Electrodynamic degassing

Details Electrodynamic degassing Electrodynamic degassing

B - Operations, Transporting

03

C

204/181, 204/96

B03C 9/00 (2006.01) B03C 7/02 (2006.01) B22F 1/00 (2006.01)

Patent

CA 1082129

ABSTRACT OF DISCLOSURE An apparatus and method are disclosed for cleaning contaminated particulate material, such as, gas contaminated powder metal. Degassification is accomplished by introducing contaminated particulate material into a vacuum chamber which is connected to a vacuum pump. One or more electric fields are produced within the vacuum chamber by applying a potential across one or more sets of electrodes. The electrical field charges the contaminants and excites them so that the contami- nants are separated for the particulate material and, in this case of a gaseous contaminant, are more easily removed from the vacuum chamber.

270293

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