Method for producing 1,1,1,3-tetrachloropropane and other haloalkanes with iron catalyst
申请人:VULCAN CHEMICALS A BUSINESS GROUP OF VULCAN MATERIALS COMPANY
公开号:US20040225166A1
公开(公告)日:2004-11-11
A continuous process is provided for the manufacture of haloalkanes by the reaction of carbon tetrachloride with olefins in the presence of iron metal, trialkylphosphate, and ferric chloride. A fraction of the catalyst and co-catalyst are separated after the reaction and recycled. In a preferred application, the olefin is ethene, and the haloalkane product is 1,1,1,3-tetrachloropropane. Two distillation steps take place in order to enhance the production of 1,1,1,3-tetrachloropropane.
提供了一种连续的工艺,用于在铁金属、三烷基磷酸酯和氯化铁存在的情况下,通过四氯化碳与烯烃的反应来制备卤代烷。在反应后,催化剂和共催化剂的一部分被分离并回收。在一个首选的应用中,烯烃是乙烯,卤代烷产品是1,1,1,3-四氯丙烷。为了增强1,1,1,3-四氯丙烷的生产,进行了两个蒸馏步骤。