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TECHNICAL PAPERS

Oil-Water Separation in a Novel Liquid-Liquid Cylindrical Cyclone (LLCC©) Compact Separator—Experiments and Modeling

[+] Author and Article Information
C. Oropeza-Vazquez, E. Afanador, L. Gomez, S. Wang, R. Mohan, O. Shoham

The University of Tulsa, 600 S. College Ave., Tulsa, OK 74104

G. Kouba

Senior Staff Research Scientist, ChevronTexaco Energy Technology Company, 2811 Hayes Road, Houston, TX 77082

J. Fluids Eng 126(4), 553-564 (Sep 10, 2004) (12 pages) doi:10.1115/1.1777233 History: Received May 27, 2003; Revised January 13, 2004; Online September 10, 2004
Copyright © 2004 by ASME
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References

Listewnik, J., 1984, “Some Factors Influencing the Performance of De-Oiling Hydrocyclones for Marine Applications,” Second International Conference on Hydrocyclones, England, September 19–21.
Gay, J. C., Triponey, G., Bezard, C. and Schummer, P., 1987, “Rotary Cyclone Will Improve Oily Water Treatment and Reduce Space Requirement/Weight on Offshore Platforms,” SPE 16571.
Bednarski, S. and Listewnik, J, 1988, “Hydrocyclones for Simultaneous Removal of Oil and Solid Particles from Ships’ Oily Waters,” Filtration and Separation, pp. 92–97.
Seyda, B., 1991, “Separation of a Light Dispersion in a Cylindrical Vortex Chamber,” Report, Michigan State University.
Afanador E., 1999, “Oil-Water Separation in Liquid-Liquid Cylindrical Cyclone Separators,” M.S. Thesis, The University of Tulsa.
Mathiravedu, R. S., 2001, “Design, Performance and Control Strategy Development of Liquid-Liquid Cylindrical Cyclone (LLCC) Separator,” M. S. Thesis, The University of Tulsa.
Oropeza-Vazquez, C., 2001, “Multiphase Flow Separation in Liquid-Liquid Cylindrical Cyclone and Gas-Liquid-Liquid Cylindrical Cyclone Compact Separators,” Ph.D. Dissertation, The University of Tulsa.
Contreras, W., 2002, “The Effect of Inlet Gas Void Fraction on the Performance of Liquid-Liquid Cylindrical Cyclone (LLCC© ) Separator,” M. S. Thesis, The University of Tulsa.
Trallero, J. L., 1995, “Oil-Water Flow Patterns in Horizontal Pipes,” Ph.D. Dissertation, The University of Tulsa.
Hinze,  J. O., 1955, “Fundamentals of the Hydrodynamic Mechanism of Splitting in Dispersion Processes,” AIChE J., 1(3), pp. 289–295.
Levich, V. G., 1962, “Physicochemical Hydrodynamics,” Prentice Hall, Englewood Cliffs, N.J.
Erdal, F., 2001, “Local Measurements and Computational Fluid Dynamic Simulations in a Gas-Liquid Cylindrical Cyclone Separator,” Ph.D. Dissertation, The University of Tulsa.
Chang,  F., and Dhir,  V. K., 1995, “Mechanisms of Heat Transfer Enhancement and Slow Decay of Swirl in Tubes Using Tangential Injection,” Int. J. Heat Fluid Flow, 16(2), pp. 78–87.
Mantilla,  I., Shirazi,  S. A., and Shoham,  O., 1999, “Flow Field Prediction and Bubble Trajectory Model in GLCC Separators,” Proceedings of the ASME Energy Resources Technology Conference and Exhibition, ETCE, Houston, TX, February 1-2 1999, ASME J. Energy Resour. Technol., 121, pp. 9–14.
Crowe, C. T., Sommerfeld, M. and Tsuji, Y., 1998, “Multiphase Flows with Droplets and Particles,” CRC Press, Boca Raton, FL.
Karabelas,  A. J., 1978, “Droplet Size Spectra Generated in Turbulent Pipe Flow of Dilute Liquid-Liquid Dispersions,” AIChE J., 24(2), pp. 170–180.

Figures

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Schematic of GLCC and LLCC Separation System
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Schematic of LLCC Test Section
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Photograph of LLCC Test Section
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Horizontal Inlet Flow Patterns
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Experimental Flow Pattern Map for LLCC Inlet
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LLCC Separation Behavior as a Function of the Split-Ratio (vSW=0.1 m/s,vSO=0.05 m/s)
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Experimental Results for Stratified Flow
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Experimental Results for Double DO/W Flow
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Schematic of LLCC Mechanistic Model
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Comparison between Modified Trallero (1995) Model and Experimental Data
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Stratified Flow Model Geometry and Variables
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Nozzle Schematic and Variables
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Local Split at Entry Region and Fluid Transfer for qunder>q50
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Rosin-Rammler Droplet Size Distribution
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Schematic of Water Leg Separation Calculation Procedure
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Comparison between Data and Model Predictions for Stratified Flow
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Comparison between Data and Model Predictions for DO/W and Water Layer Flow
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Comparison between Data and Model Predictions for Double DO/W Flow
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Comparison between Data and Model Predictions for DO/W Flow

Tables

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