Academic literature on the topic 'Oil coalescence'

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Journal articles on the topic "Oil coalescence"

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Xu, Danyun, Ling Zhu, Ziyu Yang, Jiale Gao, and Man Jin. "Parameter Optimization of Catering Oil Droplet Electrostatic Coalescence under Coupling Field with COMSOL Software." Atmosphere 13, no. 5 (2022): 780. http://dx.doi.org/10.3390/atmos13050780.

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At present, the common cooking fume purification devices are mostly based on electrostatic technology. There are few researches on the microscopic process of coalescence and electric field parameters’ optimization. In this paper, COMSOL MultiphysicsTM was used to simulate the electrostatic coalescence of oil droplets in the coupling field of an electric field and flow field. The degree of deformation of oil droplets (D) and the starting coalescence time (tsc) were used to evaluate the coalescence process. The feasibility of the model was verified through experimental results. The effects of vo
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Zhang, Lei, Zhong Min Wang, Hai Tao Ma, Wei Gang Wang, and Jun Jie Yang. "The Reorganization Coalescence Oil-Removing Device and the Effect of Treating Polymer Flooding Produced Liquid." Advanced Materials Research 726-731 (August 2013): 1994–98. http://dx.doi.org/10.4028/www.scientific.net/amr.726-731.1994.

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In view of problem of the coalescence material jam and the demulsification lower by using the Coalescence oil-removing device which was using to treat high viscosity polymer flooding. The novel Coalescence oil-removing device was developed through the optimization of coalescence material and reasonable backwashing system designing, which can realize coalescence material regeneration and improve oil strains of coalescence effect. At the condition that polymer concentration was 426mg/L, pH=8.75, average oil was 365mg/L, suspended solid (SS) was 75mg/L; The oil of effluent can reach 50mg/L below,
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Chen, Shuai, Jiadao Wang, Chaolang Chen, and Awais Mahmood. "Understanding the coalescence and non-coalescence of underwater oil droplets." Chemical Physics 529 (January 2020): 110466. http://dx.doi.org/10.1016/j.chemphys.2019.110466.

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Anand, Vikky, Subhankar Roy, Vijay M. Naik, Vinay A. Juvekar, and Rochish M. Thaokar. "Electrocoalescence of a pair of conducting drops in an insulating oil." Journal of Fluid Mechanics 859 (November 26, 2018): 839–50. http://dx.doi.org/10.1017/jfm.2018.849.

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The effect of an electric field on the coalescence of two water drops suspended in an insulating oil is investigated. We report four new results. (i) The cone angle for the non-coalescence of drops can be significantly smaller (as small as $19^{\circ }$) than the value of $30.8^{\circ }$ reported by Bird et al. (Phys. Rev. Lett., vol. 103 (16), 2009, 164502). (ii) A surprising observation of the dependence of the mode of coalescence/non-coalescence on the type of insulating oil is seen. A cone–cone mode for silicone oil is observed as against cone–dimple mode for castor oil. (iii) The critical
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Taboada, Martha, Nico Leister, Heike Karbstein, and Volker Gaukel. "Influence of the Emulsifier System on Breakup and Coalescence of Oil Droplets during Atomization of Oil-In-Water Emulsions." ChemEngineering 4, no. 3 (2020): 47. http://dx.doi.org/10.3390/chemengineering4030047.

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Spray drying of whey protein-based emulsions is a common task in food engineering. Lipophilic, low molecular weight emulsifiers including lecithin, citrem, and mono- and diglycerides, are commonly added to the formulations, as they are expected to improve the processing and shelf life stability of the products. During the atomization step of spray drying, the emulsions are subjected to high stresses, which can lead to breakup and subsequent coalescence of the oil droplets. The extent of these phenomena is expected to be greatly influenced by the emulsifiers in the system. The focus of this stu
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Barman, Jitesh, Arun Kumar Nagarajan, and Krishnacharya Khare. "Controlled electro-coalescence/non-coalescence on lubricating fluid infused slippery surfaces." RSC Advances 5, no. 128 (2015): 105524–30. http://dx.doi.org/10.1039/c5ra21936a.

