Journal ArticleDOI
Dynamic Surface-Tension of Ionic Surfactant Solutions
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In this article, the dynamic surface tension of sodium dodecyl sulfate solutions against dodecane with the pendent drop method was studied, and a simple model was proposed to incorporate these various steps and find good agreement with our experimental data.About:
This article is published in Journal of Colloid and Interface Science.The article was published on 1994-12-01. It has received 136 citations till now. The article focuses on the topics: Gibbs isotherm & Pulmonary surfactant.read more
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Monodisperse Emulsion Generation via Drop Break Off in a Coflowing Stream
TL;DR: In this paper, the authors describe an experimental technique for the production of highly monodisperse emulsions (with minimum achievable polydispersities < 3%), where the phase to be dispersed is introduced into a co-flowing, surfactant-laden continuous phase via a tapered capillary.
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Influence of interfacial rheology on foam and emulsion properties.
TL;DR: Experiments are described showing that foaming, emulsification, foam and emulsion stability, are strongly dependent upon the value of compression elasticity and viscosity.
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Studies on interfacial behavior and wettability change phenomena by ionic and nonionic surfactants in presence of alkalis and salt for enhanced oil recovery
Sunil Kumar,Ajay Mandal +1 more
TL;DR: In this paper, the interfacial tension, contact angle, emulsification and emulsion properties of cetyltrimethylammonium bromide (CTAB), sodium dodecyl sulfate (SDS) and polysorbate 80 (Tween 80) surfactants against crude oil have been investigated in presence of sodium chloride (NaCl) and alkalis viz. sodium hydroxide (NaOH), sodium carbonate (Na 2 CO 3 ), ammonium hydroxides (NH 4 OH), sodium metaborate(SMB) and
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Aqueous foams stabilized solely by particles
TL;DR: In this paper, the authors describe experiments with partially hydrophobic fumed silica particles, in which the foam properties were correlated with the properties of spread and adsorbed layers of these particles at the air-water interface.
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Toward mechanistic understanding of heavy crude oil/brine interfacial tension: The roles of salinity, temperature and pressure
Farzaneh Moeini,Abdolhossein Hemmati-Sarapardeh,Mohammad Hossein Ghazanfari,Mohsen Masihi,Shahab Ayatollahi +4 more
TL;DR: In this article, the sensitivity of dead heavy crude oil/brine IFT to a wide range of properties/conditions and reveal the underlying physicochemical mechanisms involved in enhanced oil recovery and IFT reduction by low salinity water injection into heavy oil reservoir.
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