| 发明名称 |
METHOD AND APPARATUS FOR PURIFYING ALCOHOL |
| 摘要 |
A method of purifying an alcohol, such as isopropyl alcohol, includes a first ion exchange step of performing ion exchange treatment on an alcohol-containing liquid; a step of performing dehydration treatment using a dehydration membrane on the liquid treated in the first ion exchange step; a distillation step of performing distillation on the dehydration-treated liquid; and a second ion exchange step of further performing ion exchange treatment on the liquid obtained in the distillation step to obtain a purified alcohol. |
| 申请公布号 |
US2014163264(A1) |
申请公布日期 |
2014.06.12 |
| 申请号 |
US201214232887 |
申请日期 |
2012.07.10 |
| 申请人 |
Takahashi Kazushige;Sugawara Hiroshi;Murayama Masami |
发明人 |
Takahashi Kazushige;Sugawara Hiroshi;Murayama Masami |
| 分类号 |
C07C29/80;B01D61/58 |
主分类号 |
C07C29/80 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An alcohol purification method comprising:
a first ion exchange step of performing ion exchange treatment on an alcohol-containing liquid; a step of performing dehydration treatment using a dehydration membrane on a liquid treated in said first ion exchange step; a distillation step of performing distillation on the dehydration-treated liquid; and a second ion exchange step of further performing ion exchange treatment on a liquid obtained in said distillation step to obtain a purified alcohol.
|
| 地址 |
Tokyo JP |
