What question did this study set out to answer?

The aim is to compare biobased and conventional microemulsions for efficiency in oil recovery under specific conditions.

April 10, 2026ACS OmegaOpen Access

Assembling the Formulation Puzzle: Comparative Evaluation of Biobased and Conventional Microemulsions for Enhanced Oil Recovery

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Evaluates biobased microemulsions for enhanced oil recovery, suggesting they outperform conventional systems.

The aim is to compare biobased and conventional microemulsions for efficiency in oil recovery under specific conditions.
Compared eight Winsor IV microemulsions made from renewable and conventional components.
Measured interfacial tension and viscosity under reservoir-relevant conditions (60 °C).
Assessed different nonpolar phases, surfactants, cosurfactants, and polar phases to explore formulation effects.
Biobased formulations had Winsor IV domains up to 35% larger than conventional ones.
Achieved low interfacial tensions ranging from 0.14 to 2.7 mN·m–1.
Found effective balance between injectivity and capillary desaturation potential.

Santos et al. (2026) studied this question.

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