Influence of temperature and time of reaction on the hydroisomerization of renewable diesel
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Published:
Jul 7, 2016
Keywords:
biofuels, biojet, renewable diesel, hydroisomerization
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Abstract
The production of biofuels from vegetable oils and/or animal fats has experienced great growth in the last two decades. The procurement of biofuels with properties similar to fossil fuels, is a challenge due to the technical requirements in quality especially in the properties of fluidity in the cold. The hydroisomerization of n-paraffinic compounds is the most viable way to meet this objective. In this study a real load of renewable diesel obtained via the coprocessing of an ordinary fossil (DMO) with vegetable oils was used. The catalytic tests were carried out in an autoclave with mixing, using a commercial hydrocracking catalyst. The reaction was evaluated at 5.5 MPa, at a temperature range from 320°C to 350°C, and a time range from 2 to 5 h. The results show the procurement of a product with an improved fluidity point until 0°C, this being the best result. Furthermore the performance of both cuts bionafta and biojet increase in the established operating conditions (2 h of reaction, 320ºC, 5,5 MPa), an appreciable reduction in liquid performance of products for reaction times greater than 2 h and temperatures above 320°C was also observed.
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Olarte Suàrez, G. A., Sonia Giraldo-Duarte, S., & Liliana-Garzón, L. (2016). Influence of temperature and time of reaction on the hydroisomerization of renewable diesel. Ingenio Magno, 6(2), 114-123. Retrieved from http://revistas.ustatunja.edu.co/index.php/ingeniomagno/article/view/1099
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Artículos Vol. 6-2
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References
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Rezgui, Y. y Guemini, M. (2008). Effect of pretreatment conditions on the catalytic performance of Ni–Pt–W supported on amorphous silica–alumina catalysts: Part 1. Catalysts prepared by a sol–gel method. Applied Catalysis A: General, 335(1), 103-111. Doi: http://dx.doi. org/10.1016/j.apcata.2007.11.020
Rizo-Acosta, P., Linares-Vallejo, M. T. y Muñoz-Arroyo, J. A. (2014). Co-hydroprocessing of a mixture: Vegetable oil/n-hexadecane/4,6-dimethyldibenzothiophene for the production of sustainable hydrocarbons. A kinetic modeling. Catalysis Today, 234, 192-199. Doi: http:// dx.doi.org/10.1016/j.cattod.2014.03.008
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Verma, D., Rana, B. S., Kumar, R., Sibi, M. G. y Sinha, A. K. (2015). Diesel and aviation kerosene with desired aromatics from hydroprocessing of jatropha oil over hydrogenation catalysts supported on hierarchical mesoporous SAPO-11. Applied Catalysis A: General, 490, 108-116. Doi: http://dx.doi.org/10.1016/j. apcata.2014.11.007
Casas, O. y Olarte, G. (2013). Influencia de la temperatura, presión y LHSV en la obtención de biojet a partir de diésel renovable. Revista de investigaciones Universidad del Quindio, 24, 175-177.
Chao, K.-J., Lin, C.-C., Lin, C.-H., Wu, H.-C., Tseng, C.-W. y Chen, S.-H. (2000). n-Heptane hydroconversion on platinum-loaded mordenite and beta zeolites: the effect of reaction pressure. Applied Catalysis A: General, 203(2), 211-220. Doi: http://dx.doi.org/10.1016/S0926860X(00)00494-4
Chen, Z., Xu, J., Fan, Y., Shi, G. y Bao, X. (2015). Reaction mechanism and kinetic modeling of hydroisomerization and hydroaromatization of fluid catalytic cracking naphtha. Fuel Processing Technology, 130, 117-126. Doi: http://dx.doi.org/10.1016/j.fuproc.2014.09.037
Deldari, H. (2005). Suitable catalysts for hydroisomerization of long-chain normal paraffins. Applied Catalysis A: General, 293, 1-10. Doi: http:// dx.doi.org/10.1016/j.apcata.2005.07.008
Galadima, A. y Muraza, O. (2015). Catalytic upgrading of vegetable oils into jet fuels range hydrocarbons using heterogeneous catalysts: A review. Journal of Industrial and Engineering Chemistry, 29, 12-23. Doi: http://dx.doi. org/10.1016/j.jiec.2015.03.030
