An Experimental Investigation and Modeling of Asphaltene Adsorption Kinetics on Synthesized Iron Oxide Nanoparticles

Document Type : Research Paper

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Abstract

Nanotechnology is of significant importance in many scientific fields. In view of engineering problems, nanomaterials have found wide practical applications. In this work, iron oxide nanoparticles called maghemite (γ-Fe2O3) were synthesized. The synthesized nanoparticles were used to adsorb asphaltene from prepared asphaltene-toluene solutions. Asphaltene adsorption kinetic behavior was modeled using experimental data. For the synthesis of maghemite nanoparticles, the co-precipitation of ferric and ferrous ions method as a simple and inexpensive method was selected. The crystalline structure and morphology of synthesized maghemite was investigated using X-ray diffraction (XRD) and scanning electron microscope (SEM) respectively. The nanoparticles were also characterized by using FT-IR spectrum. The results of these analyses showed that the γ-Fe2O3 nanoparticles had a crystalline structure with a size smaller than 50 nm and were spherical in shape. The maghemite nanoparticles were used for the adsorption of asphaltenes. The results obtained from adsorption kinetics analysis showed that asphaltene was rapidly adsorbed onto γ-Fe2O3 nanoparticles, and equilibrium was achieved in less than 2 hrs. The Lagergren pseudo-first-order and the pseudo-second-order models were employed for determination of the adsorption kinetics. It was found that the kinetic results were in good agreement with the pseudo-second-order model
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References

[1]. Rudrake, A., Investigation of asphaltene-metal interactions, in Department of Chemical Engineenring, Queenas University, Kingstone, Onatario, Canada, Feb. 2008.##
[2]. D2007-93, A., Standard test method for characteristic groups in rubber extender and processing oils by the Clay-Gel adsorption chromatographic method, 1993.##
[3]. Belal J. Abu and Tarboush M. M. H., “Adsorption of asphaltenes from heavy oil onto in situ prepared NiO nanoparticles” Journal of Colloid and Interface Science, Vol. 378, pp. 64-69, 2012.##
[4]. Cornell R. M., The iron oxides: structure, properties, reactions, occurrence and uses, Die Deutsche Bibliothek, 2003.##
[5]. Nashaat N. and Nassar A. H.a.P.P.-A., “Metal oxide nanoparticles for asphaltene adsorption and oxidation energy & fuelsL”, Vol. 25, pp. 1017–1023, 2011.##
[6]. Camilo Franco E. P., Benjumea P., Marco A., Ruiz, and Farid B. “Cortés, Kinetic and thermodynamic equilibrium of asphaltenes sorption onto nanoparticles of nickel oxide supported on nanoparticulated alumina”, Fuel, Vol. 105: pp. 408-414, 2012.##
[7]. Jamilia O. Safieva1, K. G. P. and Syunyaev R. Z., Adsorption and aggregation of asphaltenes in petroleum dispersed systems, in crude oil emulsions- composition stability and characterization P. M. E.-S., Abdul-Raouf, Editor. 2012, InTech.##
[8]. Socrates Acevedo M., Coromoto Garcı A. R. and Jimmy Castillo A. F., “Importance of asphaltene aggregation in solution in determining the adsorption of this sample on mineral surfaces”, Colloids and SurfacesA: Physicochemical and Engineering Aspects, Vol. 166: pp. 145-152, 2000.##
[9]. Syunyaev R. Z., Akhatov I. S. and Safieva J. O., “Adsorption of petroleum asphaltenes onto reservoir rock sands studied by near-infrared (NIR) spectroscopy energy & fuels”, Vol. 23, pp. 1230-1236, 2009.##
[10]. Nassar N. N., “Asphaltene adsorption onto alumina nanoparticles: kinetics and thermodynamic studies”, Energy & Fuels, Vol. 24, pp. 4116–4122, 2010.##
[11]. Nashaat N. Nassar A. H., Carbognani L., Lopez-Linares F., and Pereira-Almao P., “Iron oxide nanoparticles for rapid adsorption and enhanced catalytic oxi-dation of thermally cracked asphaltenes”, Fuel, Vol. 95: pp. 257-262, 2010.
[12]. Saidur Rahman Chowdhury E. K. Y., Allen R., “Pratt Chemical states in XPS and Raman analysis during removal of Cr(VI) from contaminated water by mixed maghemite–magnetite nanoparticles”, Journal of Hazardous Materials, Vol. 235– 236: pp. 246– 256, 2012.##
[13]. Arup Roy J. B., “Removal of Cu(II), Zn(II) and Pb(II) from water using microwave-assisted synthesized maghemite nanotubes”, Chemical Engineering Journal, Vol. 211-212: pp. 493–500, 2012.##
[14]. Predoi E. A., Radu M., and Munteanu A., “Dinischiotu, synthesis and characterization of bio-compatible maghemite nanoparticles”, Digest Journal of Nanomaterials and Biostructures, Vol. 5: pp. 779-786, 2010.##
[15]. Carmen Steluta Ciobanu S. L. I., “Eniko gyorgy, mihaela radu, marieta costache, and P.L.C. anca dinischiotu”, Khalid Lafdi and Daniela Predoi, Biomedical properties and preparation of iron oxide-dextran nanostructures by MAPLE technique. Chemistry Central Journal, Vol. 6: pp. 1-12, 2012.##
[16]. Caterina G. C. M. Netto H. E. T., and Leandro H. “Andrade, Superparamagnetic nanoparticles as versatile carriers and supporting materials for enzymes”, Journal of Molecular Catalysis B: Enzymatic, Vol. 85-86: pp. 71– 92, 2013.##
[17]. Franja ˇSulek M., MajaHabulin, ˇZeljko Knez, “Surface functionalization of silica-coated magnetic nanoparticles for covalent attachment of cholesterol oxidase”, Journal of Magnetism and Magnetic Materials, Vol. 322: pp. 179-185, 2012.##
[18]. Darezereshki E., “Synthesis of maghemite (γ-Fe2O3) nanoparticles by wet chemical method at room temperature”, Materials Letters, Vol. 64: pp. 1471–1472, 2010.##
Journal of Petroleum Research
Volume 25, Issue 82 - Serial Number 82
September and October 2015
Pages 132-141

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