Sorting of ores with detectable compounds

Details Sorting of ores with detectable compounds Sorting of ores with detectable compounds

1979-12-05

1982-08-31

Knowles, Allen N.

Classifying, separating, and assorting solids

Precedent preparation of items or materials to facilitate...

Sorting special items or sorting by methods and apparatus...

209578, B07C 502

Patent

active

043471250

ABSTRACT:
A process for separating ore particles from gangue particles comprises the steps of (1) conditioning the particles with an agent comprising a compound having both a surface-selective functional group and a detectable moiety, to selectively coat either the ore particles or the gangue particles, to the substantial exclusion of the other; (2) detecting the coated particles; and (3) separating the detected, coated particles from the substantially uncoated particles. In one embodiment, the detectable moiety is fluorescent and detecting is performed under ultraviolet radiation.

REFERENCES:
patent: 3356211 (1967-12-01), Mathews
patent: 3901793 (1975-08-01), Buchot
patent: 4208273 (1980-06-01), Moudgil

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