Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Condition responsive means controls separating means
Patent
1978-12-21
1980-12-02
Spar, Robert J.
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Condition responsive means controls separating means
208 12, 250362, 250365, 250459, 423206R, 423422, 209577, 209582, 209588, B07C 5342, C01D 722, C10G 3202
Patent
active
042366402
ABSTRACT:
Nahcolite-containing ore particles are separated from oil shale particles in a mixture of particles of nahcolite-bearing oil shale ore by irradiating the mixture of ore particles with electromagnetic energy in the infrared region of the spectrum and sorting the particles according to energy reflected at one or more selected wavelengths within that region to separate the nahcolite-containing ore particles from the oil shale particles.
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IBM Technical Disclosure Bulletin, vol. 2, No. 5, Feb., 1960, Lyons, Silvey and Turner, pp. 97 and 98.
Spar Robert J.
The Superior Oil Company
Wacyra Edward M.
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