Process for on-line monitoring of oxidation or degradation...

Details Process for on-line monitoring of oxidation or degradation... Process for on-line monitoring of oxidation or degradation...

G - Physics

01

V

G01V 8/00 (2006.01)

Patent

CA 2394272

The degree of degradation or oxidation of an oil sand ore feedstock is monitored by near infrared spectroscopy. A beam of near infrared radiation is directed onto the surface of oil sand ore, e.g. on a conveyor belt, to produce reflected radiation and distinctive spectral features are measured indicative of the degree of degradation or oxidation of the oil sand ore. These distinctive spectral features are selected from (a) recording a baseline spectrum shift with decreasing spectral intensity indicating increasing degradation or oxidation, (b) recording spectral peaks in the range 1150 to 1250 nm with said spectral peaks increasing with increasing degradation or oxidation, (c) recording spectral peaks in the range 1700 to 1800 nm with said spectral peaks decreasing with increasing degradation or oxidation and (d) recording spectral peaks in the range 1900 to 2000 nm with said spectral peaks increasing with increasing degradation or oxidation. The recorded spectral values are mathematically converted into signals for controlling operating conditions in an oil sand processing plant.

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