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She Y, Aoki H, Hu Y, Zhang C, Mahardika MA, Nasir M, Wang W, Patmonoaji A, Matsushita S, Suekane T. Effect of In-situ Dual Surfactant Formulation on Spontaneous Oil Deformation: A Comprehensive Study from Mechanism Discovery to Oil Recovery Application. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c01735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yun She
- Department of Mechanical Engineering, Tokyo Institute of Technology, 2-12-1-I6-33, Ookayama, Meguroku, Tokyo 152-8550, Japan
| | - Hirotaka Aoki
- Department of Mechanical Engineering, Tokyo Institute of Technology, 2-12-1-I6-33, Ookayama, Meguroku, Tokyo 152-8550, Japan
| | - Yingxue Hu
- School of Human Settlement and Civil Engineering, Xi’an Jiaotong University, Xi’an 710049, China
| | - Chunwei Zhang
- State Key Laboratory of Automotive Simulation and Control, Jilin University, 130025 Changchun, China
| | - Mohammad Azis Mahardika
- Department of Mechanical Engineering, Tokyo Institute of Technology, 2-12-1-I6-33, Ookayama, Meguroku, Tokyo 152-8550, Japan
- Mechanical Engineering, Institut Teknologi Nasional Bandung, Bandung 40124, West Java, Indonesia
| | - Muhammad Nasir
- Department of Mechanical Engineering, Tokyo Institute of Technology, 2-12-1-I6-33, Ookayama, Meguroku, Tokyo 152-8550, Japan
| | - Weicen Wang
- Department of Mechanical Engineering, Tokyo Institute of Technology, 2-12-1-I6-33, Ookayama, Meguroku, Tokyo 152-8550, Japan
| | - Anindityo Patmonoaji
- Department of Mechanical Engineering, Tokyo Institute of Technology, 2-12-1-I6-33, Ookayama, Meguroku, Tokyo 152-8550, Japan
- Department of Chemical Engineering, Tokyo University of Agriculture and Technology, Tokyo 184-8588, Japan
| | - Shintaro Matsushita
- Department of Mechanical Engineering, Tokyo Institute of Technology, 2-12-1-I6-33, Ookayama, Meguroku, Tokyo 152-8550, Japan
| | - Tetsuya Suekane
- Department of Mechanical Engineering, Tokyo Institute of Technology, 2-12-1-I6-33, Ookayama, Meguroku, Tokyo 152-8550, Japan
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Hsieh TL, Law S, Garoff S, Tilton RD. pH-Dependent Interfacial Tension and Dilatational Modulus Synergism of Oil-Soluble Fatty Acid and Water-Soluble Cationic Surfactants at the Oil/Water Interface. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:11573-11581. [PMID: 34554763 DOI: 10.1021/acs.langmuir.1c01889] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
While the concept of interfacial tension synergism in surfactant mixtures is well established, little attention has been paid to the possibility of synergistic effects on the interfacial rheology of mixed surfactant systems. Furthermore, interfacial tension synergism is most often investigated for mixtures of surfactants residing in a single phase. Here, we define dilatational modulus synergism and report a study of interfacial tension isotherms and complex dilatational moduli for a binary surfactant system with the two surfactants accessing the oil/water interface from opposite sides. Using an oil-soluble fatty acid surfactant (palmitic acid, PA) that may be ionized at the oil/water interface and a quaternary ammonium water-soluble cationic surfactant (tetradecyltrimethylammonium bromide, TTAB), the binary interfacial interaction was tuned by the aqueous phase pH. Interfacial tensions and dilatational moduli were measured by the pendant drop method for the binary surfactant system as well as the corresponding single-surfactant systems to identify synergistic effects. The possible occurrence of dilatational modulus synergism was probed from two perspectives: one for a fixed total surfactant concentration and the other for a fixed interfacial tension. The aqueous pH was found to have a controlling effect on both interfacial tension synergism and the dilatational modulus synergism. The conditions for interfacial tension synergism coincided with those for the storage modulus synergism: both tension and storage modulus synergisms were observed under all conditions tested at pH 7 where PA was mostly deprotonated, for both perspectives examined, but not for any conditions tested at pH 3 where PA is mostly protonated. The loss modulus synergism exhibited more complex behaviors, such as frequency and interfacial tension dependences, but again was only observed at pH 7. The tension and modulus synergism at pH 7 were attributed to the increased attraction between ionized PA and cationic TTAB and the formation of catanionic complexes at the oil/water interface.
