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September 25, 2025Chemical Engineering & Technology

Anticipation Water‐in‐Oil Emulsions Phase Inversion Point by Amine Polyol Block Copolymer

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Authors

DBDarlan BonettiSSSamuel Vitor SaraivaRCRosiane Lopes Cunha

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Implication

Injection of demulsifier reduces viscosity and alters phase inversion in water-in-oil emulsions, suggesting a new method for oil production.

Key Points

  • Injection of demulsifier at high concentrations anticipates the phase inversion point of water-in-oil emulsions, enhancing flow.
  • At concentrations above 500 ppm, emulsions with over 40% water content experienced an anticipated phase inversion.
  • Rheological analysis showed a maximum reduction of 32% in viscosity with lower concentrations of the demulsifier.
  • The study suggests that polyol-based demulsifiers can lower droplet rigidity, promoting coalescence and flow efficiency.

Cite This Study

Bonetti et al. (2025) studied this question.

synapsesocial.com/papers/68d5e205bd7882ccb9b86921https://doi.org/10.1002/ceat.70102
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