Catalyst recovery in the carbonylation of chlorobutenes to...

Details Catalyst recovery in the carbonylation of chlorobutenes to... Catalyst recovery in the carbonylation of chlorobutenes to...

C - Chemistry, Metallurgy

07

C

C07C 57/66 (2006.01) B01J 31/40 (2006.01) C07C 51/58 (2006.01) C07C 51/64 (2006.01)

Patent

CA 2188553

Palladium catalyst residue is recovered from still heels by treating the still heels with hydrochloric acid, converting the palladium component to crotyl palladium chloride, and using the crotyl palladium chloride as catalyst in the carbonylation of chlorobutene to 3- pentenoyl chloride.

On récupère les restes de catalyseur au palladium dans les résidus de distillation en traitant ces derniers avec de l'acide chlorhydrique, en convertissant le constituant palladium en chlorure de palladium crotylique, et en utilisant ce chlorure de palladium crotylique comme catalyseur dans la carbonylation de chlorobutène en chlorure de 3-penténoyle.

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