Journal
ADVANCES IN COLLOID AND INTERFACE SCIENCE
Volume 169, Issue 2, Pages 106-127Publisher
ELSEVIER
DOI: 10.1016/j.cis.2011.09.001
Keywords
Electrocoalescence; Gelation; Naphthenic acids; Particle-stabilized emulsions; Phase diagrams; Separation modeling
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Funding
- Aker Kvaerner, Vetco
- BP
- Chevron
- Champion Technologies
- ENI Technology
- Norsk Hydro
- Maersk Oil and Gas
- Qatar
- Petrobras
- Shell Global Solutions
- Statoil ASA
- Total
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Fluid characterization is a key technology for success in process design for crude oil mixtures in the future offshore. In the present article modern methods have been developed and optimized for crude oil applications. The focus is on destabilization processes in w/o emulsions, such as creaming/sedimentation and flocculation/ coalescence. in our work, the separation technology was based on improvement of current devices to promote coalescence of the emulsified systems. Stabilizing properties based on particles was given special attention. A variety of particles like silica nanoparticles (AEROSIL (R)), asphalthenes, wax (paraffin) were used. The behavior of these particles and corresponding emulsion systems was determined by use of modern analytical equipment, such as SARA fractionation, NIR, electro-coalescers (determine critical electric field), Langmuir technique, pedant drop technique, TG-QCM, AFM. (C) 2011 Elsevier B.V. All rights reserved.
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