Demulsification of Light Malaysian Crude Oil Emulsions Using an Electric Field Method

Erfan Mohammadian, Tajnor Suriya Taju Ariffin, Amin Azdarpour, Hossein Hamidi, Suriati Yusof, Maziyar Sabet, Effah Yahya

Research output: Contribution to journalArticle

Abstract

The creation of oil emulsions due to mechanical strength and natural surfactants during production is undesirable. The challenges associated with transporting and refining oil have led researchers to probe into practical demulsification methods. An in-depth understanding of crude oil rheology and operating conditions to treat emulsion is necessary. The main objective of the current study was to investigate the rheological behavior and demulsification rate of crude oil emulsions. The rheological behavior of a crude oil emulsion was studied by manipulating its temperature (30 °C-90 °C), shear rate (0.1-1000 s-1), and water volume fraction (20%, 30%, and 40%). For emulsions of various water content, the rheological studies followed the non-Newtonian shear thinning behavior, which was explained effectively by the Herschel-Bulkley model. Experimental results also indicated that the measured viscosity of emulsion decreased significantly with temperature, while increasing water volume fraction increased viscosity. The rates of demulsification of water in crude oil emulsion in direct current fields were investigated under various conditions by using an electrochemical cell. The separation rate of water increased along with the applied field, water content, and salt concentration. Results of this study indicated that emulsion separation was governed by the magnitude of the applied electric field as well as the type of electrode.

Original languageEnglish
Pages (from-to)13247-13256
Number of pages10
JournalIndustrial and Engineering Chemistry Research
Volume57
Issue number39
Early online date6 Sep 2018
DOIs
Publication statusPublished - 3 Oct 2018

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Demulsification
Petroleum
Emulsions
Crude oil
Electric fields
Water
Water content
Volume fraction
Oils
Viscosity
Electrochemical cells
Shear thinning
Rheology
Surface-Active Agents
Shear deformation
Refining
Strength of materials
Surface active agents
Salts
Temperature

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

Cite this

Demulsification of Light Malaysian Crude Oil Emulsions Using an Electric Field Method. / Mohammadian, Erfan; Taju Ariffin, Tajnor Suriya; Azdarpour, Amin; Hamidi, Hossein; Yusof, Suriati; Sabet, Maziyar; Yahya, Effah.

In: Industrial and Engineering Chemistry Research, Vol. 57, No. 39, 03.10.2018, p. 13247-13256.

Research output: Contribution to journalArticle

Mohammadian, E, Taju Ariffin, TS, Azdarpour, A, Hamidi, H, Yusof, S, Sabet, M & Yahya, E 2018, 'Demulsification of Light Malaysian Crude Oil Emulsions Using an Electric Field Method' Industrial and Engineering Chemistry Research, vol. 57, no. 39, pp. 13247-13256. https://doi.org/10.1021/acs.iecr.8b02216
Mohammadian, Erfan ; Taju Ariffin, Tajnor Suriya ; Azdarpour, Amin ; Hamidi, Hossein ; Yusof, Suriati ; Sabet, Maziyar ; Yahya, Effah. / Demulsification of Light Malaysian Crude Oil Emulsions Using an Electric Field Method. In: Industrial and Engineering Chemistry Research. 2018 ; Vol. 57, No. 39. pp. 13247-13256.
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