C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 3/30 (2006.01)
Patent
CA 2740395
A solvent extraction composition and process for using the composition is provided. The composition contains up to 70% by weight of at least one orthohydroxyarylketoxime extractant and /or at least one orthohydroxyarylaldoximes extractant, salts and mixtures thereof; from about 0.1 to about 20 % by weight of at least one substantially water insoluble aromatic hydroxy containing antidegradation agents. The composition optionally contains an equilibrium modifier.
La présente invention a pour objet une composition dextraction à base de solvants et un procédé dutilisation de la composition. La composition contient jusquà 70 % en poids dau moins un agent dextraction dorthohydroxyarylcétoxime et/ou dau moins un agent dextraction dorthohydroxyarylaldoxime, de sels et de mélanges de ceux-ci ; denviron 0,1 à environ 20 % en poids dau moins un agent anti-dégradation contenant un hydroxyle aromatique essentiellement insoluble dans leau. La composition contient facultativement un modificateur déquilibre.
Bednarski Troy
Campbell John
Marin Gustavo
Owens Susan
Soderstrom Matthew
Cytec Technology Corp.
Smart & Biggar
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