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This research aims to explore how the polar fractions of crude oil affect the stabilization of water-in-oil emulsions.

Investigation of the influence of aromaticity of oil and asphaltenes, resins, and petroleum acids on the W/O emulsions

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Randomized trial investigates W/O emulsion stabilization in crude oil mixtures, suggesting oil aroma affects outcomes.

This research aims to explore how the polar fractions of crude oil affect the stabilization of water-in-oil emulsions.
Emulsions were prepared using Brazilian crude oils OIL1 and OIL2 and polar fraction mixtures.
Total of two polar fractions prepared in heptane and toluene with various saline aqueous phases.
Emulsions were generated under high-energy conditions with varying NaCl and CaCl2 concentrations.
OIL1 was found to be more effective in stabilizing W/O emulsions than OIL2.
Both crude oil and heptol emulsions illustrated the significance of oil aromaticity in emulsion stabilization.
The interaction among asphaltenes, resins, and petroleum acids plays a crucial role in emulsification.

Ximango et al. (2026) studied this question.

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