METHOD FOR THE CONVERSION OF METHYLMERCAPTOPROPIONALDEHYDE FORMED FROM CRUDE ACROLEIN AND CRUDE METHYL MERCAPTAN
申请人:Steffan Martin
公开号:US20130245318A1
公开(公告)日:2013-09-19
A reactive rectification column suitable for the production of 2-hydroxy-4-methylmercaptobutyric acid and/or methionine contains a weir having a height of 100 mm or more.