Heat and Mass Transfer

, Volume 51, Issue 4, pp 477–485 | Cite as

Evaluation of interfacial mass transfer coefficient as a function of temperature and pressure in carbon dioxide/normal alkane systems

  • Fatemeh Nikkhou
  • Peyman Keshavarz
  • Shahab Ayatollahi
  • Iman Raoofi Jahromi
  • Ali Zolghadr


CO2 gas injection is known as one of the most popular enhanced oil recovery techniques for light and medium oil reservoirs, therefore providing an acceptable mass transfer mechanism for CO2–oil systems seems necessary. In this study, interfacial mass transfer coefficient has been evaluated for CO2–normal heptane and CO2–normal hexadecane systems using equilibrium and dynamic interfacial tension data, which have been measured using the pendant drop method. Interface mass transfer coefficient has been calculated as a function of temperature and pressure in the range of 313–393 K and 1.7–8.6 MPa, respectively. The results showed that the interfacial resistance is a parameter that can control the mass transfer process for some CO2–normal alkane systems, and cannot be neglected. Additionally, it was found that interface mass transfer coefficient increased with pressure. However, the variation of this parameter with temperature did not show a clear trend and it was strongly dependent on the variation of diffusivity and solubility of CO2 in the liquid phase.


Mass Transfer Process Interfacial Resistance Mass Transfer Model Pendant Drop High Pressure Cell 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

List of symbols


Inner radius of needle




Physical domain


Boundaries between liquid and impermeable surfaces


Boundaries between liquid and gas


Gas concentration in liquid phase


Diffusion coefficient


Direction cosine


Direction cosine


Interface mass transfer coefficient


Equilibrium concentration of gas in liquid


Dimensionless gas concentration


Radial coordinate


Axial coordinate


Dimensionless time


Mass transfer Biot number


Computational domain


Solvent molar volume




Molar volume of solvent when diffusion approaches zero


Objective function


Experimental interfacial tension


Calculated interfacial tension


Absolute temperature



The authors are grateful for the research council of the Shiraz University for financial supports and providing the laboratory and the computational facilities required by the research. Financial supports from Enhanced Oil Recovery (EOR) Center of the College of Engineering are greatly acknowledged.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Fatemeh Nikkhou
    • 1
  • Peyman Keshavarz
    • 1
  • Shahab Ayatollahi
    • 1
  • Iman Raoofi Jahromi
    • 2
  • Ali Zolghadr
    • 1
  1. 1.Enhanced Oil Recovery Research (EOR) Center, School of Chemical and Petroleum EngineeringShiraz UniversityShirazIran
  2. 2.School of Chemical and Petroleum EngineeringSharif University of TechnologyTehranIran

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