Classifying – separating – and assorting solids – With heat treatment
Patent
1987-06-24
1989-05-09
Reeves, Robert B.
Classifying, separating, and assorting solids
With heat treatment
209 2, 209212, 241 24, 241 79, 505 1, 505932, B03B 100, B03C 100
Patent
active
048286850
ABSTRACT:
A method and apparatus for separating at least one superconductive phase from a multiphase material which may contain multiple superconductive phases and a normal phase by the use of diamagnetic force. A material containing multiple phases is pulverized into granules approximately the grain size of a selected superconductive phase and is then subjected to a force to cause movement of the particles in a particular direction. The selected superconductive phase is made superconducting by cooling the material below its transition temperature. Diamagnetic force is then generated by an applied magnetic field which deflects and separates the superconducting granules but has substantially no effect on the nonsuperconducting granules. Conversely, the selected superconductive phase has a magnetic field applied to it and then is made superconducting to cause a separation. Several specialized apparatus for carrying out the method are disclosed wherein adjustments to a gravitational or other force and the diamagnetic force can be made to provide efficient separation and classification.
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General Atomics
Reeves Robert B.
Wacyra Edward M.
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