Diamond separation using raman scattering

Details Diamond separation using raman scattering Diamond separation using raman scattering

1986-08-27

1987-09-15

Reeves, Robert B.

Classifying, separating, and assorting solids

Sorting special items, and certain methods and apparatus for...

Condition responsive means controls separating means

209644, 356 30, 356301, 356318, 364498, B07C 5342

Patent

active

046933778

ABSTRACT:
A method for separating diamonds from gangue in which discrete units of gangue are passed through a beam of laser radiation capable of causing Raman spectral activation. The scattered radiation is detected and caused to actuate an ejector which separates units of diamond containing gangue from units of non-diamond containing gangue. The units of diamond containing gangue are then collected together.

REFERENCES:
patent: 4030827 (1977-06-01), Delhaye et al.
patent: 4057146 (1977-11-01), Castaneda et al.
patent: 4212397 (1980-07-01), Bockelmann
patent: 4620284 (1986-10-01), Schnell et al.

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