Method for continuously recovering (meth)acrylic acid and apparatus for the method
US9718756B2 · kind B2 · utility
5Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 8, 2014 |
| Grant date | Aug 1, 2017 |
| Priority date | — |
| Expiry date | Jul 8, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/16
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This disclosure relates to a method of continuous recovery of (meth)acrylic acid and an apparatus used for the recovery method. The method of continuous recovery of (meth)acrylic acid according to the present invention may effectively remove scum formed in the continuous recovery process of (meth)acrylic acid, and simultaneously recover (meth)acrylic acid with excellent efficiency, thus enabling more stable operation of the continuous process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.