Hydrophobically modified polyamine scale inhibitors

Details Hydrophobically modified polyamine scale inhibitors Hydrophobically modified polyamine scale inhibitors

C - Chemistry, Metallurgy

08

G

C08G 73/02 (2006.01) C02F 5/12 (2006.01) C08L 79/02 (2006.01) C23F 14/02 (2006.01)

Patent

CA 2666389

Hydrophobically modified Si-containing polyamines are useful for treating scale in industrial process streams. Preferred hydrophobically modified Si-containing polyamines are particularly useful for treating aluminosilicate scale in difficult-to-treat industrial process streams, such as in the Bayer alumina process streams, nuclear waste streams and kraft paper mill effluent streams.

L'invention concerne des polyamines contenant du silicium à modification hydrophobe qui sont utiles pour traiter la calamine dans des courants de procédés industriels. Les polyamines contenant du silicium à modification hydrophobe préférées sont particulièrement utiles pour traiter les dépôts d'aluminosilicate dans les courants de procédés industriels difficiles à traiter, tels que les courants du procédé Bayer pour l'alumine, les courants de déchets nucléaires et les courants d'effluents des usines de papier kraft.

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