Method and apparatus for continuously recovering (meth)acrylic acid
US11034642B2 · kind B2 · utility
0Cited by
14References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 28, 2019 |
| Grant date | Jun 15, 2021 |
| Priority date | — |
| Expiry date | Sep 23, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2257/80
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to a continuous recovery method of (meth)acrylic acid and an apparatus for use in the recovery method. A continuous recovery method of (meth)acrylic acid according to the present invention can ensure a high recovery rate of (meth)acrylic acid through an acetic acid separation process in addition to enabling the stable recovery of (meth)acrylic acid and the operation of continuous processes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.