One-step synthesis of double metal cyanides

Details One-step synthesis of double metal cyanides One-step synthesis of double metal cyanides

B - Operations, Transporting

01

J

B01J 27/26 (2006.01) C08G 65/26 (2006.01) C08G 65/30 (2006.01)

Patent

CA 2417731

An improved method for synthesizing a double metal cyanide (DMC) catalyst is disclosed. The method combines an aqueous solution of a first metal salt, such as ZnCl2, with an aqueous solution of a second metal salt, such as CoCl2, and with an aqueous solution of an alkali metal cyanide, such as KCN, in a single step to synthesize the DMC catalyst, Zn3[Co(CN)6]2.

L'invention concerne un procédé amélioré de synthèse de catalyseur à cyanure métallique double. Le procédé consiste à combiner une solution aqueuse d'un premier sel métallique, tel que du ZnCl¿2?, et une solution aqueuse d'un second sel métallique, tel que CoCl¿2?, et à une solution aqueuse d'un cyanure de métal alcalin, tel que KCN, de manière directe afin de synthétiser le catalyseur à cyanure métallique double, tel que Zn¿3?[Co(CN)¿6?]¿2?.

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