Patent ID: 8420838

Claim:
A system for the working-up of vitamin E acetate comprising, a first purification stage which comprises a first rectification column to which a product stream is fed, wherein the first rectification column includes a top take-off for taking off low-boiling products and unspecified isomers of vitamin E acetate, and a side and/or bottom take-off for taking off a stream containing vitamin E acetate in purified form, and a second purification stage which comprises a second rectification column to which the stream containing the vitamin E acetate in purified form taken off the side and/or bottom take-off of the first rectification column is fed, wherein the second purification stage includes bottom and top take-offs for removing from the second rectification column one vitamin E acetate stream with a purity of >97% by weight and a further vitamin E acetate stream with a purity of >92% by weight, respectively.