Most crude oils contain high molecular weight components, which at low temperatures may precipitate as a wax phase. This may cause plugging of pipes and numerous other problems. This paper presents a solid-liquid equilibrium based model for the description of wax formation. The model for the Gibbs e
A Thermodynamic Model to Predict Clathrate Hydrate Formation in Water-in-Oil Microemulsion Systems
β Scribed by H.T. Nguyen; N. Kommareddi; V.T. John
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 424 KB
- Volume
- 155
- Category
- Article
- ISSN
- 0021-9797
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β¦ Synopsis
A predictive model to describe the thermodynamics of clathrate hydrate formation in anionic surfactant based w/o microemulsions is developed. The process of controlled hydrate formation leads to an in-situ manipulation of droplet size by crystallizing out part of the microaqueous phase. The feasibility of hydrate formation is dependent on the activity of water in the droplet, and the thermodynamics of the system hence serves to characterize the activity of the microaqueous phase. O1993 Academic Press. Inc.
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Because most commercially available surfactants consist of mixtures of surfactant components, an understanding of mixed surfactant sorption behavior in the presence of natural materials may be essential for optimal design of surfactant-based industrial processes or environmental remediation applicat