Activated carbon beads and methods of making them

Details Activated carbon beads and methods of making them Activated carbon beads and methods of making them

C - Chemistry, Metallurgy

01

B

C01B 31/08 (2006.01) C08G 8/10 (2006.01)

Patent

CA 2642486

Activated carbon beads are disclosed made from resol beads prepared in high yield by reaction of a phenol with an aldehyde, with a base as catalyst, in the presence of a colloidal stabilizer, and optionally a surfactant. The resol beads are then optionally thermally treated, and afterward carbonized and activated to obtain the activated carbon beads.

L'invention concerne des billes de charbon actif fabriquées à partir de billes de résol préparées avec un rendement élevé par réaction d'un phénol avec un aldéhyde, avec une base en tant que catalyseur, en présence d'un stabilisant colloïdal et éventuellement d'un tensioactif. Les billes de résol sont ensuite éventuellement traitées thermiquement, puis carbonisées et activées pour obtenir les billes de charbon actif.

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