Amine-aldehyde resins and uses thereof in separation processes

Details Amine-aldehyde resins and uses thereof in separation processes Amine-aldehyde resins and uses thereof in separation processes

B - Operations, Transporting

03

D

B03D 1/02 (2006.01) B01D 21/01 (2006.01) B01D 37/02 (2006.01) B01D 37/03 (2006.01) B03B 1/04 (2006.01) B03D 1/01 (2006.01) B03D 1/016 (2006.01) B28C 1/08 (2006.01) C02F 1/56 (2006.01) C09C 1/42 (2006.01) C10G 1/04 (2006.01)

Patent

CA 2594243

Amine-aldehyde resins are disclosed for removing a wide variety of solids and/or ionic species from the liquids in which they are suspended and/or dissolved. These resins are especially useful as froth flotation depressants in the separation of bitumen from sand and/or clay or in the beneficiation of clay (e.g., kaolin clay) from an impure clay-containing ore. The resins are also useful for treating aqueous liquid suspensions to remove solid particulates, as well as for removing metallic ions in the purification of water.

L'invention concerne des résines amine-aldéhyde utilisées pour éliminer un grand nombre d'espèces solides et/ou ioniques en suspension et/ou dissoutes dans des liquides. Ces résines sont particulièrement utilisées comme dépresseurs de flottation par mousse dans la séparation de l'asphalte synthétique du sable et/ou de l'argile, ou encore dans la valorisation de l'argile (par exemple, le kaolinton) dans un minerai contenant de l'argile. Ces résines sont également utilisées pour traiter des suspensions liquides aqueuses pour les débarrasser des particules solides, ainsi que pour éliminer les ions métalliques lors de la purification de l'eau.

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