Two-phase simulations of an off-nominally operating dissolved-air flotation tank

International Journal of Environment and Pollution

Volumn 30, Issue 2, 2007, Pages 213-230

  Emmanouil, Valesia ^a   Skaperdas, Evangelos P ^a   Karapantsios, Thodoris D ^a   Matis, Kostas A ^a  

^a ARISTOTLE UNIVERSITY OF THESSALONIKI   (Greece)

Author keywords

CFD; Computational fluid dynamics; DAF; Dissolved air flotation; Large bubbles; Modelling; Multiphase models

Indexed keywords

BUBBLE FORMATION; COMPUTATIONAL FLUID DYNAMICS; COMPUTER SIMULATION; DISSOLUTION; FLOTATION; FLOW RATE;

DISSOLVED AIR FLOTATION; LARGE BUBBLES; MULTIPHASE MODELS; TANK FREE SURFACES;

WATER TANKS;

AIR BUBBLE; COMPUTATIONAL FLUID DYNAMICS; FLOW PATTERN; MODELING;

ARTICLE; BUBBLE COLUMN REACTOR; COMPUTATIONAL FLUID DYNAMICS; FLOTATION; FLOW RATE; MATHEMATICAL MODEL; STATISTICAL MODEL; TANK; WATER CONTAMINATION;

EID: 34548857637     PISSN: 09574352     EISSN: None     Source Type: Journal    
DOI: 10.1504/IJEP.2007.014701     Document Type: Article

References (15)

1. Borchers, O., Busch, C., Sokolichin, A. and Eigenberger, G. (1999) 'Applicability of the standard k-ε turbulence model to the dynamic simulation of bubble columns. Part II: Comparison of detailed experiments and flow simulations', Chem. Eng. Sci., Vol. 54, pp.5927-5935.
2. Desam, P.R., Datta, A., Moerse, W. and Miller, J.D. (2000) 'A computational fluid dynamics (CFD) model for a bubble separation tank used in wastewater treatment', Proc. XXI Intl. Mineral Proces., Congress, Rome, pp.1-12.
3. Fawcett, N.S.J. (1997) 'The hydraulics of flotation tanks: computational modelling', Dissolved-Air Flotation, Proc. Intl. Conf. Chartered Inst. Water and Envir. Management, London, pp.51-71.
4. FLUENT User's Guide (2003) Version 6.1, Fluent Inc, on CDROM.
5. Hague, J., Ta, C.T., Biggs, M.J. and Sattary, J.A. (2000) 'Small scale model for CFD validation in DAF application', Proc. 4th Intl. Conf. Flotation in Water and Waste Water Treatment, Helsinki, Session 6.
6. King, R.P. (2001) Modelling and Simulation of Mineral Processing Systems, Butterworth-Heinemann, pp.289-350.
7. Koh, P.T.L. and Schwarz, M.P. (2003) 'CFD modelling of bubble-particle collision rate and efficiencies in flotation cells', Minerals Eng., Vol. 16, pp.1055-1059.
8. Koh, P.T.L., Manickam, M. and Schwarz, M.P. (2000) 'CFD simulation of bubble-particle collisions in mineral flotation cells', Minerals Eng., Vol. 13, pp.1455-1463.
9. Lundh, M., Jönsson, L. and Dahlquist, J. (2002) 'The influence of contact zone configuration on the flow structure in a dissolved air flotation pilot plant', Water Res., Vol. 36, pp.1585-1595.
10. Matis, K.A. (1981) Flotation and its Application in Industrial Wastes Treatment, Chimika Chronika - Gen. Ed., Vol. 46, pp.27-33 (in Greek).
11. Nguyen, A.V. and Schulze, H.J. (2004) Colloidal Science of Flotation, Dekker, New York.
12. O'Neill, S., Yeung, H. and Oddie, G. (1997) 'Physical modelling study of the dissolved air flotation process', Dissolved-Air Flotation, Proc. Intl. Conf. Chartered Inst. Water and Envir. Management, London, pp.75-81.
13. Sokolichin, A. and Eigenberger, G. (1999) 'Applicability of the standard k-ε turbulence model to the dynamic simulation of bubble columns. Part I: Detailed numerical simulations', Chem. Eng. Sci., Vol. 54, pp.2273-2284.
14. Ta, C.T. (2000) 'Application of Computational Fluid Dynamics to water industry', Proc. 4th Intl. Conf. Flotation in Water and Waste Water Treatment, Helsinki, Session 6.
15. Ta, C.T., Beckley, J. and Eades, A. (2000) 'A multiphase CFD model of DAF process', Proc. 4th Intl. Conf. Flotation in Water and Waste Water Treatment, Helsinki, Session 6.