2017
DOI: 10.1016/j.fuel.2016.12.051
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Interfacial rheology of asphaltene emulsions in the presence of nanoemulsions based on a polyoxide surfactant and asphaltene dispersant

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Cited by 26 publications
(25 citation statements)
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“…An interfacial film containing asphaltenes and other petroleum components supports water droplet dispersion into the continuous phase [11,12]. Oil-in-water (o/w) emulsions are pointed out as an emergent technology for moving viscous oils.…”
Section: Introductionmentioning
confidence: 99%
“…An interfacial film containing asphaltenes and other petroleum components supports water droplet dispersion into the continuous phase [11,12]. Oil-in-water (o/w) emulsions are pointed out as an emergent technology for moving viscous oils.…”
Section: Introductionmentioning
confidence: 99%
“…38 It is well accepted that G ′ and G ″ are related to the properties and stability of emulsions. 39 High values of G ′ and G ″ mean a stable emulsion. 40 Moreover, G ′ is taken as a good indicator of the interaction and cross-linking of interfacial molecules.…”
Section: Resultsmentioning
confidence: 99%
“…The demulsifier molecules are absorbed onto the oil–water interface and compete with the natural surfactant and added additives, resulting in the formation of a less elastic interface with a lower value of G ′. 39 As more molecules diffuse to the interface, the viscoelasticity continues to decline accompanied by a rapid reduction of the stability of the interfacial film. This behavior promotes the coalescence of water droplets leading to the change of the emulsion’s properties.…”
Section: Resultsmentioning
confidence: 99%
“…Some studies have evaluated the asphaltene/air and asphaltene/water interfaces of solutions using the Du Noüy ring (Oliveira et al, 2017), while others have used the BiCone accessory (Fan et al, 2010;Spiecker & Kilpatrick, 2004;Kilpatrick & Spiecker, 2001). However, to the best of our knowledge, no studies have been published involving rheological analysis applied at the crude oil/air interface to investigate the formation of foams.…”
Section: Introductionmentioning
confidence: 99%