Cationic adsorption agent

C - Chemistry – Metallurgy – 08 – G

Patent

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362/39, 402/71

C08G 12/40 (2006.01) B01J 20/22 (2006.01) C02F 1/28 (2006.01) C02F 1/42 (2006.01) C08G 12/02 (2006.01)

Patent

CA 1191992

Abstract A cationic adsorption agent which is obtained by reaction of (a) an amino compound which contains at least one amino group and at least one free or methylolated carbamide or thiocarbamide group, or a salt thereof, with (b) an aminoplast precondensate which does not contain amino groups. The novel adsorption agent is suitable in particular for removing anionic substances, such as acid dyes or reactive dyes, from aqueous solutions, especially from wastewaters.

388763

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