Separation of Free Glycerol and Glycerides from Biodiesel by Means of Liquid-Liquid Extraction
Science Journal of Energy Engineering
Volume 5, Issue 4, August 2017, Pages: 87-94
Received: Jul. 2, 2017; Accepted: Aug. 2, 2017; Published: Oct. 31, 2017
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Authors
Ana Petracic, Department of Mechanical and Thermal Process Engineering, Faculty of Chemical Engineering and Technology, University of Zagreb, Zagreb, Croatia
Aleksandra Sander, Department of Mechanical and Thermal Process Engineering, Faculty of Chemical Engineering and Technology, University of Zagreb, Zagreb, Croatia
Lana Magic, INA-Industrija Nafte, d.d., Zagreb, Croatia
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Abstract
This paper investigates glycerol and glycerides extraction process from fresh and waste sunflower oil biodiesel. Deep eutectic solvent choline-chloride: ethylene-glycol (molar ratio 1:2.5) was used as extraction media in both batch experiments and continuous Karr column. Biodiesel was synthesized in an alkali catalysed chemical transesterification reaction. Three process variables, namely hydrodynamic conditions, solvent to biodiesel ratio and extraction duration were investigated and their impact on the extraction efficiency was found to be largely negligible. Throughout the whole range of process variables the extraction efficiency was relatively high, getting slightly lower only during the continuous experiments. After the extraction, free glycerol content was below the limit for all samples, but the total glycerol and glycerides content was too high to fully comply with biodiesel quality standards. Selected extraction solvent has proved to be efficient for free glycerol removal in the tested range of conditions, but further process modifications and possible raw material and biodiesel processing will be needed to reduce the content of total glycerol and glycerides.
Keywords
Biodiesel, Deep Eutectic Solvents, Glycerol, Liquid-Liquid Extraction
To cite this article
Ana Petracic, Aleksandra Sander, Lana Magic, Separation of Free Glycerol and Glycerides from Biodiesel by Means of Liquid-Liquid Extraction, Science Journal of Energy Engineering. Vol. 5, No. 4, 2017, pp. 87-94. doi: 10.11648/j.sjee.20170504.12
Copyright
Copyright © 2017 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
References
[1]
Banković-Ilić I. B., Stojković I. J., Stamenković O. S., Veljković V. B., Hung, Y.-T., Waste animal fats as feedstocks for biodiesel production, Renew. Sust. Energ. Rev. 32 (2014) 238.
[2]
Guru M., Koca A., Can O., Çınar C., Sahin F., Biodiesel production from waste chicken fat based sources and evaluation with Mg based additive in a diesel engine, Renew. Energ. 35 (2010) 637.
[3]
Dufour J., Iribarren D., Life cycle assessment of biodiesel production from free fatty acid-rich wastes, Renew. Energ. 38 (2012) 155.
[4]
Chakraborty R., Gupta A. K., Chowdhury R., Conversion of slaughterhouse and poultry farm animal fats and wastes to biodiesel: Parametric sensitivity and fuel quality assessment, Renew. Sust. Energ. Rev. 29 (2014) 120.
[5]
Atadashi I. M., Aroua M. K., Abdul Aziz A. R., Sulaiman N. M. N., The effects of catalysts in biodiesel production: A review, J. Ind. Eng. Chem. 19 (2013) 14.
[6]
Soltani S., Rashid U., Yunus R., Taufiq-Yap Y. H., Synthesis of Biodiesel through Catalytic Transesterification of Various Feedstocks using Fast Solvothermal Technology: A Critical Review, Catal. Rev. 57 (2015) 407.
[7]
Santacesaria E., Martinez Vicente G., Di Serio M., Tesser R., Main technologies in biodiesel production: State of the art and future challenges, Catal. Today 195 (2012) 2.
[8]
Komers, K., Stloukal, R., Machek, J., Skopal, F., Biodiesel from rapeseed oil, methanol and KOH. 3. Analysis of composition of actual reaction mixture, Eur. J. Lipid Sci. Tech. 103 (2001) 363.
[9]
Candeia, R. A., Silva, M. C. D., Carvalho Filho, J. R., Brasilino, M. G. A., Bicudo, T. C., Santos, I. M. G., Souza, A. G., Influence of soybean biodiesel content on basic properties of biodiesel–diesel blends, Fuel 88 (2009) 738.
[10]
Benjumea, P., Agudelo, J., Agudelo, A., Basic properties of palm oil biodiesel–diesel blends, Fuel 87 (2008) 2069.
