Version 1
: Received: 7 April 2024 / Approved: 8 April 2024 / Online: 8 April 2024 (11:17:45 CEST)
How to cite:
Machado, N. T.; Mota, S. A. P. D.; Leão, R. A. C.; Souza, R. O. M. A.; Duvoisin, Jr., S.; Borges, L. E. P.; Mota, A. A. D. A. M. D. Upgrading/Deacidification of Organic Liquid Phase by Liquid-Liquid Extraction Using Methanol/Water as Solvent. Preprints2024, 2024040531. https://doi.org/10.20944/preprints202404.0531.v1
Machado, N. T.; Mota, S. A. P. D.; Leão, R. A. C.; Souza, R. O. M. A.; Duvoisin, Jr., S.; Borges, L. E. P.; Mota, A. A. D. A. M. D. Upgrading/Deacidification of Organic Liquid Phase by Liquid-Liquid Extraction Using Methanol/Water as Solvent. Preprints 2024, 2024040531. https://doi.org/10.20944/preprints202404.0531.v1
Machado, N. T.; Mota, S. A. P. D.; Leão, R. A. C.; Souza, R. O. M. A.; Duvoisin, Jr., S.; Borges, L. E. P.; Mota, A. A. D. A. M. D. Upgrading/Deacidification of Organic Liquid Phase by Liquid-Liquid Extraction Using Methanol/Water as Solvent. Preprints2024, 2024040531. https://doi.org/10.20944/preprints202404.0531.v1
APA Style
Machado, N. T., Mota, S. A. P. D., Leão, R. A. C., Souza, R. O. M. A., Duvoisin, Jr., S., Borges, L. E. P., & Mota, A. A. D. A. M. D. (2024). Upgrading/Deacidification of Organic Liquid Phase by Liquid-Liquid Extraction Using Methanol/Water as Solvent. Preprints. https://doi.org/10.20944/preprints202404.0531.v1
Chicago/Turabian Style
Machado, N. T., Luiz Eduardo Pizarro Borges and and Andréia de Andrade Mâncio da Mota. 2024 "Upgrading/Deacidification of Organic Liquid Phase by Liquid-Liquid Extraction Using Methanol/Water as Solvent" Preprints. https://doi.org/10.20944/preprints202404.0531.v1
Abstract
The objective of this work was to investigate the deacidification of bio-oils (BOs) from triglyceride-based biomass through the application of liquid-liquid extraction (LLE) in a simple stage, using methanol and water as a binary solvent and feed/solvent ratio of 1/1. For this, the effects of process parameters such as the water content present in the solvent, the content of carboxylic acids present in the bio-oil, and the extraction temperature on the deacidification process through the efficiency and distribution coefficient were evaluated, as well as the effects of such parameters on the quality of deacidified bio-oils through physical-chemical analyzes and GC-MS analysis. The results show that such process parameters significantly affect the quality of deacidified bio-oils. The ideal condition to have the highest acid removal, i.e., the highest deacidification efficiency (72.65%), is the one in which the deacidification process is performed with aqueous methanol (5% water) at 35 °C and for BOs that have a total acid number (TAN) equal to 24.38 mg KOH/g. Therefore, the process of deacidification by LLE using aqueous methanol is a promising alternative for removing carboxylic acids and other oxygenated compounds, contributing significantly to the upgrading or improving biofuels produced by catalytic thermal cracking.
Copyright:
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.