Application of variable frequency technique on electrical dehydration of water-in-oil emulsion

Colloids and Surfaces A: Physicochemical and Engineering Aspects

Volumn 386, Issue 1-3, 2011, Pages 185-190

  Zhang, Yanzhen ^a   Liu, Yonghong ^a   Ji, Renjie ^a   Wang, Fei ^a   Cai, Baoping ^a   Li, Hang ^a  

^a CHINA UNIVERSITY OF PETROLEUM   (China)

Author keywords

Conductivity; Electrocoalescence; Emulsion; Pulsed DC; Variable frequency

Indexed keywords

DEWATERING; DIELECTRIC MATERIALS; ELECTRIC PROPERTIES; EMULSIFICATION; EMULSIONS; INDUSTRIAL APPLICATIONS; RHEOLOGY;

DEHYDRATION EFFICIENCY; DEHYDRATION PROCESS; DISPERSION SYSTEMS; ELECTROCOALESCENCE; INDUSTRY APPLICATIONS; OPTIMUM FREQUENCY; PULSED DC; RHEOLOGICAL PROPERTY; VARIABLE FREQUENCIES; WATER IN OIL EMULSIONS;

DEHYDRATION;

OIL; WATER;

ARTICLE; CONDUCTANCE; DEHYDRATION; DIRECT CURRENT; ELECTRIC CONDUCTIVITY; ELECTRIC FIELD; ELECTRODE; EMULSION; FLOW KINETICS; LIQUID; MATERIALS; PETROCHEMICAL INDUSTRY; PHYSICAL PHASE; PRIORITY JOURNAL; VISCOSITY;

EID: 80051556141     PISSN: 09277757     EISSN: 18734359     Source Type: Journal    
DOI: 10.1016/j.colsurfa.2011.07.010     Document Type: Article

References (20)

1. Wu J., Xu Y., Dabros T., Hamza H. Effect of demulsifier properties on destabilization of water-in-oil emulsion. Energy Fuels 2003, 17:1554-1559.
2. Cambiella A., Benito J.M., Pazos C., Coca J. Centrifugal separation efficiency in the treatment of waste emulsified oils. Chem. Eng. Res. Des. 2006, 84:69-76.
3. Hempoonsert J., Tansel B., Laha S. Effect of temperature and pH on droplet aggregation and phase separation characteristics of flocs formed in oil-water emulsions after coagulation. Colloids Surf. A: Physicochem. Eng. Aspects 2010, 353:37-42.
4. Kocherginsky N.M., Tan C.L., Lu W.F. Demulsification of water-in-oil emulsions via filtration through a hydrophilic polymer membrane. J. Membr. Sci. 2003, 220:17-128.
5. Eow J.S., Ghadiri M. Electrostatic enhancement of coalescence of water droplets in oil: a review of the technology. Chem. Eng. J. 2002, 85:357-368.
6. Eow J.S., Ghadiri M., Sharif A.O., Williams T.J. Electrostatic enhancement of coalescence of water droplets in oil: a review of the current understanding. Chem. Eng. J. 2001, 84:173-192.
7. Lesaint C., Glomm W.R., Lundgaard L.E., Sjoblom J. Dehydration efficiency of AC electrical fields on water-in-model-oil emulsions. Colloids Surf. A: Physicochem. Eng. Aspects 2009, 352:63-69.
8. Less S., Hannisdal A., Sjoblom J. Dehydration efficiency of water-in-crude oil emulsions in alternating current electrical fields. J. Disper. Sci. Technol. 2008, 29:106-114.
9. Bailes P.J., Larkai S.K.L. An experimental investigation into the use of high voltage d.c. fields for liquid phase separation. Trans. IchemE 1981, 59(4):229-237.
10. Bailes P.J., Larkai S.K.L. Liquid phase separation in pulsed d.c. fields. Trans. IChemE 1982, 60(2):115-121.
11. Bailes P.J., Dowling P.D. The production of pulsed E.H.T. voltages for electrostatic coalescence. J. Electrostat. 1985, 17(3):321-328.
12. Bailes P.J., Larkai S.K.L. Polarisation effects in liquid phase separation by pulsed electric fields. IChemE Symp. Ser. 1984, 94:235-245.
13. Eow J.S., Ghadiri M. Drop-drop coalescence in an electric field: the effects of applied electric field and electrode geometry. Colloids Surf. A: Physicochem. Eng. Aspects 2003, 219:253-279.
14. Sample S.B., Raghupathy B., Hendricks C.D. Quiescent distortion and resonant oscillations of a liquid drop in an electric field. Int. J. Eng. Sci. 1970, 8:97-109.
15. Taylor S.E. Theory and practice of electrically enhanced phase separation of water-in-oil emulsions. Chem. Eng. Res. Des. 1996, 74:526-540.
16. Midtgard O.-M. Electrostatic field theory and circuit analysis in the design of coalescers with pulsed dc voltage. Chem. Eng. J. 2009, 16:8-175.
17. Lee C.M., Sams G.W., Wagner J.P. Power consumption measurements for ac and pulsed dc for electrostatic coalescence of water-in-oil emulsions. J. Electrostat. 2001, 53:1-24.
18. Bailes P.J., Parsons A.R., Lee J.G.M. An experimental investigation into the motion of a single drop in a pulsed DC electric field. Chem. Eng. Res. Des. 2000, 78:499-505.
19. Azzam M.O.J., Omari R.M. Stability of egg white-stabilized edible oil emulsions using conductivity technique. Food Hydrocolloids 2002, 16:105-110.
20. Zhang Y., Liu Y., Ji R. Dehydration efficiency of high-frequency pulsed DC electrical fields on water-in-oil emulsion. Colloids Surf. A: Physicochem. Eng. Aspects 2011, 373:130-137.