MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS (filters making use of electricity or magnetism B 01 D 35/06; separating isotopes B 01 D 59/00; combinations of magnetic or electrostatic separation with separation of solids by other means B 03 B, B 07 B; separating sheets from piles B 65 H 3/00; magnets or magnet coils per seH 01 F) [5]
1
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00
Magnetic separation
1
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005
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Pretreatment specially adapted for magnetic separation [6]
1
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01
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by addition of magnetic adjuvants [6]
1
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015
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by chemical treatment imparting magnetic properties to the material to be separated, e.g. roasting, reduction, oxidation [6]
1
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02
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acting directly on the substance being separated [5]
1
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021
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Separation using Meissner effect, i.e. deflection of superconductive particles in a magnetic field [6]
1
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023
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Separation using Lorentz force, i.e. deflection of electrically charged particles in a magnetic field [6]
1
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025
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High gradient magnetic separators [5]
1
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027
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•
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with reciprocating canisters [6]
1
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029
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with circulating matrix or matrix elements (matrix elements B 03 C 1/034) [6]
1
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03
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•
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rotating, e.g. of the carousel type [5,6]
1
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031
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Component parts; Auxiliary operations [6]
1
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032
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•
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Matrix cleaning systems [6]
1
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033
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•
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characterised by the magnetic circuit [6]
1
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034
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•
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characterised by the matrix elements [6]
1
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035
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Open gradient magnetic separators, i.e. separators in which the gap is unobstructed, characterised by the configuration of the gap [5]
1
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0355
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using superconductive coils [6]
1
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04
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with the material carriers in the form of trays or with tables
1
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06
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with magnets moving during operation
1
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08
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with non-movable magnets
1
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10
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with cylindrical material carriers (B 03 C 1/247 takes precedence) [6]
1
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12
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with magnets moving during operation; with movable pole pieces
1
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14
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with non-movable magnets
1
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16
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with material carriers in the form of belts
1
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18
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with magnets moving during operation
1
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20
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•
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in the form of belts, e.g. cross-belt type
1
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22
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with non-movable magnets
1
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23
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with material carried by oscillating fields; with material carried by travelling fields, e.g. generated by stationary magnetic coils; Eddy-current separators, e.g. sliding ramp [5]
1
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24
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with material carried by travelling fields [5]
1
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247
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•
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obtained by a rotating magnetic drum [6]
1
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253
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•
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obtained by a linear motor [6]
1
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26
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with free falling material (B 03 C 1/035 takes precedence) [5]
1
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28
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Magnetic plugs and dipsticks
1
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30
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Combinations with other devices, not otherwise provided for
1
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32
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acting on the medium containing the substance being separated, e.g. magneto-gravimetric-, magnetohydrostatic-, or magnetohydrodynamic separation [5]
