Oil recovery from oily sludge using amidinium bicarbonate‐based CO2‐responsive microemulsion

Microemulsion Bicarbonate
DOI: 10.1002/jsde.12848 Publication Date: 2025-03-12T05:32:34Z
ABSTRACT
Abstract In the petroleum and petrochemical industries, oil sludge is a common contaminant that causes environmental pollution resource wastage. Currently, recovering crude from oily presents significant challenge during processing. this study, an amidinium bicarbonate‐based CO 2 ‐responsive microemulsion was developed to effectively treat recover oil. The system demonstrates strong capability for solubilization. After treatment, residual contents in can be reduced as low 2.93% (ME‐1, n‐butanol cosurfactant) 1.44% (ME‐2, n‐hexanol cosurfactant). Complete oil/water phase separation achieved by introducing N at 65°C.
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