Process for manufacturing acrolein or acrylic acid from glycerin
US8252960B2 · kind B2 · utility
7Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 14, 2009 |
| Grant date | Aug 28, 2012 |
| Priority date | — |
| Expiry date | Oct 19, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J27/188
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The subject of the present invention is a process for preparing acrolein by dehydration of glycerin, characterized in that the dehydration is carried out in the presence of a catalyst comprising mainly a compound in which protons in a heteropolyacid are exchanged at least partially with at least one cation selected from elements belonging to Group 1 to Group 16 of the Periodic Table of Elements. The process according to the invention permits to obtain acrolein at higher yield.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.