[11]
Naureen, R., Tariq, M., Yusoff, I., Chowdhury, A. J. K., Ashraf, M. A., Synthesis, spectroscopic and chromatographic studies of sunflower oil biodiesel using optimized base catalyzed methanolysis, Saudi J. Biol. Sci. 22 (2015) 332.
[12]
Saba, T., Estephane, J., El Khoury, B., El Khoury, M., Khazma, M., El Zakhem, H., Aouad, S., Biodiesel production from refined sunflower vegetable oil over KOH/ZSM5 catalysts, Renew. Energ. 90 (2016) 301.
[13]
Vahid, B. R., Haghighi, M., Biodiesel production from sunflower oil over MgO/MgAl2O4 nanocatalyst: Effect of fuel type on catalyst nanostructure and performance, Energ. Convers. Manage. 134 (2017) 290.
[14]
Vahid, B. R., Haghighi, M., Urea-nitrate combustion synthesis of MgO/MgAl2O4 nanocatalyst used in biodiesel production from sunflower oil: Influence of fuel ratio on catalytic properties and performance, Energ. Convers. Manage. 126 (2016) 362.
[15]
Reyero, I., Arzamendi, G., Zabala, S., Gandía, L. M., Kinetics of the NaOH-catalyzed transesterification of sunflower oil with ethanol to produce biodiesel, Fuel Process. Technol. 129 (2015) 147.
[16]
Santana, H. S., Tortola, D. S., Reis, É. M., Silva, J. L., Taranto, O. P., Transesterification reaction of sunflower oil and ethanol for biodiesel synthesis in microchannel reactor: Experimental and simulation studies, Chem. Eng. J. 302 (2016) 752.
[17]
Encinar, J. M., Gonzalez, J. F., Rodríguez-Reinares, A., Biodiesel from used frying oil. Variables affecting the yields and characteristics of the biodiesel, Ind. Eng. Chem. Res. 44 (2005) 5491.
[18]
Vicente, G., Martınez, M., Aracil, J., Integrated biodiesel production: a comparison of different homogeneous catalysts systems, Bioresource Technol. 92 (2004) 297.
[19]
Stojković I. J., Stamenković O. S., Povrenović D. S., Veljković V. B., Purification technologies for crude biodiesel obtained by alkali-catalyzed transesterification, Renew. Sust. Energ. Rev. 32 (2014) 1.
[20]
Shahbaz K., Mjalli F. S., Hashim M. A., Al-Nashef I. M., Using Deep Eutectic Solvents for the Removal of Glycerol from Palm Oil- Based Biodiesel, J. Appl. Sci. 10 (2010) 3349.
[21]
Huang W., Tang S., Zhao H., Tian S., Activation of Commercial CaO for Biodiesel Production from Rapeseed Oil Using a Novel Deep Eutectic Solvent, Ind. Eng. Chem. Res. 52 (2013) 11943.
[22]
Tang B., Zhang H., Row K. H., Application of deep eutectic solvents in the extraction and separation of target compounds from various samples, J. Sep. Sci. 38 (2015) 1053.
[23]
Abbott A. P., Harris R. C., Ryder K. S., D'Agostino C., Gladden L. F., Mantle M. D., Glycerol eutectics as sustainable solvent systems, Green Chem. 13 (2011) 82.
[24]
Verevkin S. P., Sazonova A. Y., Frolkova A. K., Zaitsau D. H., Prikhodko I. V., Held C., Separation Performance of Bio Renewable Deep Eutectic Solvents, Ind. Eng. Chem. Res. 54 (2015) 3498.
[25]
Tang S., Baker G. A., Zhao H., Ether- and alcohol-functionalized task-specific ionic liquids: attractive properties and applications, Chem. Soc. Rev. 41 (2012) 4030.
[26]
Ho, K. C., Shahbaz, K., Rashmi, W., Mjalli, F. S., Hashim, M. A., Al-Nashef, I. M., Removal of glycerol from palm oil-based biodiesel using new ionic liquids analogues, J. Eng. Sci. Technol, 10 (2015) 98.
[27]
Guru M., Dogan Artukog B., Keskin A., Koca A., Biodiesel production from waste animal fat and improvement of its characteristics by synthesized nickel and magnesium additive, Energ. Convers. Manage. 50 (2009) 498.
[28]
Samios D., Pedrotti F., Nicolau A., Reiznautt Q. B., Martini D. D., Dalcin F. M., A Transesterification Double Step Process — TDSP for biodiesel preparation from fatty acids triglycerides, Fuel Process. Technol. 90 (2009) 599.
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