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Leister, Nico, and Heike Petra Karbstein. "Determination of the Dominating Coalescence Pathways in Double Emulsion Formulations by Use of Microfluidic Emulsions." Processes 11, no. 1 (2023): 234. http://dx.doi.org/10.3390/pr11010234.

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In water-in-oil-in-water (W1/O/W2) double emulsions several irreversible instability phenomena lead to changes. Besides diffusive processes, coalescence of droplets is the main cause of structural changes. In double emulsions, inner droplets can coalesce with each other (W1–W1 coalescence), inner droplets can be released via coalescence (W1–W2 coalescence) and oil droplets can coalesce with each other (O–O coalescence). Which of the coalescence pathways contributes most to the failure of the double emulsion structure cannot be determined by common measurement techniques. With monodisperse doub
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Liu, Shasha, Hengming Zhang, and Shiling Yuan. "Hydrophilic Silica Nanoparticles in O/W Emulsion: Insights from Molecular Dynamics Simulation." Molecules 27, no. 23 (2022): 8407. http://dx.doi.org/10.3390/molecules27238407.

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Previous studies have been carried out on the effect of silica nanoparticles (SNPs) on the stability of oil–water emulsions. However, the combining configuration of SNPs and oil droplets at the molecular level and the effect of SNP content on the coalescence behavior of oil droplets cannot be obtained through experiments. In this paper, molecular dynamics (MD) simulation was performed to investigate the adsorption configuration of hydrophilic SNPs in an O/W emulsion system, and the effect of adsorption of SNPs on coalescence of oil droplets. The simulation results showed: (i) SNPs adsorbed on
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Wang, Fei, Lin Wang, Guoding Chen, and Donglei Zhu. "Numerical Simulation of the Oil Droplet Size Distribution Considering Coalescence and Breakup in Aero-Engine Bearing Chamber." Applied Sciences 10, no. 16 (2020): 5648. http://dx.doi.org/10.3390/app10165648.

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In order to improve the inadequacy of the current research on oil droplet size distribution in aero-engine bearing chamber, the influence of oil droplet size distribution with the oil droplets coalescence and breakup is analyzed by using the computational fluid dynamics-population balance model (CFD-PBM). The Euler–Euler equation and population balance equation are solved in Fluent software. The distribution of the gas phase velocity field and the volume fraction of different oil droplet diameter at different time are obtained in the bearing chamber. Then, the influence of different initial oi
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Kalogianni, Eleni P., Despoina Georgiou, and Stylianos Exarhopoulos. "Olive oil droplet coalescence during malaxation." Journal of Food Engineering 240 (January 2019): 99–104. http://dx.doi.org/10.1016/j.jfoodeng.2018.07.017.

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Dissertations / Theses on the topic "Oil coalescence"

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Stoyel, Jason Alexander. "Fundamentals of drop coalescence in crude oil." Thesis, Imperial College London, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.312176.

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Eow, John Son. "Electrostatic enhancement of coalescence of water drops in oil." Thesis, University of Surrey, 2002. http://epubs.surrey.ac.uk/842815/.

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Dispersed water drops in oils can cause detrimental effects. For example in refining and cracking of crude oil, poisoning of catalysts and equipment corrosion can be major problems due to the presence of water. Therefore there is a need to develop more efficient and cost-effective separators. The work in this thesis covers an investigation of the underlying electrostatic phenomena (i.e. drop-drop and drop-interface coalescence and drop deformation and break-up) leading to the development of compact electrocoalescer-separators. Using novel two-dimensional electrode systems, it is shown here tha
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Jayarajah, James Nirmal. "Coalescence and filtration of emulsions using fibres." Thesis, Imperial College London, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.343600.

