1
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Sarkar S, Singh K, Shenoy K. The shape shapes the interfacial liquid-liquid mass transfer: CFD simulations for single spherical and ellipsoidal drops. Chem Eng Sci 2022. [DOI: 10.1016/j.ces.2022.118240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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2
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Numerical simulation of the Marangoni flow on mass transfer from single droplet with different Reynolds numbers. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.128385] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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3
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Alam MJ, Nirmalkar N, Gupta AK. Stability criteria and convective mass transfer from the falling spherical drops, part
II
:
Herschel‐Bulkley
fluids. CAN J CHEM ENG 2022. [DOI: 10.1002/cjce.24372] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Md J. Alam
- Department of Chemical Engineering Indian Institute of Technology Ropar India
| | - N. Nirmalkar
- Department of Chemical Engineering Indian Institute of Technology Ropar India
| | - A. K. Gupta
- Department of Chemical and Biochemical Engineering Indian Institute of Technology Patna India
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4
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Zhang J, Li W, Mumford K, Fei W, Stevens G, Wang Y. Drop sizes and population balance model for a Karr column. AIChE J 2021. [DOI: 10.1002/aic.17413] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jiyizhe Zhang
- The State Key Laboratory of Chemical Engineering, Department of Chemical Engineering Tsinghua University Beijing China
- Department of Chemical Engineering The University of Melbourne Melbourne Victoria Australia
| | - Wen Li
- Department of Chemical Engineering The University of Melbourne Melbourne Victoria Australia
| | - Kathryn Mumford
- Department of Chemical Engineering The University of Melbourne Melbourne Victoria Australia
| | - Weiyang Fei
- The State Key Laboratory of Chemical Engineering, Department of Chemical Engineering Tsinghua University Beijing China
| | - Geoffrey Stevens
- Department of Chemical Engineering The University of Melbourne Melbourne Victoria Australia
| | - Yundong Wang
- The State Key Laboratory of Chemical Engineering, Department of Chemical Engineering Tsinghua University Beijing China
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5
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Saien J, Razi Asrami M. Comparative studies on the performance of ionic liquid and conventional solvent drops in extraction of phenol from water. Chem Eng Res Des 2021. [DOI: 10.1016/j.cherd.2020.12.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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6
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Zhang J, Wang Y, Stevens GW, Fei W. A state-of-the-art review on single drop study in liquid–liquid extraction: Experiments and simulations. Chin J Chem Eng 2019. [DOI: 10.1016/j.cjche.2019.03.025] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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7
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Salehi MS, Afshin H, Firoozabadi B. Numerical investigation of dynamics of drop motion using lattice Boltzmann method. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.111926] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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8
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An experimental study on single drop rising in a low interfacial tension liquid–liquid system. Chem Eng Res Des 2019. [DOI: 10.1016/j.cherd.2019.06.024] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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9
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Study on droplet velocity in a pulsed sieve plate extraction column by four-sensor optical fiber probe. Chem Eng Res Des 2019. [DOI: 10.1016/j.cherd.2019.02.031] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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10
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Roshdi S, Kasiri N, Rahbar-Kelishami A. Simulation of Marangoni convection effects on the hydrodynamics of liquid–liquid extraction drops. CHEM ENG COMMUN 2019. [DOI: 10.1080/00986445.2018.1564665] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Sepideh Roshdi
- Computer Aided Process Engineering Center, School of Chemical Oil, and Gas Engineering, Iran University of Science & Technology, Narmak, Tehran, Iran
| | - Norollah Kasiri
- Computer Aided Process Engineering Center, School of Chemical Oil, and Gas Engineering, Iran University of Science & Technology, Narmak, Tehran, Iran
| | - Ahmad Rahbar-Kelishami
- School of Chemical, Oil, and Gas Engineering, Iran University of Science & Technology (IUST), Narmak, Tehran, Iran
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11
