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A CRITICAL REVIEW OF THE APPLICATION OF DROP-POPULATION BALANCES FOR THE DESIGN OF SOLVENT EXTRACTION COLUMNS: I. CONCEPT OF SOLVING DROP-POPULATION BALANCES AND MODELLING BREAKAGE AND COALESCENCE
被引:34
|作者:
Kopriwa, Nicole
[2
]
Buchbender, Florian
[2
]
Ayesteran, Jose
[2
]
Kalem, Murat
[2
]
Pfennig, Andreas
[1
]
机构:
[1] Inst Chem Engn & Environm Technol, A-8010 Graz, Austria
[2] Rhein Westfal TH Aachen, AVT Thermal Proc Engn, Aachen, Germany
关键词:
solvent extraction;
drop population;
drop breakage;
coalescence;
LIQUID-LIQUID DISPERSIONS;
MONTE-CARLO-SIMULATION;
MASS-TRANSFER;
TURBULENT DISPERSIONS;
STIRRED-TANK;
MOMENT METHODOLOGY;
NUMERICAL-SOLUTION;
QUADRATURE METHOD;
SIZE DISTRIBUTION;
FILM DRAINAGE;
D O I:
10.1080/07366299.2012.700598
中图分类号:
O6 [化学];
学科分类号:
0703 ;
摘要:
Population-balances are a powerful method to predict the population behavior of drops in chemical-engineering equipment such as solvent extraction columns. In such columns a complex interaction of different phenomena, namely drop sedimentation, mass transfer, drop breakage and coalescence as well as axial dispersion occurs. In this article the concept of drop-population balances is discussed in detail as well as possible solution methods. Also, a critical review of existing models accounting for breakage and coalescence taking place in extraction columns is presented. Future parts of this series will be devoted to modelling mass-transfer and sedimentation as well as on application of single-drop based modelling.
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页码:683 / 723
页数:41
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