发明授权
- 专利标题: Process for the purification of aldehydes
- 专利标题(中): 醛的纯化方法
-
申请号: US446775申请日: 1989-12-06
-
公开(公告)号: US4952291A公开(公告)日: 1990-08-28
- 发明人: Neville E. Drysdale , Frederick W. Mader , Rudolf E. Svadlenak
- 申请人: Neville E. Drysdale , Frederick W. Mader , Rudolf E. Svadlenak
- 申请人地址: DE Wilmington
- 专利权人: E. I. Du Pont de Nemours and Company
- 当前专利权人: E. I. Du Pont de Nemours and Company
- 当前专利权人地址: DE Wilmington
- 主分类号: B01J19/12
- IPC分类号: B01J19/12 ; C07C45/79 ; C07C45/85
摘要:
An aldehyde in a mixture containing hemiacetals and hydrates of the aldehyde is purified by treating the mixture with an effective amount of microwave radiation to decompose the hemiacetals and hydrates. Liberated water and/or alcohol is immediately removed with an adsorbent.
公开/授权文献
- US4478614A Electrostatic precipitator construction having spacers 公开/授权日:1984-10-23
信息查询