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240815s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.4c01679
|2 doi
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|a eng
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|a Singh, Alpana
|e verfasserin
|4 aut
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|a Effect of a Natural Surfactant (Fenugreek Seeds) on Emulsification and Mobilization of Paraffins via Pore-Scale Micromodel Experiments
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|c 2024
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|a Text
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|a ƒaComputermedien
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|a Date Revised 15.08.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a The surface characteristics of minerals have been crucial in predicting the interactions between chemicals, particularly in chemical flooding. Thus, this paper evaluates the viability of natural surfactants derived from agricultural products for oil recovery studies using a micromodel filled with paraffinic oil. The study investigates the interfacial tension, viscosity, microscopic, dilution, and oil mobilization characteristics of the natural surfactants. The experimental setup involves conducting interfacial tension measurements between the surfactant solution and paraffinic oil using the Wilhelmy plate method and was found to be 14.2, 10.92, and 9.8 mN/m. Additionally, viscosity measurements and frequency sweep analysis were performed to assess the rheological properties of the prepared emulsion, which was stabilized using a natural surfactant. Microscopic evaluation depicts that, among the prepared emulsions, n-heptane emulsion seems more stable at both 30 and 90 °C. Moreover, dilution studies were conducted for each emulsion system, and the dilution ratio was varied from 1:5 to 1:1 (emulsion/saline solution). It was found that n-heptane emulsion possesses better stability at higher dilution (until a 3:5 ratio). Oil mobilization studies are conducted using a glass micromodel to simulate reservoir conditions and observe the displacement efficiency of the surfactant solutions. The results indicate that natural surfactants exhibit competitive interfacial tension reduction and viscosity modification properties compared to commercial surfactants. Furthermore, oil mobilization studies demonstrate the effectiveness of natural surfactants in enhancing oil recovery from paraffinic oil reservoirs. These findings suggest the potential of natural surfactants derived from agricultural products as sustainable alternatives for improving the oil recovery efficiency in petroleum reservoirs
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|a Journal Article
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|a Sharma, Tushar
|e verfasserin
|4 aut
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|a Abdullah, Mahmood M S
|e verfasserin
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|a Trivedi, Japan J
|e verfasserin
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
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|u http://dx.doi.org/10.1021/acs.langmuir.4c01679
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