Laboratory study on the rheology properties of nanoparticle-stabilized supercritical CO2 foam

Song, Xiakai; Cui, Xincheng; Xiang, Song; Munir, Bacha; Du, Dongxing

doi:10.1016/j.petrol.2022.111065

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Generation Testing Of Mixed Dispersions1

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2025

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Cited by 30 publications

(2 citation statements)

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“…Our work may shed light on studying the stabilization mechanisms of foam enhancers, such as polymer solutions, [42][43][44] emulsions, 33,45 and functionalized nanoparticles. [46][47][48][49][50][51]…”

Section: Discussionmentioning

confidence: 99%

The peak viscosity of decaying foam with natural drainage and coarsening

Yu,

2024

Soft Matter

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Section: Discussionmentioning

confidence: 99%

The peak viscosity of decaying foam with natural drainage and coarsening

Yu,

2024

Soft Matter

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“…The constitutive equation of fluid is a mathematical model used to describe the relationship between the fluid shear stress and shear rate [45]. The constitutive equation has great significance for the in-depth study of rheological properties and practical engineering field applications [46]. Hence, in the present study, we fitted the flow curve to the Cross model shown in Equation (1) [47,48]:…”

Section: Generation Testing Of Mixed Dispersionsmentioning

confidence: 99%

Rheological Properties of Gel Foam Co-Stabilized with Nanoparticles, Xanthan Gum, and Multiple Surfactants

Sheng

Zhang

et al. 2023

Gels

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Gel foam has the advantages of gel and foam and shows good prospects for applications in the fields of fire prevention and extinguishing. Rheology has a significant impact on the application of gel foam, but there is little related research. In the present study, hydrophilic silica nanoparticles (NPs) and water-soluble polymer xanthan gum (XG) were combined with fluorocarbon surfactant (FS-50) and hydrocarbon surfactant (APG0810) to create gel foam. The foaming ability and foam drainage were evaluated. The gel foam’s rheology, including its flow behavior and viscoelasticity, was systematically investigated. The results show that the foaming of the FS-50/APG0810 mixture decreases but the foam drainage increases in the presence of NPs and/or XG. All of the foams belong to the category of non-Newtonian fluids with shear thinning behavior. The flow curves of the foams are consistent with the Cross model. The presence of XG/NPs enhanced the foam viscoelasticity of the FS-50/APG0810 mixture. The silica NPs showed a better ability to enhance foam viscoelasticity but a worse ability to stabilize the foam compared to XG. This research can offer theoretical support for the industrial usage of gel foam.

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