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Teare, Declan O. H. "Cross-linked 'silicone oil'/water emulsions." Thesis, University of Bristol, 1997. http://hdl.handle.net/1983/0b48bef9-20fa-4ff4-a903-94c567606303.

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Kufås, Eirik. "Mathematical Modeling of Coalescence of Oil Droplets in Water Flow." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for energi- og prosessteknikk, 2008. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-12879.

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Liquid-liquid coalescers are devices used for increasing the droplet size of the dispersed phase in continuous phase flow, such as oil droplets in water flow. The efficiency of separation technologies is strongly dependent on the droplet size, which is desirable to shift into larger droplet diameters. Theory behind coalescence and its modeling is studied in this Maser’s thesis. Aker Process Systems AS, Division of Advanced Separation Technology, provided the assignment proposal.The scope of this work is a literature study on the coalescence phenomenon and the closely related break-up phenomeno
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Angle, Chandrawatee W. "Stability of heavy oil emulsions in turbulent flow and different chemical environments." Thesis, University of Manchester, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.547848.

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Nassif, Merhej-Marc. "Developing critical coalescence concentration curves using dilution and determining frother-like properties of oil sands process water." Thesis, McGill University, 2014. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=121253.

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In flotation, the rate with which mineral particles are recovered is governed by the bubbles generated. The smaller the bubbles, the more surface area is available for transport to the froth zone. Surface-active species, known as frothers, are commonly added to help produce small bubbles in flotation. They are believed to act by coalescence prevention and have different characteristics based on their chemical and structural formulas. Many methods have been developed to categorize the classes of frothers, describing different behaviours and material constants. One such method is the critical co
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Osei-Bonsu, Kofi. "Foam-facilitated oil displacement in porous media." Thesis, University of Manchester, 2017. https://www.research.manchester.ac.uk/portal/en/theses/foamfacilitated-oil-displacement-in-porous-media(f2b2e93b-3a9b-41fa-a841-f81b271e8fad).html.

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Foam flow in porous media is important for many industrial operations such as enhanced oil recovery, remediation of contaminated aquifers and CO2 sequestration. The application of foam in these processes is due to its unique ability to reduce gas mobility and to divert gas to low permeability zones in porous media which otherwise would not be reached. To achieve optimum success with foam as a displacing fluid in oil recovery and remediation operations, it is essential to understand how different parameters influence foam flow in porous media. In this thesis, a variety of experimental technique
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Kulkarni, Prashant S. "Mixed Hydrophilic/Hydrophobic Fiber Media for Liquid-Liquid Coalescence." University of Akron / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=akron1310686055.

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Srđan, Sokolović. "Istovremeni uticaj permeabilnosti sloja, prečnika vlakna i ulazne koncentracije uljne faze na separaciju mineralnih ulja iz otpadnih voda." Phd thesis, Univerzitet u Novom Sadu, Tehnološki fakultet Novi Sad, 2020. https://www.cris.uns.ac.rs/record.jsf?recordId=114057&source=NDLTD&language=en.

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Cilj ove doktorske disertacije je da dâ doprinos u proučavanju nedovoljno poznatih fenomena koalescentne filtracije, kako bi se smanjio obim potrebnih poluindustrijskih istraživanja prilikom projektovnja filtera za neku konkretnu primenu. Svi materijali korišćeni u ovoj doktorskoj disertaciji su otpadni materijali, čija primena kao filtarskog punjenja predstavlja poseban doprinos održivom razvoju. Jedan od ciljeva ove doktorske disertacije je proučavanje istovremenog uticaja promene permeabilnosti sloja i debljine vlakana na osobine sloja, pad pritiska i efikasnost separacije disp
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Books on the topic "Oil coalescence"

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Man, Chi Cheung. Drop sizes and coalescence rates in oil-in-aqueous and aqueous-in-oil dispersions in stirred vessels. University of Birmingham, 1998.

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Townson, Paul Stephen. Batch coalescence of water-in-oil dispersions using electrostatic fields. 1986.

