Phase Behavior of Sodium Naphthenates, Toluene, and Water

Horváth‐Szabó, Géza; Masliyah, Jacob H.; Czarnecki, Jan

doi:10.1006/jcis.2001.7790

Cited by 72 publications

(40 citation statements)

References 21 publications

(19 reference statements)

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“…A LC phase can stabilize emulsions even in the composition range of microemulsion formation (30) in spite of the fact that emulsions have extremely low stability at this composition range in the absence of a LC phase (32,33). Although the above discussion is related to the stability of water in diluted bitumen emulsions, a similar mechanism is likely to be involved in systems of interest to alkaline flooding used in enhanced oil recovery.…”

Section: Experiments With Bitumen Samplesmentioning

confidence: 85%

“…Information about its chemical structure has been already published (3,30). Millipore Q deionized water and Fisher HPLC-grade toluene and heptane were used in all experiments.…”

Section: Methodsmentioning

confidence: 99%

“…7A). Since the solubility of SN in the oil phase is low (30), the concentration of SN cannot equilibrate between the small water droplets and the large water lenses. Consequently, the LC layers on the small droplets can be kinetically stable even when the total system is not in a thermodynamic equilibrium.…”

Section: Experiments With Bitumen Samplesmentioning

confidence: 99%

“…The quantitative characterization of this group of phenomena, which is quite a challenge, especially under nonequilibrium conditions, will follow in subsequent publications. We use naphthenic acid as the oil phase because, first, it is the most important precursor of natural surfactant in oil crudes, and second, its phase behavior has been documented (29)(30)(31).…”

Section: Introductionmentioning

confidence: 99%

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Sandwich Structures at Oil–Water Interfaces under Alkaline Conditions

Horváth‐Szabó

Czarnecki

Masliyah

2002

Journal of Colloid and Interface Science

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Section: Experiments With Bitumen Samplesmentioning

confidence: 85%

“…Information about its chemical structure has been already published (3,30). Millipore Q deionized water and Fisher HPLC-grade toluene and heptane were used in all experiments.…”

Section: Methodsmentioning

confidence: 99%

Section: Experiments With Bitumen Samplesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Sandwich Structures at Oil–Water Interfaces under Alkaline Conditions

Horváth‐Szabó

Czarnecki

Masliyah

2002

Journal of Colloid and Interface Science

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“…multilayers, could play a role in the stabilisation of petroleum emulsions under some conditions [131][132][133][134] . However this aspect needs more work to document a universal mechanism.…”

Section: Asphaltenes As Stabilizersmentioning

confidence: 99%

Model molecules mimicking asphaltenes

Sjöblom

Simon

2015

Advances in Colloid and Interface Science

161

132

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Characterising rag‐forming solids

et al. 2013

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In oil sands froth treatment an undesirable intermediate layer often accumulates during the separation of water-oil emulsions. The layer referred to as 'rag' is a complex mixture of water, oil, solids and interfacially active components. The presence of a rag layer has a detrimental impact on separation of water and fine solids from diluted bitumen. The current study focuses on characterization of solids from a rag layer forming stream of a naphthenic froth treatment plant in an attempt to understand the mechanism of rag layer formation. Through detailed characterization of rag-forming and non-rag-forming solids, the mineralogy of solids and their contamination were shown to be critical to rag layer formation. The iron-based minerals such as siderite and pyrite were found to be enriched within the rag layer. Analysis of surface organic complexes confirms a high level of organic matter association with these solids through the binding of carboxylic acid group with iron on solids, resulting in a surface hydrophobicity susceptible for rag layer formation.

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Phase Behavior of Sodium Naphthenates, Toluene, and Water

Cited by 72 publications

References 21 publications

Sandwich Structures at Oil–Water Interfaces under Alkaline Conditions

Sandwich Structures at Oil–Water Interfaces under Alkaline Conditions

Model molecules mimicking asphaltenes

Characterising rag‐forming solids

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