B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
B22D 27/18 (2006.01) B22D 21/02 (2006.01) C22B 9/00 (2006.01)
Patent
CA 2519784
This invention relates to a method for generating pollution credits while processing molten magnesium, aluminum, lithium, and alloys of such metals by contacting the molten metal or alloy with a gaseous mixture comprising a fluorocarbon selected from the group consisting of perfluoroketones, hydrofluoroketones, and mixtures thereof.
Cette invention concerne un procédé de traitement du magnésium, de l'aluminium, du lithium et des alliages de tels métaux donnant droit à des crédits de pollution. Ce procédé consiste à mettre le métal ou l'alliage en fusion en contact avec un mélange gazeux comprenant un fluorocarbure pris dans le groupe composé de perfluorocétones, d'hydrofluorocétones et de mélanges de ces substances.
Milbrath Dean S.
Owens John G.
3m Innovative Properties Company
Smart & Biggar
LandOfFree
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