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Book chapters on the topic "Oil coalescence"

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Isaacs, E. E., H. Huang, R. S. Chow, and A. J. Babchin. "Coalescence Behavior of Water-in-Oil Emulsions." In Particle Technology and Surface Phenomena in Minerals and Petroleum. Springer US, 1991. http://dx.doi.org/10.1007/978-1-4899-0617-5_11.

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Fletcher, Paul D. I., and D. Parrott. "Water Droplet Coalescence Rates in Water-in-Oil Microemulsions." In Reactions in Compartmentalized Liquids. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-74787-8_6.

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Hafsi, Zahreddine, Sami Elaoud, Manoranjan Mishra, and Ines Wada. "Numerical Study of Droplets Coalescence in an Oil-Water Separator." In Lecture Notes in Mechanical Engineering. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-52071-7_61.

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Ye, A., H. Singh, and Y. Hemar. "Coalescence of oil droplets in oil-in-water emulsions formed with highly hydrolysed whey proteins as influenced by xanthan addition." In Special Publications. Royal Society of Chemistry, 2009. http://dx.doi.org/10.1039/9781847551214-00415.

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Liu, Bing, Qixuan Sun, Zhen Wu, et al. "Research on the Factors Affecting the Collision and Coalescence of Microbubbles and Oil Droplets in a Rotating Flow Field." In Advanced Manufacturing and Automation XII. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-9338-1_64.

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Viraraghavan, T., H. K. Henning, F. Mourits, and R. Ranganathan. "Coalescence/Filtration of Water-In-Oil Emulsions." In Proceedings of the 43rd Industrial Waste Conference May 10, 11, 12, 1988. CRC Press, 2018. http://dx.doi.org/10.1201/9781351076012-51.

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Boode, K., and P. Walstra. "Kinetics of Partial Coalescence in Oil-in-Water Emulsions." In Food Colloids and Polymers. Elsevier, 2005. http://dx.doi.org/10.1533/9781845698270.23.

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Sæther, Øystein, Johan Sjöblom, and Stanislav Dukhin. "Droplet Flocculation and Coalescence in Dilute Oil-in-Water Emulsions." In Food Emulsions. CRC Press, 2003. http://dx.doi.org/10.1201/9780203913222.ch5.

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Sakai, Toshio, Keiji Kamogawa, Fuminori Harusawa, Nobuyuki Momozawa, Hideki Sakai, and Masahiko Abe. "Influence of Oil Droplet Size on Flocculation/Coalescence in Surfactant-Free Emulsion." In Studies in Surface Science and Catalysis. Elsevier, 2001. http://dx.doi.org/10.1016/s0167-2991(01)82058-9.

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Gupta, P. "Nanoemulsions: Preparation, Properties and Applications." In Emerging Nanomaterials and Their Impact on Society in the 21st Century. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902172-9.

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In the last few decades, Nanoemulsions (NE) have gained significant interest among researchers because of their improved functional properties in comparison to emulsions. These include significant properties such as optical and rheological properties, coalescence, flocculation etc. It also shows excellent kinetic and thermodynamic stability. These NEs have been used in a variety of applications such as food, cosmetic and oil industries, preservatives, antimicrobial agent, in different drug delivery systems, cell culture technology etc. The chapter focuses on the various synthesis methods of Nanoemulsions. This will also provide insight about the important and useful properties. Applications in a variety of disciplines have also been discussed in detail.
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Conference papers on the topic "Oil coalescence"

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Mansouri, A., H. Arabnejad, and R. S. Mohan. "Numerical Investigation of Droplet-Droplet Coalescence and Droplet-Interface Coalescence." In ASME 2014 4th Joint US-European Fluids Engineering Division Summer Meeting collocated with the ASME 2014 12th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/fedsm2014-21642.

