Method to separate metallic phases from other phases...

Details Method to separate metallic phases from other phases... Method to separate metallic phases from other phases...

C - Chemistry, Metallurgy

22

B

C22B 9/02 (2006.01) B01D 21/26 (2006.01)

Patent

CA 2091457

2091457 9301321 PCTABS00019 The invention relates to a process for demetallising metal-containing residues, shavings, slag and the like occurring in metallurgical and waste metal recovery processes in which the metal/non-metal phase mixture is introduced into a centrifugal mould at a temperature within the given range or taken to said temperature after its introduction, subjected to radial acceleration in a first stage of the process for a predetermined time while maintaining the temperature within said range until a desired degree of demetallisation has been reached and, in a second stage, the separated metallic phase at the outer perimeter is caused to harden or solidify by reducing its temperature while maintaining the radial acceleration, whereafter the metallic phase, on reaching handling temperature, is removed in the form of a body at least substantially matching the shape of the inside of the centrifugal mould and with a substantially rotation-paraboloid or cylindrical inner surface. It also comprises preferred devices for implementing the process.

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