Classifying – separating – and assorting solids – Precedent preparation of items or materials to facilitate... – Sorting special items or sorting by methods and apparatus...
Patent
1987-12-29
1989-05-16
Reeves, Robert B.
Classifying, separating, and assorting solids
Precedent preparation of items or materials to facilitate...
Sorting special items or sorting by methods and apparatus...
209589, 376159, B07C 502, B07C 5346
Patent
active
048301930
ABSTRACT:
A gold sorting plant in which the gold content of lumps of ore is measured by means of a neutron activation analytical technique. Separate lumps of gold ore are graded in two sizes which are presented to an irradiator such as to irradiate them uniformly. The energized lumps of ore are conveyed to an analyzer/sorter station where the intensity of .gamma.-rays having an energy of 297 KeV from each lump of ore is measured, and it is accepted or rejected for further processing. Various forms of irradiator and analyzer/sorter are described.
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Clayton Colin G.
Spackman Ramon
Hinds William R.
Reeves Robert B.
United Kingdom Atomic Energy Authority
Wacyra Edward M.
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