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The oil produced from offshore reservoirs normally contains considerable amount of water. The separation of water from oil is very crucial in petroleum industry. Studying the coalescence of two droplets or one droplet and interface can lead to better understanding of oil-water separation process. In this study, the coalescence of two droplets and droplet-interface are simulated using a commercial Computational Fluid Dynamics (CFD) code FLUENT 14. In order to track the interface of two fluids, two approaches, Volume of Fluid (VOF) and Level-Set method were utilized. The results are compared wit
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Hafskjold, Bjorn, Thomas B. Morrow, Harald K. B. Celius, and David R. Johnson. "Drop-Drop Coalescence In Oil/Water Separation." In SPE Annual Technical Conference and Exhibition. Society of Petroleum Engineers, 1994. http://dx.doi.org/10.2118/28536-ms.

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Xu, Haobo. "Poster: Droplet coalescence on oil-impregnated surfaces." In 75th Annual Meeting of the APS Division of Fluid Dynamics. American Physical Society, 2022. http://dx.doi.org/10.1103/aps.dfd.2022.gfm.p0041.

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Yuan, Shuxia, Ramin Dabirian, Ram S. Mohan, and Ovadia Shoham. "Simulation of Coalescence and Breakup of Dispersed Water Droplets in Continuous Oil Phase." In ASME 2018 5th Joint US-European Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/fedsm2018-83314.

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Petroleum industry uses shear devices such as chokes, valves, orifices and pumps, which cause droplet coalescence and breakup making the downstream separation process very challenging. Droplet-droplet coalescence leads to formation of larger droplets, which accelerate the phase separation, whereas the breakup of larger droplets into smaller ones delays the separation process. Computational Fluid Dynamic (CFD) simulations are conducted by ANSYS-Fluent software to track the droplet breakup and droplet-droplet coalescence, where the interfaces between the two phases are tracked by the Volume of F
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Ortega, P., G. McGrath, G. Nunez, and D. Joseph. "Device for Testing the Dynamic Stability of Highly Concentrated Emulsions against Coalescence." In SPE International Thermal Operations and Heavy Oil Symposium. Society of Petroleum Engineers, 2001. http://dx.doi.org/10.2118/69729-ms.

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Raisin, J., P. Atten, F. Aitken, and J. L. Reboud. "Electrically induced coalescence of two facing anchored water drops in oil." In 2008 IEEE International Conference on Dielectric Liquids (ICDL 2008). IEEE, 2008. http://dx.doi.org/10.1109/icdl.2008.4622467.

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botti, talita, Marcio CARVALHO, and Erick Quintella. "EFFECT OF INTERFACE RHEOLOGY ON DROP COALESCENCE IN WATER-OIL EMULSION." In 18th Brazilian Congress of Thermal Sciences and Engineering. ABCM, 2020. http://dx.doi.org/10.26678/abcm.encit2020.cit20-0556.

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Adeyemi, Idowu, Nabil Kharoua, Mahmoud Meribout, Khalid AlHammadi, and Lyes Khezzar. "Online Microwave Assisted Coalescence of Binary Water Drops in Crude Oil." In 2022 International Conference on Electrical and Computing Technologies and Applications (ICECTA). IEEE, 2022. http://dx.doi.org/10.1109/icecta57148.2022.9990404.

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Widyaparaga, Adhika, Muhamad Hanif Ramadhan, Fakhri Ilham Faza, et al. "Induced oil droplet coalescence influence on watercut improvement of liquid-liquid cylindrical cyclone (LLCC) oil-water separator." In ADVANCED MATERIALS: Proceedings of the International Workshop on Advanced Materials (IWAM-2017). Author(s), 2018. http://dx.doi.org/10.1063/1.5049978.

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Amarzguioui, Morad, and Per Christian Jacobsen. "Novel use of Electro Coalescence to Enhance, Optimize and Debottleneck Oil Separation Trains." In SPE Annual Technical Conference and Exhibition. Society of Petroleum Engineers, 2015. http://dx.doi.org/10.2118/174763-ms.

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