Acidic properties of propyl sulfonic acid functionalized SBA-15 catalysts for acetylation of glycerol
Panida Sriratchatchawan, Srisin Eaimsumang, Siwaporn Meejoo Smith, Supakorn Boonyuen, Chawalit Ngamcharussrivichai, Apanee Luengnaruemitchai · 2024
Read Acidic properties of propyl sulfonic acid functionalized SBA-15 catalysts for acetylation of glycerol by Panida Sriratchatchawan, Srisin Eaimsumang, Siwaporn Meejoo Smith, Supakorn Boonyuen, Chawalit Ngamcharussrivichai, Apanee Luengnaruemitchai (2024) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-11699108.txt.
Description
Panida Sriratchatchawan and five co-authors build solid acid catalysts to turn waste glycerol into prized triacetin. Glycerol floods out of biodiesel production, and reacting it with acetic acid upgrades it. Their materials are SBA-15, a sponge-like silica, decorated with propyl sulfonic acid groups built in during synthesis rather than added afterward.
A series of versions with different acid loadings was tested, with the recipe tuned by response surface methods. The version carrying twenty percent of the acid-bearing ingredient held the most acid sites of the strong kind. It converted glycerol completely, with about thirty percent selectivity to triacetin, the most valuable product. It kept its conversion across three reuse cycles without a real drop. The authors present the direct-synthesis version as the pick of the series.
Catalog record
| CREATOR | Panida Sriratchatchawan, Srisin Eaimsumang, Siwaporn Meejoo Smith, Supakorn Boonyuen, Chawalit Ngamcharussrivichai, Apanee Luengnaruemitchai |
|---|---|
| YEAR | 2024 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 51 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |