Activated carbons and method for obtaining same from a...

C - Chemistry – Metallurgy – 01 – B

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C01B 31/08 (2006.01) A62D 5/00 (2006.01) B01D 69/00 (2006.01) B01D 69/14 (2006.01) B01J 20/20 (2006.01) B01J 20/28 (2006.01) C10C 3/00 (2006.01) F17C 11/00 (2006.01) G21F 9/02 (2006.01)

Patent

CA 2392026

The invention concerns activated carbons. It further concerns a method for obtaining said activated carbons from a partly mesophased and partly mesogenic pitch. It concerns a method for obtaining activated carbons from a partly mesophase and partly mesogenic pitch containing less than about 40 % of type .alpha. resins, more than about 40 % of type .beta. resins and between about 5 and 30 % of type .gamma. resins by activating said pitch preceded by its optional carbonization.

La présente invention est relative à des charbons actifs. Elle a en outre pour objet un procédé d'obtention de ces charbons actifs à partir d'un brai partiellement mésophasé et partiellement mésogéné. Elle est relative à un procédé d'obtention de charbons actifs à partir d'un brai partiellement mésophasé et partiellement mésogéné contenant moins d'environ 40% de résines de type .alpha., plus d'environ 40% de résines de type .beta. et entre environ 5 et 30% de résines de type .gamma. par activation dudit brai éventuellement précédée par sa carbonisation.

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