An improved process for preparing anhydrous hcn

Details An improved process for preparing anhydrous hcn An improved process for preparing anhydrous hcn

C - Chemistry, Metallurgy

01

C

C01C 3/02 (2006.01)

Patent

CA 2255709

This invention relates to a batch or continuous process for the preparation of anhydrous HCN comprising reacting alkali metal or alkaline-earth metal salts of cyanide with mineral acids in a reactor followed by transfer to a fractionating column and results in low polymer formation and high product yield.

La présente invention concerne un procédé de préparation par lots ou en continu de HCN anhydre. Ce procédé consiste à faire réagir dans un réacteur un métal alcalin ou des sels de métaux alcalino-terreux de cyanure avec des acides minéraux, cette réaction étant suivie d'un transfert vers une colonne de fractionnement. Il en résulte une faible formation de polymères pour une production élevée de produit.

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