Kinetics and Mass Transfer Study of Oleic Acid Esterification over Prepared Nanoporous HY zeolite


  • Ammar S. Abbas Chemical Engineering Department, College of Engineering, University of Baghdad, Baghdad, Iraq
  • Talib M. Albayati Chemical Engineering Department, University of Technology, Baghdad, Iraq
  • Ziad T. Alismaeel Department of Biochemical Engineering, Al-Khwarizmi College of Engineering, University of Baghdad, Iraq
  • Aidan M. Doyle Division of Chemistry and Environmental Science, Manchester Metropolitan University, UK



Biodiesel, Microkinetics, Nanoporous, HY zeolite, Mass transfer, Oleic acid, Heterogeneous Catalyst, Thiele modulus


A mathematical model was proposed to study the microkinetics of esterification reaction of oleic acid with ethanol over prepared HY zeolite catalyst. The catalyst was prepared from Iraqi kaolin source and its properties were characterized by different techniques. The esterification was done under different temperature (40 to 70˚C) with 6:1 for molar ratio of ethanol to oleic acid and 5 % catalyst loading.

   The microkinetics study was done over two period of time each period was examined individually to calculate the reaction rate constant and activation energy. The impact of the mass transfer resistance to the reactant was also investigated; two different studies have been accomplished to do this purpose.

   The effect of the external mass transfer resistance was studied by exploring different stirring speed (400 to 800 rpm). The results show that, the oleic acid conversion increase with increasing the stirring speed until reached 600 rpm, after this rpm the conversion doesn’t increase significantly, which mean that, the effect of external mass transfer resistance was eliminated. The activation energy for the first period is equal to 41.84 kJ/mol while in the second period is equal to 52.03 kJ/mol. The Thiele modulus calculation results show that there is no effect of mass transfer on the reaction inside the catalyst pores.


Kafuku G, Mbarawa M., “Biodiesel production from Croton megalocarpus oil and its process optimization”, Fuel; 89: 2556–60, 2010

Janaun J, Ellis N., “Perspectives on biodiesel as a sustainable fuel”, Renew Sustain Energy Rev., Vol. 14, No.4, pp.1312–1320, 2010.

Cherng-Yuan L, Jung-Chi L., “Oxidative stability produced from the crude fish oil from the waste parts of marine fish”, J. Food Agri. Environ. 8(2):992-995, 2010.

Abbas A. S. and Othman T. S., “Production and Evaluation of Biodiesel from Sheep Fats Waste”, Iraqi Journal of Chemical and Petroleum Engineering , vol. 13, no. 1, pp. 11–18, 2012.

Kapilan N,, Ashok B., Reddy R., “Technical Aspects of Biodiesel and its xidation Stability”, Int. J. Chem. Tech. Res.1(2):278-282, 2009.

Kouzu, M., Hidaka, J.S., “Transesterification of vegetable oil into biodiesel catalyzed by CaO: a review”, Fuel 93, 1–12, 2012.

Demirbas, A.and Karslioglu, S., “Biodiesel production facilities from vegetable oils and animal fats”, Energy Sources Part A 29, 133–141, 2007.

Sharma, Y.C., Singh, B., Upadhyay, S.N., “Advancements in development and characterization of biodiesel: a review”, Fuel 87, 2355-2373, 2008.

Fukuda, H., Kondo, A., Noda, H., “Biodiesel fuel production by transesterification of oils”, J. Biosci. Bioeng. 92, 405–416, 2001.

Abbas, A. S. and Abbas, S. M., “Kinetic Study and Simulation of Oleic Acid Esterification in Different Types of Reactors”, Iraqi Journal of Chemical and Petroleum Engineering, vol. 14, no. 2, pp. 13–20, 2013.

Abbas, A. S. and Abbas, R. N., “Kinetic Study and Simulation of Oleic Acid Esterification over Prepared NaY Zeolite Catalyst,”, Iraqi Journal of Chemical and Petroleum Engineering, vol. 14, no. 4, pp. 35–43, 2013.

Abbas, A. S. and Abbas, R. N., “Preparation and Characterization of Nay Zeolite for Biodiesel Production”, Iraqi J. Chem. Pet. Eng., vol. 16, no. 2, pp. 19–29, 2015.

Han, M., W. Yi, Q. Wu, Y. Liu, Y. Hong and D. Wang, “Preparation of biodiesel from waste oils catalyzed by a Brønsted acidic ionic liquid”, Bioresource Technology, 100(7): 2308-2310, 2009.

Zhang, Y., M.A. Dube, D.D. McLean and M. Kates, “Biodiesel production from waste cooking oil: 1. Process design and technological

assessment”, Bioresource Technology, 89(1): 1-16, 2003.

Feng Guo and Zhen Fang, “Biodiesel Production with Solid Catalysts”, Biodiesel - Feedstocks and Processing Technologies, Dr. Margarita Stoytcheva (Ed.), ISBN: 978-953-307-713-0, 2011.

Mcneff C.V., Mcneff L.C., Nowlan Yan B., D. T., Rasmussen M., Gyberg A. E., Krohn B. J., Fedie R.L., Hoye T.R., “A continuous catalytic system for biodiesel production”, Applied Catalysis A: General, 343, pp. 39–48., 2008.

Yan S., Salley S.O., Ng K.Y. S., “Simultaneous transesterification and esterification of unrefined or waste oils over ZnO-La2O3 catalysts”, Applied Catalysis A: General, 353, 203–212, 2009.

