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Effect of Temperature on Morphologies of Evaporation-Triggered Asphaltene Nanoaggregates

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Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta, Canada
Department of Mechanical Engineering, University of Alberta, Edmonton, Alberta, Canada
*E-mail [email protected] (T.T.).
Cite this: Langmuir 2014, 30, 3, 800–804
Publication Date (Web):January 4, 2014
https://doi.org/10.1021/la4045896
Copyright © 2014 American Chemical Society
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Abstract

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We use atomic force microscopy to observe the structural changes in petroleum–asphaltene aggregates in air as a function of temperature. The aggregates are obtained by evaporating a toluene solution containing asphaltene. Increase in temperature leads to transition from self-assembled fractal structures to substantially larger mobile “liquid-like” domains that show distinct tendencies of substrate repulsion and self-coalescence. This new aggregation dynamics of asphaltene can be explained by temperature-induced transition of asphaltene from pure amorphous to liquid crystalline phase. Observation of this new phenomenon for asphaltene will have wide implications for asphaltene handling and separation.

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This article is cited by 21 publications.

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  2. Fernando Fajardo-Rojas, Diego Pradilla, Oscar Alberto Alvarez Solano, Joseph Samaniuk. Probing Interfacial Structure and Dynamics of Model and Natural Asphaltenes at Fluid–Fluid Interfaces. Langmuir 2020, 36 (27) , 7965-7979. https://doi.org/10.1021/acs.langmuir.0c01320
  3. Evgeny V. Morozov, Pavel V. Yushmanov, Oleg N. Martyanov. Temperature-Triggered Rearrangement of Asphaltene Aggregates as Revealed by Pulsed-Field Gradient NMR. Energy & Fuels 2019, 33 (8) , 6934-6945. https://doi.org/10.1021/acs.energyfuels.9b00600
  4. Lijun T. Raju, Shubhankar Chakraborty, Binita Pathak, Saptarshi Basu. Controlling Self-Assembly and Topology at Micro–Nano Length Scales Using a Contact-Free Mixed Nanocolloid Droplet Architecture. Langmuir 2018, 34 (18) , 5323-5333. https://doi.org/10.1021/acs.langmuir.8b00790
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  9. Sajjad Pouralhosseini, Moien Alizadehgiashi, and John M. Shaw . On the Phase Behavior of Athabasca Asphaltene + Polystyrene + Toluene Mixtures at 298 K. Energy & Fuels 2015, 29 (8) , 4855-4863. https://doi.org/10.1021/acs.energyfuels.5b00979
  10. Ravi Gaikwad, Aharnish Hande, Siddhartha Das, Sushanta K. Mitra, and Thomas Thundat . Determination of Charge on Asphaltene Nanoaggregates in Air Using Electrostatic Force Microscopy. Langmuir 2015, 31 (2) , 679-684. https://doi.org/10.1021/la503968v
  11. Ting Wang, Qingya Liu, Lei Shi, Chong Xiang, Zhenyu Liu, Wei Han, Le Zhang, Hong Nie, Mingfeng Li. Radicals and coking behaviors during thermal cracking of two vacuum resids and their SARA fractions. Fuel 2020, 279 , 118374. https://doi.org/10.1016/j.fuel.2020.118374
  12. Saber Mohammadi, Fariborz Rashidi, Sayed Ali Mousavi-Dehghani, Mohammad-Hossein Ghazanfari. Fractal analysis of asphaltene aggregation phenomena in live oils at elevated pressure and temperature. Particulate Science and Technology 2020, 38 (4) , 454-463. https://doi.org/10.1080/02726351.2016.1158218
  13. Sajjad Esmaeili, Sepideh Maaref. Applying the Patel-Teja EoS with regular solution theory to predict the onset of asphaltene precipitation. Fluid Phase Equilibria 2018, 473 , 112-126. https://doi.org/10.1016/j.fluid.2018.06.002
  14. Domna-Maria Kaimaki, Ben E. Smith, Colm Durkan. On the use of nanomechanical atomic force microscopy to characterise oil-exposed surfaces. RSC Advances 2018, 8 (12) , 6680-6689. https://doi.org/10.1039/C7RA12209H
  15. Qiang Chen, Jun Liu, Thomas Thundat, Murray R. Gray, Qi Liu. Spatially resolved organic coating on clay minerals in bitumen froth revealed by atomic force microscopy adhesion mapping. Fuel 2017, 191 , 283-289. https://doi.org/10.1016/j.fuel.2016.11.091
  16. Abdul Haseeb Syed, Nader Mosavat, Jason Riordon, Pushan Lele, ZhenBang Qi, Mira Kim, Hossein Fadaei, Adriana Guerrero, David Sinton. A combined method for pore-scale optical and thermal characterization of SAGD. Journal of Petroleum Science and Engineering 2016, 146 , 866-873. https://doi.org/10.1016/j.petrol.2016.07.030
  17. Saber Mohammadi, Fariborz Rashidi, Sayed Ali Mousavi-Dehghani, Mohammad-Hossein Ghazanfari. On the effect of temperature on precipitation and aggregation of asphaltenes in light live oils. The Canadian Journal of Chemical Engineering 2016, 94 (9) , 1820-1829. https://doi.org/10.1002/cjce.22555
  18. Zubair A. Chandio, Ramasamy M., Hilmi B. Mukhtar. Temperature effects on solubility of asphaltenes in crude oils. Chemical Engineering Research and Design 2015, 94 , 573-583. https://doi.org/10.1016/j.cherd.2014.09.018
  19. Ravi Gaikwad, Tinu Abraham, Aharnish Hande, Fatemeh Bakhtiari, Siddhartha Das, Thomas Thundat. Determination of the Physical Properties of Oil Sands Components using Scanning Probe Microscopy. MRS Proceedings 2015, 1754 , 69-74. https://doi.org/10.1557/opl.2015.258
  20. Mahdi Ghanavati, Ahmad Ramazani S. A., Abdolhossein Hemmati-Sarapardeh. Experimental Measurement and Modeling of Heavy Crude Oil Rheological Behavior: The Roles of Asphaltene Fraction, Shear Rate, and Temperature. Journal of Dispersion Science and Technology 2014, 10 , 141217111959003. https://doi.org/10.1080/01932691.2014.967865
  21. Siddhartha Das, Thomas Thundat, Sushanta K. Mitra. Asphaltene migration and separation in presence of aggregation in electroosmotic–electrophoretic microchannel transport. Colloids and Surfaces A: Physicochemical and Engineering Aspects 2014, 446 , 23-32. https://doi.org/10.1016/j.colsurfa.2014.01.039

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