C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 253/34 (2006.01) C07C 255/04 (2006.01) C07C 255/07 (2006.01)
Patent
CA 2553766
The invention relates to a method for separating hydrogen cyanide from mixtures containing pentenenitrile, by means of the azeotropic distillation of hydrogen cyanide with 1,3-butadiene.
L'invention concerne un procédé servant à séparer du cyanure d'hydrogène de mélanges contenant du pentènenitrile. Le procédé selon l'invention est caractérisé en ce que la séparation se fait par distillation azéotrope du cyanure d'hydrogène avec du 1,3-butadiène.
Bartsch Michael
Baumann Robert
Haderlein Gerd
Jungkamp Tim
Luyken Hermann
Basf Aktiengesellschaft
Robic
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