Systematic investigation of the synergistic effects of novel biosurfactant ethoxylated phytosterol-alcohol systems on the interfacial tension of a water/model oil system

Jia, Han; Song, Yilei; Jiang, Dan Yu; Liu, Xing; Leng, Xu; Zhu, Yanguang; An, Jing; Dong, Andi; Jia, Cunqi; Zhou, Hongtao

doi:10.1016/j.colsurfa.2016.10.057

Cited by 25 publications

(12 citation statements)

References 29 publications

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“…Based on the phase inversion temperature (PIT) theory, the effects of temperature on the IFT are discussed for nonionic surfactant systems. 44 In the present study, the hydrophilicities of ionic surfactant SDBS and organic salt BBMB systems are enhanced with increased temperature. 46 A great number of SDBS and BBMB molecules will desorb from the interface and enter the bulk phase, resulting in the IFT increase.…”

Section: Effects Of Nacl Concentration and Temperature On The Ift Betmentioning

confidence: 62%

“…The interfacial tension between the model oil (toluene and ndecane, v/v ¼ 1 : 1) and water was directly measured via the spinning drop method on a TX-500C spinning drop interfacial tension apparatus (American CNG Company) as previously described. 43,44 The aqueous solution was primarily lled in the glass tube. Then, droplet model oil was injected into the centre of the water phase.…”

Section: Measurement Of Interfacial Tensionmentioning

confidence: 99%

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Facile construction of gemini-like surfactants at the interface and their effects on the interfacial tension of a water/model oil system

Zhou

Yang

et al. 2017

RSC Adv.

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Section: Effects Of Nacl Concentration and Temperature On The Ift Betmentioning

confidence: 62%

Section: Measurement Of Interfacial Tensionmentioning

confidence: 99%

Facile construction of gemini-like surfactants at the interface and their effects on the interfacial tension of a water/model oil system

Zhou

Yang

et al. 2017

RSC Adv.

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“…). When the NaCl concentration is much high (100,000 mg L −1 ), the minimum equilibrium IFT value can reach 10 −3 mN m −1 order of magnitude at R of 1:5, which is generally desirable in the practical applications (Jia et al, ). Furthermore, there is an increased tendency for all four dynamic IFT curves for CTAB systems with different concentrations (Fig.…”

Section: Resultsmentioning

confidence: 99%

Salt‐Induced Constructions of Gemini‐like Surfactants at the Interface and Their Effects on the Interfacial Tension of a Water/Model Oil System

Jia

Huang

et al. 2018

J Surfact & Detergents

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It is an urgent issue to enhance oil recovery for unconventional reservoirs with high salinity. Focused on this topic, salt addition is a powerful tool to motivate the surfactant assembly at the water/oil interface and improve the interfacial activity. We used a cationic surfactant cetyltrimethylammonium bromide (CTAB) and an anionic salt dicarboxylic acid sodium (CnDNa) to construct gemini-like surfactants at the interface and evaluated their ability to reduce the interfacial tension (IFT) between model oil (toluene and n-decane, v:v = 1:1) and water. Interestingly, the fabrication of a (CTAB) 2 /C4DNa gemini-like surfactant was hardly achieved at the fresh water/model oil interface, but accomplished at the brine/model oil interface. At a high NaCl concentration (100,000 mg L −1 ), the IFT value is reduced to 10 −3 mN m −1 order of magnitude, which is generally desired in practical applications. The control experiments displacing the surfactant type and the spacer length further confirmed the NaCl effects on the interfacial assembly.

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“…That is probably why they only achieved an additional recovery of 6% by the CNF flooding. In our pervious report, we have found that the compound system of a bio‐surfactant ethoxylated phytosterols (BPS) and n‐pentanol could greatly reduce the oil–water IFT to the ultra‐low level (Jia et al, 2017). Therefore, we intended to construct an environmentally friendly system with CNF, BPS, and n‐pentanol, which is mainly composed of substances derived from natural materials and might present excellent performance in both sweep and displacement efficiency.…”

Section: Introductionmentioning

confidence: 99%

Study of a Novel Carboxylic Cellulose Nanofibrils‐Ethoxylated Phytosterol‐Alcohol Environmentally Friendly System on the Application in Enhanced Oil Recovery

Yuan

Liu

et al. 2021

J Surfact & Detergents

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Bio‐polymers and bio‐surfactants have attracted increasing attention for their application in chemical enhanced oil recovery (EOR) due to the environmental concerns of synthetic chemical agents. Here, a ternary compound system consisted of carboxylic cellulose nanofibrils (CCNF), ethoxylated phytosterol (BPS), and n‐pentanol was constructed. The rheological property and interfacial activity of the compound system and the effects of each component at high temperature (80 °C) was investigated systematically. The ternary compound system exhibited excellent performance in thickening, IFT reduction (<10−2 mN m−1), emulsification, and better salt tolerance. CBP, the ternary system of CCNF (2000 mg L−1), BPS (2000 mg L−1), and n‐pentanol (5000 mg L−1), greatly enhanced the oil recovery (24.3%) in the core flooding tests by its high displacement efficiency and sweep enlargement, which was demonstrated directly in the visual micromodel flooding. As an eco‐friendly system with remarkable performance, the compound system of CBP shows great application potential in EOR.

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Systematic investigation of the synergistic effects of novel biosurfactant ethoxylated phytosterol-alcohol systems on the interfacial tension of a water/model oil system

Cited by 25 publications

References 29 publications

Facile construction of gemini-like surfactants at the interface and their effects on the interfacial tension of a water/model oil system

Facile construction of gemini-like surfactants at the interface and their effects on the interfacial tension of a water/model oil system

Salt‐Induced Constructions of Gemini‐like Surfactants at the Interface and Their Effects on the Interfacial Tension of a Water/Model Oil System

Study of a Novel Carboxylic Cellulose Nanofibrils‐Ethoxylated Phytosterol‐Alcohol Environmentally Friendly System on the Application in Enhanced Oil Recovery

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