Process for the preparation of alkylene glycols
    4.
    发明授权
    Process for the preparation of alkylene glycols 失效
    制备亚苄基甘露糖的方法

    公开(公告)号:US3576890A

    公开(公告)日:1971-04-27

    申请号:US3576890D

    申请日:1968-12-23

    申请人: MONSANTO CO

    发明人: BINNING ROBERT C

    IPC分类号: C07C31/20 C07D1/08

    CPC分类号: C07C31/20

    摘要: CRUDE ALKYLENE OXIDES OBTAINED BY OXIDATION OF HYDROCARBONS AND CONTAINING ESTER MATERIAL AND MATERIAL BOILING INTERMEDIATE ALKYLENE OXIDE AND WATER IS INTRODUCED INTO A HYDROLYZER HAVING: AN UPPER HYDROLYSIS BARRIER REGION COMPRISING INTERMEDIATE BOILING MATERIAL; A MIDDLE HYDROLYZING REGION WHERE PART OF THE ALKYLENE OXIDE IS HYDROLYZED TO ALKYLENE GLYCOL; AND A LOWER GLYCOL CONCENTRATION REGION. THE GLYCOL IS RECOVERED SUBSTANTIALLY WATER FREE AND THE ALKYLENE OXIDE THAT IS NOT HYDROLYZED IS RECOVERED.