B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
252/31, 362/39
B01J 20/26 (2006.01) B01J 20/22 (2006.01) B01J 39/18 (2006.01) C02F 1/28 (2006.01)
Patent
CA 1158222
Abstract of the Disclosure An anionic adsorbent which has been prepared by reacting (a) a monomeric compound which contains at least one anionic group and at least one amide group, especially a carboxamide group, which can be methylolated, with (b) an aminoplast precondensate which is free from salt-form- ing anionic groups. The novel adsorbent is particularly suitable for re- moving cationic substances, such as cationic dyes, and a heavy metal ions from aqueous solutions, especially from effluents.
379627
Merz Jurg
Wegmuller Hans
Wurster Rudolf F.
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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