Ramos MJ. , Casas A., Rodriguez L. , Romero R. ,Perez A., “Transesterification of sunflower oil over zeolites using different metal loading: a case of leaching and agglomeration studies”, ApplCatalA: Gen; 346: pp.79–85, 2008.

Chavan S.P., Subbarao Y.T., Dantale S.W., Sivappa R., “Transesterification of ketoesters using Amberlyst-15”, Synth Commun, 31:pp.289-294, 2001.

Fu B.S., Gao L., Niu L., Wei R., and Xiao G., “Biodiesel from Waste Cooking Oil via Heterogeneous Superacid Catalyst SO4/ZrO2“, Energy & Fuels 23, 569–572, 2009.

Einloft S., Magalhães T. O., Donato A., Dullius J., and Ligabue R., “Biodiesel from Rice Bran Oil: Transesterification by Tin Compounds”, Energy & Fuels, 22, pp. 671–674, 2008.

Valentine Chinaka Eze, “The Use of Mesoscale Oscillatory Baffled Reactors for Rapid Screening of Heterogeneously Catalyzed Biodiesel Production Reactions”, Thesis, School of Chemical Engineering and Advanced Materials, Newcastle University, 2014.

Xiao, Y., Gao, L., Xiao, G. and Lv, J., “Kinetics of the transesterification reaction catalyzed by solid base in a fixed-bed reactor”, Energy & Fuels, 24, (11), pp. 5829-5833, 2010.

Dossin T. F., Reyniers M.F., Marin G.B., “Kinetics of heterogeneously MgO-catalyzed transesterification”, Applied Catalysis B: Environmental, 61, 35–45, 2006.

Di Serio, M., Dimiccoli, M., Cammarota, F., Nastasi, M., Santacesaria, E., “Synthesis of biodiesel via homogeneous Lewis acid catalyst”, Journal of Molecular Catalysis A, Chemical, Vol.239, pp.111-115, 2005.

Mohammed Abdul Halim A., Shakir, I. K. and Esgair K. K., “The use of Prepared Zeolite Y from Iraqi kaolin for Fluid Catalytic Cracking of Vacuum Gas Oil”, Journal of Engineering, Volume 19, Number 10, pp. 1256-1270, 2013.

Parise J. B., D. R. Corbin, L. Abrams and D. E. Cox, Acta. Cryst. C40 1493–1497, 1984.

Treacy M.M.J. and Higgins J.B., “Collection of Simulated XRD Powder Patterns for Zeolites”, fourth edition Amsterdam: Elsevier, 2001.

Lina Zhao, “Novel Solid Base Catalysts for the Production of Biodiesel from Lipids”, thesis, University of Kansas, School of Engineering, 2010.

Rajiv Arora, Vinay Kapoor, and Amrit Pal Toor, “Esterification of Free Fatty Acids in Waste Oil Using a Carbon-based Solid Acid Catalyst”, 2nd International Conference on Emerging Trends in Engineering and Technology (ICETET'2014), London (UK), May 30-31, 2014.

Hill, C. G. Jr., “An Introduction to chemical engineering kinetics and reactor design”, John Willy and Sons, 1977.

Levenspiel O., “Chemical Reaction Engineering”, 3rd Edition, John Wiley & Sons, 1999.

Flanigen, E. M., Broach, R. W. and Steph, “Zeolites in industrial separation and catalysis”, Edited by Santi Kulprathipanja, Wiley-VCH Verlag GmbH and Co. KGaA, Weinheim, 2010.

Shakoor, Z. M., Sukkar K. A. and Baqer M. S., “Reaction Kinetics of Acetic Acid and n-Butanol Esterification Catalyzed by Dowex 50 Catalyst”, Eng. & Tech. Journal, Vol.29 , No.10 , pp. 2060-2072, 2011.

Colen G.C.M., Vanduijn G. and Vanoosten H.J., “Effect of pore diffusion on the triacylglycerol distribution of partially hydrogenated trioleoylglycerol”, Applied Catalysis,43, pp. 339-350, 1988.

Ramirez E., Larrayoz M. A., and Recasens F., “Intraparticle Diffusion Mechanisms in SC Sunflower Oil Hydrogenation on Pd”, AICHE J., 52(4), pp.1539-1553, 2006.

Satterfield, C. N., “Mass Transfer in Heterogeneous Catalysis”, Colonial Press Incorporation, Clinton, Massachusetts, 1970.

Bobok D., Ondrejkova M., and E. Kossaczky, “Diffusion coefficients of n-heptane in a particle of molecular sieve NaY”, Chem. Papers 43 (3) pp. 345-361, 1989.

Robert C., John M. and Bruce E. Poling, “The properties of the Gases and Liquid”, 4th addition, McGrawHill, Inc., 1987.

Nemestóthy Nándor, László Gubicza, Erika Fehér and Katalin Bélafi-Bakó “A Kinetic Model on Enzymatic Esterification of i-Amyl Alcohol and Oleic Acid by Candida Antarctica Lipase B”, Biotechnological Utilization of Fuel Oil, Food Technol. Biotechnol. 46 (1) pp. 44 50, 2008.




How to Cite

Abbas, A. S., Albayati, T. M., Alismaeel, Z. T., & Doyle, A. M. (2016). Kinetics and Mass Transfer Study of Oleic Acid Esterification over Prepared Nanoporous HY zeolite. Iraqi Journal of Chemical and Petroleum Engineering, 17(1), 47–60.

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