申请人:KABUSHIKI KAISHA TOSHIBA
公开号:US20140296576A1
公开(公告)日:2014-10-02
A method for isolating an amino alcohol simply from an amino alcohol aqueous solution containing a heterocyclic amine compound is provided. The method is a method for isolating a tertiary amino alcohol from a tertiary amino alcohol aqueous solution containing a heterocyclic amine compound, and has generating an imine and/or enamine by adding an aldehyde and/or ketone to the tertiary amino alcohol aqueous solution, isolating the imine and/or enamine from the tertiary amino alcohol aqueous solution, and isolating the tertiary amino alcohol from a residual liquid obtained by isolating the imine and/or enamine.