Method for producing 1,1,1,3-tetrachloropropane and other haloalkanes with iron catalyst
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United States of America Patent
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Issued Date -
Nov 11, 2004
app pub date -
Aug 26, 2003
filing date -
May 5, 2003
priority date (Note) -
Abandoned
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Abstract
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.
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