Method and apparatus for purifying alcohol
    40.
    发明专利
    Method and apparatus for purifying alcohol 有权
    用于净化酒精的方法和装置

    公开(公告)号:JP2013023439A

    公开(公告)日:2013-02-04

    申请号:JP2011156322

    申请日:2011-07-15

    IPC分类号: C07C29/76 C07C29/80 C07C31/10

    摘要: PROBLEM TO BE SOLVED: To purify alcohol such as isopropyl alcohol so as to have high purity.SOLUTION: This alcohol purification apparatus for obtaining purified alcohol from alcohol-containing liquid is provided with: a first ion exchange means 23 for performing ion exchange processing to the alcohol-containing liquid; a dehydration film 24 for dehydrating the liquid treated by the first ion exchange means 23 by pervaporation or vapor permeation; a distillation means 25 for distilling the liquid dehydrated by the dehydration film 24; and a second ion exchange means 26 for performing further ion exchange processing to the liquid obtained by the distillation means 25, to thereby obtain purified alcohol.

    摘要翻译: 要解决的问题:纯化醇如异丙醇以具有高纯度。 解决方案:用于从含醇液体中获得纯化醇的该醇精制装置设置有:对含酒精液体进行离子交换处理的第一离子交换装置23; 用于使由第一离子交换装置23处理的液体通过全蒸发或蒸汽渗透脱水的脱水膜24; 用于蒸馏由脱水膜24脱水的液体的蒸馏装置25; 以及第二离子交换装置26,用于对由蒸馏装置25获得的液体进行进一步的离子交换处理,从而获得纯化的醇。 版权所有(C)2013,JPO&INPIT