C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 31/04 (2006.01) B01J 8/02 (2006.01) B01J 19/14 (2006.01)
Patent
CA 2163221
A process for the use of elemental chlorine, as a gas, in high temperature processes consists in circulating chlorine in a graphite reactor which has a double wall chamber. In the space defined by the double wall, a pressure of either nitrogen, argon or helium is maintained at a value higher than the pressure inside the reactor. In so doing, a radial diffusion of the gas within the wall towards the lower pressure zone inside the reactor is maintained through the graphite wall, thus sweeping to the inside of the reactor any chlorine that would otherwise diffuse radially outward and corrode rapidly the outer metallic shell of the reactor.
Procédé et appareil de purification de graphite contenant un ou plusieurs contaminants. Dans ce procédé et cet appareil on place le graphite (16) dans le coeur (14) du réacteur (10), on lui applique de la chaleur et on fait circuler du chlore (36) dans des conditions de faible pression qui réagit avec les contaminants présents dans le graphite. On fait circuler un gaz inerte (26, 28) dans un passage (38) aménagé dans la paroi (40, 42) du réacteur. On maintient le gaz inerte à une pression supérieure à celle du chlore qui circule dans le graphite.
Exploration Strategique (strex) Inc./strategic Exploration (stre
Goudreau Gage Dubuc
Stratmin Inc.
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