Electromagnetic pyrolysis metallurgy

Details Electromagnetic pyrolysis metallurgy Electromagnetic pyrolysis metallurgy

C - Chemistry, Metallurgy

22

B

C22B 1/00 (2006.01) C22B 4/00 (2006.01) C22B 11/02 (2006.01) C22B 11/08 (2006.01) H05B 6/62 (2006.01) H05B 6/80 (2006.01)

Patent

CA 2468053

A method to enhance the extraction of an element from an ore includes subjecting the ore, or element bearing material to electromagnetic radiation to induce pyrolysis of the material. The residue of the pyrolysis may then be processed in a conventional manner to extract the element. The radiation used in the invention has a wavelength longer than microwave radiation, and is preferably 100mm or longer. Preferably, radio waves are used as the radiation to effect pyrolysis.

L'invention concerne un procédé permettant d'améliorer l'extraction d'un élément d'un minerai. Ce procédé consiste à soumettre le minerai ou un matériau portant l'élément à des rayons électromagnétiques pour induire la pyrolyse du matériau. Le résidu de pyrolyse peut ensuite être traité de manière classique pour extraire l'élément. Les rayons utilisés dans l'invention ont une longueur d'onde qui est supérieure à celle des rayons de micro-ondes et qui est, de préférence, égale à 100 mm minimum. Les ondes radio sont, de préférence, utilisées comme rayons pour effectuer la pyrolyse.

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