An environmentally friendly production of ester-biolubricant from oleic acid.
2022
Ramos Mellado, Francisco Javier | Haro, Juan Carlos de | Rodríguez Romero, Juan Francisco | Pérez Martínez, Ángel | Carmona Delgado, Manuel
The production of oleic-based trimethylolpropane (TMP) esters via the esterification reaction between oleic acid (OA) and TMP in a reactive distillation system, employing the environmentally friendly catalyst methanesulfonic acid, was explored. The homogeneous acid catalyst, the OA/TMP molar ratio within 1.0–3.0, the esterification reaction enhancement and a new purification technique, using choline hydroxide (ChOH), for obtaining choline carboxylate as a subproduct, were studied.
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