B - Operations – Transporting – 03 – D
Patent
B - Operations, Transporting
03
D
B03D 1/01 (2006.01) C08G 12/08 (2006.01) C08G 12/12 (2006.01)
Patent
CA 2692026
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, for example in the beneficiation of value materials (e.g., bitumen, coal, or kaolin clay) to remove impurities such as sand. 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 pour éliminer une grande variété d'espèces solides et/ou ioniques des liquides dans lesquels elles sont suspendues et/ou dissoutes. Ces résines sont particulièrement utiles en tant que dépresseurs de flottation par mousse, par exemple pour la valorisation de matériaux de valeur (par exemple le bitume, le charbon, ou l'argile kaolin) afin d'éliminer les impuretés telles que le sable. Les résines sont également utiles pour traiter des suspensions liquides aqueuses afin d'éliminer les particules solides, mais également pour éliminer les ions métalliques lors de la purification de l'eau.
Arthur Lisa M.
Cousin Michael
Gabrielson Kurt
Hines John B.
White Carl R.
Blake Cassels & Graydon Llp
Georgia-Pacific Chemicals Llc
LandOfFree
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