Selected acid and basic functionalized ordered mesoporous materials as solid catalysts for transesterification of canola oil: A comparative study. (1st October 2022)

• Record Type: Journal Article
• Authors: Jaroszewska, Karolina; Nowicki, Janusz; Nosal-Kovalenko, Hanna; Grzechowiak, Jolanta; Pstrowska, Katarzyna; Łużny, Rafał; Lewandowski, Marek; Kaczmarczyk, Jan; Witek-Krowiak, Anna; Moustakas, Konstantinos; Chojnacka, Katarzyna; Kułażyński, Marek
• Is Part Of: Fuel. Volume 325(2022)
• Publication Date: 2022-10-01
• Subjects: Functionalized silicas -- Basic catalysts -- Acidic catalysts -- SBA-15 -- MCF -- Transesterification -- Biodiesel; Fuel -- Periodicals; Coal -- Periodicals; Coal; Fuel; Periodicals; 662.6
• DOI: 10.1016/j.fuel.2022.124902
• Languages: English
• ISSNs: 0016-2361

Abstract

Graphical abstract: Highlights: Heterogeneous catalyst for Canola oil transesterification. Synthesis of basic and acidic-functionalized mesoporous silica. SBA-15 and MCF stand solid supports for immobilization of basic and acidic moieties. SBA-15-phenyl-SO3 H hybrid system is efficient catalyst for biodiesel production. Abstract: This study investigates the preparation and application of mesoporous silica-supported basic and acidic catalysts in transesterification. Mesoporous silicas of SBA-15 and MCF type were prepared and modified by post-synthesis with organic moieties (amine and sulfonic). The obtained supports and catalysts were characterized by N2 adsorption, IR spectroscopy, MAS NMR, SEM, and TEM techniques. The results show that several active groups attached to the SBA-15 and MCF silica channels do not lead to the collapsing of the characteristic open structure of the mesoporous sieves. The investigated catalysts exhibit high activity and selectivity in the transesterification of canola oil. The SBA-15-phenyl-SO3 H one shows the highest conversion (84.6%) after 6 h (at 150 °C), which is comparable to the activity of H2 SO4 . The selectivity towards fatty acid methyl esters was noted at the level of 60.6% (after 6 h of reaction).