García-Gutiérrez, J. L., Cano, J. L., Alemán-Vázquez, L. O. y Jiménez-Cruz, F. (2012). Study of selectivity of MoO3catalyzed C6–C7 hydrocarbons hydroisomerization: Mechanistic insights into the formation of carbonaceous deposits on the catalyst surface. Fuel, 94, 532-543. Doi: http://dx.doi.org/10.1016/j.fuel.2011.11.032
Geng, C.-H., Zhang, F., Gao, Z.-X., Zhao, L.-F. y Zhou, J.-L. (2004). Hydroisomerization of n-tetradecane over Pt/SAPO-11 catalyst. Catalysis Today, 93-95, 485-491. Doi: http://dx.doi.org/10.1016/j.cattod.2004.06.104
Guisnet, M., Alvarez, F., Giannetto, G. y Perot, G. (1987). Hydroisomerization and hydrocracking of n-heptane on Pth zeolites. Effect of the porosity and of the distribution of metallic and acid sites. Catalysis Today, 1(4), 415-433. Doi: http://dx.doi.org/10.1016/0920-5861(87)80007-X
Krár, M., Kasza, T., Kovács, S., Kalló, D. y Hancsók, J. (2011). Bio gas oils with improved low temperature properties. Fuel Processing Technology, 92(5), 886892. Doi: http://dx.doi.org/10.1016/j.fuproc.2010.12.007
Liu, S., Zhu, Q., Guan, Q., He, L. y Li, W. (2015). Bioaviation fuel production from hydroprocessing castor oil promoted by the nickel-based bifunctional catalysts. Bioresource Technology, 183, 93-100. Doi: http://dx.doi. org/10.1016/j.biortech.2015.02.056
López, C. M., Sazo, V., Pérez, P., y García, L. V. (2010). n-Pentane hydroisomerization on Pt-promoted acid zeolites. Applied Catalysis A: General, 372(1), 108-113. Doi: http://dx.doi.org/10.1016/j.apcata.2009.10.026
Ministerio de Ambiente, Vivienda y Desarrollo Territorial y Ministerior de Minas y Energía (2007). Resolución Conjunta 182087 de 2007, por la cual se modifican los criterios de calidad de los biocombustibles para su uso en motores diésel como componente de la mezcla con el combustible diésel de origen fósil en procesos de combustión. Recuperado de http://www.alcaldiabogota. gov.co/sisjur/normas/Norma1.jsp?i=28296#
Núñez, I. M. L., Maecha, B. C. A. y Delgado, G. H. (2011). Process for the hydrotreatment of heavy petroleum fractions mixed with vegetable oil: Google Patents.
Pérez Martínez, David; Lozano, Albany M.; Arias, Carlos J.; Porras, Vladimir C.; Olarte, Giovanny A.; Giraldo, Sonia A.; Centeno, Aristóbulo. (2009). COMPORTAMIENTO DEL CATALIZADOR CoMo/y-Al2O3 MODIFICADO CON BORO Y POTASIO EN LAS REACCIONES SIMULTÁNEAS DE HIDROGENACIÓN DE OLEFINAS E HIDRODESULFURACIÓN DE 2-METILTIOFENO. 2009,37(2), 13
Rezgui, Y. y Guemini, M. (2005). Effect of acidity and metal content on the activity and product selectivity for n-decane hydroisomerization and hydrocracking over nickel–tungsten supported on silica–alumina catalysts. Applied Catalysis A: General, -282(12), 45-53. Doi: http:// dx.doi.org/10.1016/j.apcata.2004.11.044
Rezgui, Y. y Guemini, M. (2008). Effect of pretreatment conditions on the catalytic performance of Ni–Pt–W supported on amorphous silica–alumina catalysts: Part 1. Catalysts prepared by a sol–gel method. Applied Catalysis A: General, 335(1), 103-111. Doi: http://dx.doi. org/10.1016/j.apcata.2007.11.020
Rizo-Acosta, P., Linares-Vallejo, M. T. y Muñoz-Arroyo, J. A. (2014). Co-hydroprocessing of a mixture: Vegetable oil/n-hexadecane/4,6-dimethyldibenzothiophene for the production of sustainable hydrocarbons. A kinetic modeling. Catalysis Today, 234, 192-199. Doi: http:// dx.doi.org/10.1016/j.cattod.2014.03.008
Thybaut, J. W., Laxmi Narasimhan, C. S., Denayer, J. F., Baron, G. V., Jacobs, P. A., Martens, J. A. y Marin, G. B. (2005). Acid−Metal Balance of a Hydrocracking Catalyst: Ideal versus Nonideal Behavior. Industrial y Engineering Chemistry Research, 44(14), 5159-5169. Doi: 10.1021/ie049375+
Tian, S. y Chen, J. (2014). Hydroisomerization of n-dodecane on a new kind of bifunctional catalyst: Nickel phosphide supported on SAPO-11 molecular sieve. Fuel Processing Technology, 122, 120-128. Doi: http://dx.doi. org/10.1016/j.fuproc.2014.01.031
Verma, D., Rana, B. S., Kumar, R., Sibi, M. G. y Sinha, A. K. (2015). Diesel and aviation kerosene with desired aromatics from hydroprocessing of jatropha oil over hydrogenation catalysts supported on hierarchical mesoporous SAPO-11. Applied Catalysis A: General, 490, 108-116. Doi: http://dx.doi.org/10.1016/j. apcata.2014.11.007