Characterizing Reaction Space in the Continuous-Flow Esterification of Oleic Acid Using a Sulfonated Hydrothermal Carbon Catalyst
Abstract
Continuous-flow catalytic esterification of free fatty acids (FFA) with methanol in the presence of sulfonated hydrothermal carbon (SHTC) as catalyst was studied. Using a Box-Behnken experimental design protocol, the effects of residence time, methanol:acid molar ratio, and water concentration on the conversion of oleic acid into methyl oleate were investigated. The optimum conditions for achieving esterification greater than 90 % at 100 °C were determined to be 11-minute residence time, a MeOH:FFA molar ratio >14.6 and up to 14.9 % water. The SHTC was used continuously for 4.5 days without a significant decrease in catalytic performance. The results confirmed that SHTC is an effective solid acid catalyst in a continuous flow system for the esterification of FFA.
- Publication Date:
- Research Org.:
- Argonne National Laboratory (ANL), Argonne, IL (United States). Center for Nanoscale Materials (CNM)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities (SUF)
- OSTI Identifier:
- 1981436
- Grant/Contract Number:
- AC02-06CH11357
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Chemistry Select
- Additional Journal Information:
- Journal Volume: 7; Journal Issue: 26; Journal ID: ISSN 2365-6549
- Publisher:
- Wiley
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; chemistry; continuous flow; biofuel; sulfonated hydrothermal carbon; esterification; solid acid catalysis
Citation Formats
Fraley, Norman, Wright, Marcus, and Lachgar, Abdessadek. Characterizing Reaction Space in the Continuous-Flow Esterification of Oleic Acid Using a Sulfonated Hydrothermal Carbon Catalyst. United States: N. p., 2022.
Web. doi:10.1002/slct.202200287.
Fraley, Norman, Wright, Marcus, & Lachgar, Abdessadek. Characterizing Reaction Space in the Continuous-Flow Esterification of Oleic Acid Using a Sulfonated Hydrothermal Carbon Catalyst. United States. https://doi.org/10.1002/slct.202200287
Fraley, Norman, Wright, Marcus, and Lachgar, Abdessadek. Fri .
"Characterizing Reaction Space in the Continuous-Flow Esterification of Oleic Acid Using a Sulfonated Hydrothermal Carbon Catalyst". United States. https://doi.org/10.1002/slct.202200287. https://www.osti.gov/servlets/purl/1981436.
@article{osti_1981436,
title = {Characterizing Reaction Space in the Continuous-Flow Esterification of Oleic Acid Using a Sulfonated Hydrothermal Carbon Catalyst},
author = {Fraley, Norman and Wright, Marcus and Lachgar, Abdessadek},
abstractNote = {Continuous-flow catalytic esterification of free fatty acids (FFA) with methanol in the presence of sulfonated hydrothermal carbon (SHTC) as catalyst was studied. Using a Box-Behnken experimental design protocol, the effects of residence time, methanol:acid molar ratio, and water concentration on the conversion of oleic acid into methyl oleate were investigated. The optimum conditions for achieving esterification greater than 90 % at 100 °C were determined to be 11-minute residence time, a MeOH:FFA molar ratio >14.6 and up to 14.9 % water. The SHTC was used continuously for 4.5 days without a significant decrease in catalytic performance. The results confirmed that SHTC is an effective solid acid catalyst in a continuous flow system for the esterification of FFA.},
doi = {10.1002/slct.202200287},
journal = {Chemistry Select},
number = 26,
volume = 7,
place = {United States},
year = {Fri Jul 08 00:00:00 EDT 2022},
month = {Fri Jul 08 00:00:00 EDT 2022}
}
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