energy being excited by the other of the two spectrums of energies (9-17 KeV), and using the sensed secondary radiations to determine the ash content of the coal.

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