2024
DOI: 10.1002/aic.18666
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Doping Si/O to enhance interfacial occupancy of demulsifiers for low‐carbon breaking of water‐in‐heavy oil emulsions

Ying Tian,
Changqing He,
Xincheng Zhang
et al.

Abstract: Separating water‐in‐heavy oil (W/HO) emulsions at low (room) temperature is challenging when exploiting heavy oil. We propose an adaptable strategy for constructing Si/O‐doped demulsifiers. A nonionic demulsifier (APBMP) has been synthesized based on polysiloxane modified by allyl polyether and butyl acrylate. APBMP achieves 95.97% dehydration within 5 min for W/HO emulsions at 288.15 K and complete dehydration in 15 min at 323.15 K. Mechanistic studies found that doping Si/O into the demulsifier molecules inc… Show more

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