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Affiliation(s)
- Tsung-Lin Hsieh
- Center for Complex Fluids Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
- Department of Chemical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Stephen Law
- Center for Complex Fluids Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
- Department of Chemical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Stephen Garoff
- Center for Complex Fluids Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
- Department of Physics, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Robert D Tilton
- Center for Complex Fluids Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
- Department of Chemical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
- Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
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Okada M, Sumino Y, Ito H, Kitahata H. Spontaneous deformation and fission of oil droplets on an aqueous surfactant solution. Phys Rev E 2020; 102:042603. [PMID: 33212589 DOI: 10.1103/physreve.102.042603] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Accepted: 09/08/2020] [Indexed: 11/07/2022]
Abstract
We investigated the spontaneous deformation and fission of a tetradecane droplet containing palmitic acid (PA) on a stearyltrimethylammonium chloride (STAC) aqueous solution. In this system, the generation and rupture of the gel layer composed of PA and STAC induce the droplet deformation and fission. To investigate the characteristics of the droplet-fission dynamics, we obtained the time series of the number of the droplets produced by fission and confirmed that the number has a peak at a certain STAC concentration. Since the fission of the droplet should be led by the deformation, we analyzed four parameters which may relate to the fission dynamics from the spatiotemporal correlation of the droplet-boundary velocity. We found that the parameter which corresponds to the expansion speed had the strongest positive correlation among them, and thus we concluded that the faster deformation would be the key factor for the fission dynamics.
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Affiliation(s)
- Masahide Okada
- Department of Physics, Chiba University, Chiba 263-8522, Japan
| | - Yutaka Sumino
- Department of Applied Physics, Tokyo University of Science, Tokyo 125-8585, Japan.,W-FST, I2 Plus, and DCIS, RIST, Tokyo University of Science, Tokyo 125-8585, Japan
| | - Hiroaki Ito
- Department of Physics, Chiba University, Chiba 263-8522, Japan
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Wagatsuma S, Higashi T, Sumino Y, Achiwa A. Pattern of a confined chemical garden controlled by injection speed. Phys Rev E 2017; 95:052220. [PMID: 28618586 DOI: 10.1103/physreve.95.052220] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Indexed: 05/06/2023]
Abstract
Pattern of confined chemical garden was controlled by the speed of injected fluid, and their mechanism is discussed. A confined chemical garden system was constructed where an aqueous solution of cobalt chloride was injected into a cell filled with sodium silicate solution. The reaction of these two solutions resulted in the formation of precipitation. The viscosities of the prepared aqueous solutions were set to be similar in order to rule out the possibility of Saffman-Taylor instability. The injection front showed three distinctive patterns: algaes, shells, and filaments, which were dependent on injection speed. The injection pressure and the spatio-temporal pattern of the injected fluid were measured, and a significant increase in the injection pressure was observed when the filament pattern appeared, which indicated the existence of thin lubrication layer between the precipitation and the substrate. The filament pattern was further analyzed quantitatively, and the number of active filaments was determined to be proportional to the injection speed. A mathematical model was constructed that considered both the viscous effect from the thin lubrication layer and the Laplace pressure. This model successfully reproduced the characteristic filament dynamics.
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Affiliation(s)
- Shu Wagatsuma
- Department of Applied Physics, Tokyo University of Science, Tokyo 125-8585, Japan
| | - Takuro Higashi
- Department of Applied Physics, Tokyo University of Science, Tokyo 125-8585, Japan
| | - Yutaka Sumino
- Department of Applied Physics, Tokyo University of Science, Tokyo 125-8585, Japan
| | - Ayumi Achiwa
- Department of Education, Aichi University of Education, Aichi 448-8542, Japan
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