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Roshdi S, Kasiri N, Rahbar-Kelishami A. VOF SIMULATION OF SINGLE RISING DROPS IN THREE LIQUID-LIQUID EXTRACTION SYSTEMS USING CSF AND CSS INTERFACIAL FORCE MODELS. BRAZILIAN JOURNAL OF CHEMICAL ENGINEERING 2018. [DOI: 10.1590/0104-6632.20180354s20170609] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- S. Roshdi
- Iran University of Science & Technology, Iran
| | - N. Kasiri
- Iran University of Science & Technology, Iran
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12
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Faulde M, Siemes E, Wöll D, Jupke A. Fluid Dynamics of Microgel-Covered Drops Reveal Impact on Interfacial Conditions. Polymers (Basel) 2018; 10:E809. [PMID: 30960734 PMCID: PMC6403636 DOI: 10.3390/polym10080809] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Revised: 07/18/2018] [Accepted: 07/21/2018] [Indexed: 11/17/2022] Open
Abstract
Microgels are deformable polymer-networks with conspicuous properties. Their surface- activity associated with their switchability makes their application in liquid-liquid systems, such as extraction processes, particularly promising. For their application as switchable stabilizers at the interface, a detailed understanding of their impact on process relevant phenomena, such as the sedimentation behavior, is necessary. So far, the focus of research has been on microscopic-scale properties, whereby the propagation to macroscopic effects has rarely been quantified. In this study, single microgel-covered n-butyl acetate drops rising in a quiescent continuous water phase are investigated experimentally. The dependency of the microgel properties, in terms of size and cross-linking density, on the fluid dynamics are addressed. The impact of microgels is studied in detail by sedimentation velocity, drop deformation and the resulting drag coefficient. The deformation of drops is related to shape conserving interfacial properties such as the interfacial tension. Counter to our expectations, microgel-covered drops deform less than the drops of the pure system although microgels reduce the interfacial tension. Moreover, the sedimentation velocity is of special interest, since it reveals the mobility of the interface and friction conditions at the interface. Our results demonstrate the correlation between microgel properties at the interface on a microscopic scale and the macroscopic behavior of microgel-covered drops.
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Affiliation(s)
- Miriam Faulde
- Fluid Process Engineering, AVT⁻Aachener Verfahrenstechnik, RWTH Aachen University, Forckenbeckstrasse 51; D⁻52074 Aachen, Germany.
| | - Eric Siemes
- Institute of Physical Chemistry⁻IPC, RWTH Aachen University, Landoltweg 2; D⁻52074 Aachen, Germany.
| | - Dominik Wöll
- Institute of Physical Chemistry⁻IPC, RWTH Aachen University, Landoltweg 2; D⁻52074 Aachen, Germany.
| | - Andreas Jupke
- Fluid Process Engineering, AVT⁻Aachener Verfahrenstechnik, RWTH Aachen University, Forckenbeckstrasse 51; D⁻52074 Aachen, Germany.
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13
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Modelling and numerical simulation of coupled transport phenomena with phase change: Layer evaporation of a binary mixture. Chem Eng Sci 2018. [DOI: 10.1016/j.ces.2017.10.040] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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14
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Huang ZQ, Wang H. VOF Simulation Studies on Single Droplet Fluid Dynamic Behavior in Liquid–Liquid Flow Process. JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 2018. [DOI: 10.1252/jcej.17we120] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Zhe Qing Huang
- Department of Chemical Engineering, School of Chemical Engineering and Technology, Xi’an Jiaotong University, Xi’an, Shaanxi 710049, PR China
| | - Huizhi Wang
- Department of Chemical Engineering, School of Chemical Engineering and Technology, Xi’an Jiaotong University, Xi’an, Shaanxi 710049, PR China
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15
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Kögl T, Arlt W. Tomographische Messtechnik zur Visualisierung von Einzeltropfen in Extraktionskolonnen. CHEM-ING-TECH 2017. [DOI: 10.1002/cite.201700027] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Thilo Kögl
- Friedrich-Alexander-Universität Erlangen-Nürnberg; Lehrstuhl für Thermische Verfahrenstechnik; Egerlandstraße 3 91058 Erlangen Deutschland
| | - Wolfgang Arlt
- Friedrich-Alexander-Universität Erlangen-Nürnberg; Lehrstuhl für Thermische Verfahrenstechnik; Egerlandstraße 3 91058 Erlangen Deutschland
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16
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Khadamkar HP, Patwardhan AW, Mathpati CS. Computational Fluid Dynamics Simulations of Single Drops in Confined Geometries. Ind Eng Chem Res 2017. [DOI: 10.1021/acs.iecr.7b00443] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Hrushikesh P. Khadamkar
- Department
