发明名称 |
Process for producing acetaldehyde dimethylacetal |
摘要 |
A process for producing acetaldehyde dimethylacetal comprising reacting acetaldehyde and methanol in the presence of an acid catalyst is disclosed, in which the reaction is carried out in a part of a rectification tower while conducting rectification to withdraw the water by-produced from the bottom of the tower and to recover a distillate containing the acetaldehyde dimethylacetal produced from the top of the tower. |
申请公布号 |
EP0786444(A1) |
申请公布日期 |
1997.07.30 |
申请号 |
EP19970105153 |
申请日期 |
1993.04.23 |
申请人 |
SHOWA DENKO KABUSHIKI KAISHA |
发明人 |
AIZAWA, TOSHIYUKI;NAKAMURA, HITOSHI;WAKABAYASHI, KUNITOSHI;KUDO, TETSUO;HASEGAWA, HIROYUKI |
分类号 |
B01D3/00;C07C29/82;C07C29/86;C07C41/56;C07C41/58 |
主分类号 |
B01D3/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|