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Xu Z, Cheng J, Hu Y, Wu Y, Fan S, Yu G, Wang Y, Lian C, Liu H. Sacrificing Surfactants to Improve Oil Recovery: A Fluid Density Functional Theory Study. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024. [PMID: 39565831 DOI: 10.1021/acs.langmuir.4c03075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Academic Contribution Register] [Indexed: 11/22/2024]
Abstract
In the chemically enhanced oil recovery (CEOR) processes, heavy components in crude oil, such as asphaltenes, adhere to reservoir rocks, significantly impeding crude oil extraction. Surfactants are frequently utilized to improve oil recovery due to their ability to reduce interfacial tension (IFT) and modify surface wettability. Nevertheless, indiscriminate surfactant usage may result in resource wastage and hinder the attainment of optimal recovery outcomes. Therefore, it is urgent to accurately and efficiently screen out optimal surfactants suitable for different oil fields. This work employs fluid density functional theory (FDFT) to investigate the competitive adsorption mechanism of surfactants and asphaltenes on rock interfaces. We examined the impact of surfactants on asphaltene adsorption and determined the optimal surfactant concentration and chain length for differing reservoir electrical properties and asphaltene compositions. Furthermore, a comprehensive assessment of surfactants was conducted, considering both performance and economic factors. The findings contribute to a deeper comprehension of the displacement effect of surfactants on asphaltenes and offer scientific screening solutions for surfactants in oil recovery processes.
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Affiliation(s)
- Zheng Xu
- State Key Laboratory of Chemical Engineering, Shanghai Engineering Research Center of Hierarchical Nanomaterials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Jin Cheng
- State Key Laboratory of Chemical Engineering, Shanghai Engineering Research Center of Hierarchical Nanomaterials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Yuanlong Hu
- State Key Laboratory of Chemical Engineering, Shanghai Engineering Research Center of Hierarchical Nanomaterials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Yanghejia Wu
- State Key Laboratory of Chemical Engineering, Shanghai Engineering Research Center of Hierarchical Nanomaterials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
- Shanghai XuHui High School, Shanghai Nanyang High School, and Shanghai No.2 High School, Shanghai 200030, China
| | - Siyuan Fan
- State Key Laboratory of Chemical Engineering, Shanghai Engineering Research Center of Hierarchical Nanomaterials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
- Shanghai XuHui High School, Shanghai Nanyang High School, and Shanghai No.2 High School, Shanghai 200030, China
| | - Gaoxin Yu
- State Key Laboratory of Chemical Engineering, Shanghai Engineering Research Center of Hierarchical Nanomaterials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
- Shanghai XuHui High School, Shanghai Nanyang High School, and Shanghai No.2 High School, Shanghai 200030, China
| | - Yunwen Wang
- State Key Laboratory of Chemical Engineering, Shanghai Engineering Research Center of Hierarchical Nanomaterials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
- Shanghai XuHui High School, Shanghai Nanyang High School, and Shanghai No.2 High School, Shanghai 200030, China
| | - Cheng Lian
- State Key Laboratory of Chemical Engineering, Shanghai Engineering Research Center of Hierarchical Nanomaterials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Honglai Liu
- State Key Laboratory of Chemical Engineering, Shanghai Engineering Research Center of Hierarchical Nanomaterials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
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Zhang Z, Li C, Zhang J, Eikerling M, Huang J. Dynamic Response of Ion Transport in Nanoconfined Electrolytes. NANO LETTERS 2023; 23:10703-10709. [PMID: 37846923 PMCID: PMC10722536 DOI: 10.1021/acs.nanolett.3c02560] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Academic Contribution Register] [Received: 07/09/2023] [Revised: 10/05/2023] [Indexed: 10/18/2023]
Abstract
Ion transport in nanoconfined electrolytes exhibits nonlinear effects caused by large driving forces and pronounced boundary effects. An improved understanding of these impacts is urgently needed to guide the design of key components of the electrochemical energy systems. Herein, we employ a nonlinear Poisson-Nernst-Planck theory to describe ion transport in nanoconfined electrolytes coupled with two sets of boundary conditions to mimic different cell configurations in experiments. A peculiar nonmonotonic charging behavior is discovered when the electrolyte is placed between a blocking electrode and an electrolyte reservoir, while normal monotonic behaviors are seen when the electrolyte is placed between two blocking electrodes. We reveal that impedance shapes depend on the definition of surface charge and the electrode potential. Particularly, an additional arc can emerge in the intermediate-frequency range at potentials away from the potential of zero charge. The obtained insights are instrumental to experimental characterization of ion transport in nanoconfined electrolytes.
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Affiliation(s)
- Zengming Zhang
- IEK-13,
Institute of Energy and Climate Research, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany
| | - Chenkun Li
- IEK-13,
Institute of Energy and Climate Research, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany
| | - Jianbo Zhang
- School
of Vehicle and Mobility, State Key Laboratory of Automotive Safety
and Energy, Tsinghua University, Beijing 100084, China
| | - Michael Eikerling
- IEK-13,
Institute of Energy and Climate Research, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany
- Chair
of Theory and Computation of Energy Materials, Faculty of Georesources
and Materials Engineering, RWTH Aachen University, 52062 Aachen, Germany
| | - Jun Huang
- IEK-13,
Institute of Energy and Climate Research, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany
- Theory
of Electrocatalytic Interfaces, Faculty of Georesources and Materials
Engineering, RWTH Aachen University, 52062 Aachen, Germany
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