X-ray tomography; Packed columns; High performance structured packings; Liquid Hold up distribution; Liquid maldistribution; Effective interfacial area
Abstract :
[en] In this paper, we report on the use of a high energy and high resolution X-ray tomograph to visualize and quantify the distribution of liquid hold up and of gas-liquid interfacial area in a 0.1m diameter column filled with MellapakPlus 752.Y packing elements. A standard air-water system at room temperature and atmospheric pressure was used. Tomographic measurements have been carried out in a large number of packing cross sections situated at different heights between the top and the bottom of the packed column, giving access to the evolution of axial profiles of liquid hold up and of gas-liquid interfacial area as a function of the operating conditions. Gas-liquid interfacial area values were also measured by a chemical method (CO2 absorption from air into a caustic solution). For the first time, a whole set of gas-liquid interfacial area values evaluated from tomographic images are interestingly compared with values measured by a chemical method. A comparison is also presented with literature models.
Disciplines :
Chemical engineering
Author, co-author :
Aferka, Saïd ; Université de Liège - ULiège > Département de chimie appliquée > Département de chimie appliquée
Viva, Aurora; Université de Liège - ULiège > Département dechimie appliquée > Laboratoire de Génie chimique
Brunazzi, Elisabetta; University of Pisa, > Department of Chemical Engineering (DICCISM)
Marchot, Pierre ; Université de Liège - ULiège > Département de chimie appliquée > Génie chimique - Systèmes polyphasiques
Crine, Michel ; Université de Liège - ULiège > Département de chimie appliquée > Génie chimique - Opérations physiques unitaires
Toye, Dominique ; Université de Liège - ULiège > Département de chimie appliquée > Génie de la réaction et des réacteurs chimiques
Language :
English
Title :
Tomographic measurement of liquid hold up and effective interfacial area distributions in a column packed with high performance structured packings
Publication date :
2011
Journal title :
Chemical Engineering Science
ISSN :
0009-2509
eISSN :
1873-4405
Publisher :
Pergamon Press - An Imprint of Elsevier Science, Oxford, United Kingdom
Volume :
66
Pages :
3413-3422
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
Action de Recherche Concertée : Advanced Experimental Techniques and Cellular Automaton Modelling of Multiphase Systems - Application to distillation and reactive distillation columns
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Bibliography
Adler S., Beaver E., Bryan P., Robinson S., Watson J. Vision 2020- Separations Roadmap 2000, American Institute of Chemical Engineers, New York.
Aferka S., Crine M., Saroha A.K., Toye D., Marchot P. In situ measurements of the static liquid hold up in Katapak-SP12 packed column using X-ray tomography. Chemical Engineering Science 2007, 62:6076-6080.
Aferka S., Marchot P., Crine M., Toye D. Interfacial area measurement in a catalytic distillation packing using high energy X-ray CT. Chemical Engineering Science 2010, 65:511-516.
Aferka S., Viva A., Brunazzi E., Marchot P., Crine M., Toye D. Liquid load point measurement in a reactive distillation packing by X-ray tomography. Canadian Journal of Chemical Engineering 2010, 88:611-617.
Alix P., Raynal L., Abbe F., Meyer M., Prevost M., Rouzineau D. Mass transfer and hydrodynamic characteristics of a new carbon packing: application to CO2 post-combustion capture. Chemical Engineering Research Design 2010, 10.1016/j.cherd.2010.09.023.
Behrens, M., 2006. Hydrodynamics and mass transfer performance of modular catalytic structured packing, Ph.D. Thesis, TU Delft.
Bender P., Moll A. Modifications to structured packings to increase their capacity. Transactions of the IChemE: Chemical Engineering Research and Design 2003, 81:58.
Billingham J.F., Lockett M.J. Development of a new generation of structured packings for distillation. Transactions of the IChemE: Chemical Engineering Research and Design 1999, 77:583.
Brunazzi E., Nardini G., Paglianti A., Petarca L. Interfacial area of mellapak packing: absorption of 1,1,1-trichloroethane by genosorb 300. Chemical Engineering and Technology 1995, 18:248-255.
Brunazzi, E., Paglianti, A., Spiegel, L., Tolaini, F., 2002. Hydrodynamics of a gas-liquid column equipped with MellapakPlus packing. In: Proceedings of the Seventh International Conference on Distillation and Absorption, Baden-Baden, DE, P6.17, pp. 1-18.
Charpentier J.C. Recent progress in two-phase gas-liquid mass transfer in packed beds. Chemical Engineering Journal 1976, 11:161-181.
