Interrelationship of bulk and oil-water interfacial properties of asphaltenes

Ashoorian, Sefatallah; Javadi, Aliyar; Hosseinpour, Negahdar; Nassar, Nashaat N.

doi:10.1016/j.molliq.2023.121761

Journal of Molecular Liquids

2023

DOI: 10.1016/j.molliq.2023.121761

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Interrelationship of bulk and oil-water interfacial properties of asphaltenes

Sefatallah Ashoorian

Aliyar Javadi

Negahdar Hosseinpour

et al.

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2024

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Cited by 6 publications

References 74 publications

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Doping Si/O to enhance interfacial occupancy of demulsifiers for low‐carbon breaking of water‐in‐heavy oil emulsions

Tian,

He,

Zhang

et al. 2024

AIChE Journal

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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 increases the number of hydrogen bond sites, which enables the demulsifiers to quickly disperse natural stabilizers (e.g., asphaltenes) and replace them at the oil–water interfacial film. The demulsifiers prefer to occupy the interfacial sites rather than dissolve into the bulk oil or water phases. Driven by hydrogen‐bond‐dominated noncovalent interactions, the oil–water interfacial film is softened, reconstructed, and broken. These findings provide insights into developing novel materials for oil–water separations in a low‐carbon way.

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Doping Si/O to enhance interfacial occupancy of demulsifiers for low‐carbon breaking of water‐in‐heavy oil emulsions

Tian,

He,

Zhang

et al. 2024

AIChE Journal

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show abstract

Advances in drop and bubble profile analysis tensiometry

Javadi,

Liggieri,

Aksenenko

et al. 2024

Current Opinion in Colloid & Interface Science

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Optimizing oil-water interfacial rheology for in-situ synthesis of nanoparticles and asphaltene control during oil production

Soleymani,

Hosseinpour,

Horeh Bahaloo

et al. 2024

Colloids and Surfaces A: Physicochemical and Engineering Aspect

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Interrelationship of bulk and oil-water interfacial properties of asphaltenes

Cited by 6 publications

References 74 publications

Doping Si/O to enhance interfacial occupancy of demulsifiers for low‐carbon breaking of water‐in‐heavy oil emulsions

Doping Si/O to enhance interfacial occupancy of demulsifiers for low‐carbon breaking of water‐in‐heavy oil emulsions

Advances in drop and bubble profile analysis tensiometry

Optimizing oil-water interfacial rheology for in-situ synthesis of nanoparticles and asphaltene control during oil production

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