Sorbent comprising spherical particles of activated carbon...

Details Sorbent comprising spherical particles of activated carbon... Sorbent comprising spherical particles of activated carbon...

B - Operations, Transporting

01

J

252/24

B01J 20/32 (2006.01) B01J 20/06 (2006.01) B01J 20/20 (2006.01)

Patent

CA 1209978

ABSTRACT OF THE DISCLOSURE Disclosed herein are a sorbent comprising spherical particles of activated carbon formed from a pitch and/or a synthetic, organic high polymer, containing a non-crystalline compound of zirconium in an amount of 1 to 10% by weight (calculated as ZrO2) and a process for preparing the sorbent comprising the steps of impregnating spherical particles of activated carbon with an aqueous solution of a water-soluble compound of zirconium, there- after treating the thus impregnated spherical particles of activated carbon with an alkali and heat treating the alkali-treated spherical particles of activated carbon at a temperature of 400 to 1000°C.

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