Removing permanganate-reducing impurities from acetic acid
A method for removing permanganate-reducing impurities from an acetic acid product is disclosed. The method comprises contacting an acetic acid product containing permanganate-reducing impurities with peracetic acid and an oxygen-containing gas. The method is particularly suitable for post treatment of acetic acid that contains permanganate-reducing impurities such as crotonaldehyde.
Lyondell Chemical Technology, L.P.
C
C07C
inventional
Wei Shao-Hua
Wang Guo