STABILITY OF WATER-IN-CRUDE OIL EMULSIONS: ROLE PLAYED BY THE STATE OF SOLVATION OF ASPHALTENES AND BY WAXES

The stability of water-in-crude oil (or model crude oil) emulsions was determined by means of separation/sedimentation tests and high voltage destabilization tests. First the impact of the state of solvation of asphaltencs on their ability to stabilize emulsions were studied. Secondly, we analyzed t...

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Bibliographic Details
Published in:Journal of dispersion science and technology 1998-01, Vol.19 (2-3), p.339-367
Main Authors: Mouraille, O., Skodvin, T., Sjöblom, J., Peytavy, J.-L
Format: Article
Language:English
Subjects:
Applied sciences
Constitution and properties of crude oils, shale oils, natural gas and bitumens. Analysis and characteristics
Crude oil, natural gas and petroleum products
Energy
Exact sciences and technology
Fuels
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Summary:The stability of water-in-crude oil (or model crude oil) emulsions was determined by means of separation/sedimentation tests and high voltage destabilization tests. First the impact of the state of solvation of asphaltencs on their ability to stabilize emulsions were studied. Secondly, we analyzed the role of naturally occurring waxes in the stabilization of emulsions. Finally, the emulsion stability when both asphaltenes and waxes are involved was investigated.
ISSN:0193-2691
1532-2351
DOI:10.1080/01932699808913179