of Chemical Engineering, Institute of Chemical Technology, Matunga, Mumbai 400 019, India
| | - Ashwin W. Patwardhan
- Department
of Chemical Engineering, Institute of Chemical Technology, Matunga, Mumbai 400 019, India
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17
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Saien J, Kharazi M. A comparative study on the interface behavior of different counter anion long chain imidazolium ionic liquids. J Mol Liq 2016. [DOI: 10.1016/j.molliq.2016.04.028] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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18
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Saien J, Kharazi M, Asadabadi S. Adsorption behavior of long alkyl chain imidazolium ionic liquids at the n-butyl acetate + water interface. J Mol Liq 2015. [DOI: 10.1016/j.molliq.2015.08.056] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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19
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Lekhlifi A, Fanzar A, Antoni M. A numerical investigation on the drainage of a surfactant-modified water droplet in paraffin oil. Adv Colloid Interface Sci 2015; 222:446-60. [PMID: 25772623 DOI: 10.1016/j.cis.2015.02.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2014] [Revised: 02/16/2015] [Accepted: 02/16/2015] [Indexed: 10/24/2022]
Abstract
A volume of fluid approach is used in numerical simulations of the settling motion of a surfactant modified water droplet in a continuous paraffin oil phase. The droplet is millimeter-sized and confined in a square two dimensional domain. The surfactant interfacial and bulk concentration-equations are solved together with the incompressible Navier-Stokes equation. The role of boundary walls in the overall settling dynamics is described. As the droplet moves downwards the interfacial shear creates non-homogeneous interfacial surfactant concentrations and Marangoni driven phenomena come into play. A decrease of the drainage velocity is then evidenced indicating that buoyancy forces are counter balanced by Marangoni induced lift-forces. The lateral migration of the droplet due to boundary wall proximity is discussed. It is shown to increase with wall proximity and to decrease when increasing the interfacial concentration. Finally, a simplified model is used to investigate the evolution of the bulk concentration assuming the surfactant is insoluble in paraffin oil and poorly soluble in water.
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20
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Rao A, Reddy RK, Valsaraj KT, Nandakumar K, Pandey S, Wu C. Influence of unsteady mass transfer on dynamics of rising and sinking droplet in water: Experimental and CFD study. AIChE J 2014. [DOI: 10.1002/aic.14612] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Abhijit Rao
- Cain Dept. of Chemical Engineering, Louisiana State University; Baton Rouge LA 70802
| | - Rupesh K. Reddy
- Cain Dept. of Chemical Engineering, Louisiana State University; Baton Rouge LA 70802
| | - Kalliat T. Valsaraj
- Cain Dept. of Chemical Engineering, Louisiana State University; Baton Rouge LA 70802
| | | | - Shashank Pandey
- Dept. of Chemical Engineering, Indian Institute of Technology; Kharagpur West Bengal 721302 India
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21
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Engberg RF, Wegener M, Kenig EY. The impact of Marangoni convection on fluid dynamics and mass transfer at deformable single rising droplets – A numerical study. Chem Eng Sci 2014. [DOI: 10.1016/j.ces.2014.04.023] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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22
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Engberg RF, Wegener M, Kenig EY. The influence of Marangoni convection on fluid dynamics of oscillating single rising droplets. Chem Eng Sci 2014. [DOI: 10.1016/j.ces.2014.05.047] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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23
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Villwock J, Gebauer F, Kamp J, Bart HJ, Kraume M. Systematic Analysis of Single Droplet Coalescence. Chem Eng Technol 2014. [DOI: 10.1002/ceat.201400180] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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24
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Pawelski A, Jeon SJ, Hong WH, Paschedag AR, Kraume M. Interaction of a homogeneous chemical reaction and mass transfer in a single moving droplet. Chem Eng Sci 2013. [DOI: 10.1016/j.ces.2013.08.045] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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25
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Engberg R, Wegener M, Kenig E. Numerische Simulation der konzentrationsinduzierten Marangoni-Konvektion an Einzeltropfen mit verformbarer Phasengrenze. CHEM-ING-TECH 2013. [DOI: 10.1002/cite.201300064] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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