Danckwerts P. Gas-liquid Reactions 1970, McGraw Hill, New York.
de Brito M.H., von Stockar U., Menendez Bangerter A., Bomio P., Laso M. Effective mass-transfer area in a pilot plant column equipped with structured packings and with ceramic rings. Industrial Engineering Chemistry and Research 1994, 33:647-656.
Duss, M., Menon, A., 2010. Optimized absorber design for post-combustion CCS. In: Proceedings of the Ninth Distillation and Absorption Conference, 12-15 September 2010, Eindhoven, The Netherlands, pp. 109-114.
Green C.W., Farone J., Briley J.K., Eldridge R.B., Ketcham A.R., Nigtingale B. Novel application of X-ray computed tomography: determination of gas/liquid contact area and liquid hold up in structured packing. Industrial Engineering Chemistry and Research 2007, 46:5734-5753.
Kolev N., Nakov S., Ljutzkanov L., Kolev D. Effective area of a highly efficient random packing. Chemical Engineering Processing 2006, 45:429-436.
Olujic Z., Seibert A.F., Fair J.R. Influence of corrugation geometry on the performance of structured packings: an experimental study. Chemical Engineering Processing 2000, 39:355.
Olujic, Z., Frey, G., Jansen, H., Kaibel, B., Rietfort, T., Zich, E., 2003. Distillation column internals related process intensification developments. In: Proceedings of the Sixth Italian Conference on Chemical and Process Engineering, June 2003, Pisa, Italy, in Chemical Engineering Transactions, vol. 3, pp. 367-372.
Olujic Z., Behrens M., Spiegel L. Experimental characterization and modelling of the performance of a large specific area high capacity structured packing. Industrial Engineering Chemistry and Research 2007, 46:883-893.
Olujic Z., Jödecke M., Shilkin A., Schuch G., Kaibel B. Equipment improvement trends in distillation. Chemical Engineering and Processing: Process Intensification 2009, 48:1089-1104.
Pohorecki R., Moniuk W. Kinetics of reaction between carbon dioxide and hydroxyl ions in aqueous electrolyte solutions. Chemical Engineering Science 1988, 43:1677-1684.
Rejl J.F., Linek V., Moucha T., Valenz L. Methods standardization in the measurement of mass-transfer characteristics in packed absorption columns. Chemical Engineering Research and Design 2009, 87:695-704.
Rocha J.A., Bravo J.L., Fair J.R. Distillation columns containing structured packings: a comprehensive model for their performance. 2: mass transfer model. Industrial Engineering Chemistry and Research 1996, 35:1660-1667.
Schmit C.E., Cartmel D.B., Eldridge R.B. The experimental application of X-ray tomography to a vapor-liquid contactor. Chemical Engineering Science 2001, 56:3431-3441.
Schmit C.E., Eldridge R.B. Investigation of X-ray imaging of vapor-liquid contactors. I: studies involving stationary object and a simple flow system. Chemical Engineering Science 2004, 59:1255-1266.
Schmit C.E., Perkins J., Eldridge R.B. Investigation of X-ray imaging of vapor-liquid contactors. 2: experiments and simulations of flows in an air-water contactor. Chemical Engineering Science 2004, 59:1267-1283.
Suess P., Spiegel L. Hold-up of mellapak structured packings. Chemical Engineering and Processing 1992, 31:119-124.
Spiegel L., Meier W. Distillation columns with structured packings in the next decade. Transactions of IChemE: Chemical Engineering Research Design 2003, 81:39.
Toye D., Crine M., Marchot P. Imaging of liquid distribution in reactive distillation packings with a new high energy X-ray tomograph. Measurement Science Technology 2005, 16:2213-2220.
Tsai, R.E., Seibert, F., Eldridge, R.B., Rochelle, G.T., 2010. A dimensionless model for predicting the mass transfer area of structured packing. A.I.Ch.E. Journal, 10.1002/aic.12345.
Viva, A., 2008. Experimental analysis and modelling of novel catalytic structured packing for reactive separation processes, Ph.D. thesis, University of Pisa.
Viva, A., Brunazzi, E., 2009. The influence of modular structure on the hydrodynamics of catalytic structured packings for reactive separation processes. In: Proceedings of the AIDIC Conference Series, vol. 9, pp. 345-353. doi:10.3303/ACOS0909040.
Viva, A., Aferka, S., Toye, D., Marchot, P., Crine, M., Brunazzi, E., 2010. Measurement of liquid hold-up in catalytic structured packings: comparison of different experimental techniques. In: Proceedings of the Ninth Distillation and Absorption Conference, 12-15 September 2010, Eindhoven, The Netherlands, pp. 599-604.
Weimer T., Schaber K. Ermittlung effektiver Phasengrenzflaechen durch Kohlendioxidiabsorption aus Luft. Chemische Technik 1996, 48:237-288.
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