Process for manufacturing spherical activated carbon

Details Process for manufacturing spherical activated carbon Process for manufacturing spherical activated carbon

C - Chemistry, Metallurgy

01

B

C01B 31/10 (2006.01) A61K 33/44 (2006.01) A61P 1/16 (2006.01) A61P 13/12 (2006.01) B01J 20/20 (2006.01)

Patent

CA 2562144

Disclosed is a method for producing a spherical activated carbon which is characterized by comprising (1) a step for forming a spherical body composed of a thermally fusible resin; (2) a step for forming a thermally infusible spherical body by oxidizing the thermally fusible resin spherical body; and (3) a step for forming a spherical activated carbon by activating the thermally infusible spherical body. With this method, there can be easily obtained a spherical activated carbon having desired physical properties (such as average particle size, particle size distribution, pore volume or specific surface area).

Il est présenté une méthode de production de charbon actif sphérique qui est caractérisée par le fait qu'elle comprend (1) une phase de formation d'un corps sphérique composé d'une résine thermofusible; (2) une phase de formation d'un corps sphérique non fusible thermiquement en oxydant le corps sphérique en résine thermofusible; et (3) une phase de formation d'un charbon actif sphérique en activant le corps sphérique non fusible thermiquement. Avec cette méthode, on peut obtenir facilement un charbon actif sphérique ayant les propriétés physiques désirées (telles que taille moyenne des particules, répartition de la taille des particules, volume de pore ou surface spécifique).

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