Abstract:A process for universal rapid demulsification by vacuum suction using an as-prepared superamphiphilic and underliquid superamphiphobic polyurethane (PU)/diatomite composite has been developed and is used to demulsify kerosene-in-water and water-inkerosene emulsions with and without a surfactant. The results show that the demulsification rate of all the emulsions exceeds 98.5% in longterm operation, with a stable demulsification speed exceeding 0.303 L/ m 2 min. When a superhydrophobic channel for separation is… Show more
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