Void Fraction Distributions in Cold-gassed and Hot-parged Three Phase Stirred Tanks with Multi-impeller

Chinese Journal of Chemical Engineering

Volumn 17, Issue 6, 2009, Pages 887-895

  CHEN, Lei ^a   BAO, Yuyun ^a   GAO, Zhengming ^a  

^a BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY   (China)

Author keywords

conductivity probe; dispersed gas distribution; hot sparged reactor; multi impeller; void fraction

Indexed keywords

CONDUCTIVITY PROBE; DISPERSED GAS DISTRIBUTION; GAS DISPERSION; GAS DISTRIBUTION; GAS FLOWRATE; GAS HOLD UP; GAS LIQUIDS; GAS-LIQUID-SOLID; HIGH TEMPERATURE; HOT SPARGED REACTOR; LOCAL VOID FRACTION; MEASUREMENT POINTS; OPERATING TEMPERATURE; POWER INPUT; SOLID PARTICLES; STIRRED TANK; SUPERFICIAL GAS VELOCITIES; THREE PHASE; THREE PHASE SYSTEM; TWO PHASE SYSTEMS; UP-PUMPING; VERTICAL DISTRIBUTIONS; VERTICAL PROFILE; VOID FRACTION DISTRIBUTION;

DISPERSIONS; GASES; LIQUIDS; PROBES; TANKS (CONTAINERS); TURBOMACHINE BLADES; TWO PHASE FLOW;

VOID FRACTION;

EID: 73149101291     PISSN: 10049541     EISSN: None     Source Type: Journal    
DOI: 10.1016/S1004-9541(08)60293-1     Document Type: Article

References (20)

1. Wang W.J., and Mao Z.S. "Numerical simulation of gas-liquid flow in a stirred tank with a Rushton impeller". Chin. J. Chem. Eng. 10 (2002) 385-395
2. Lane G.L., Schwarz M.P., and Evans G.M. "Numerical modeling of gas-liquid flow in stirred tanks". Chem. Eng. Sci. 60 (2005) 2203-2214
3. Khopkar A.R., Kasat G.R., Pandit A.B., and Ranade V.V. "CFD simulation of mixing in tall gas-liquid stirred vessel: Role of local flow patterns". Chem. Eng. Sci. 61 (2006) 2921-2929
4. Min J., Bao Y., Chen L., Gao Z., and Smith J.M. "Numerical simulation of gas dispersion in an aerated stirred reactor with multiple impellers". Ind. Eng. Chem. Res. 47 (2008) 7112-7117
5. Murthy B.N., Kasundra R.B., and Joshi J.B. "Hollow self-inducing impellers for gas-liquid-solid dispersion: Experimental and computational study". Chem. Eng. J. 141 (2008) 332-345
6. Lu W., and Ju S. "Local gas holdup, mean liquid velocity and turbulence in an aerated stirred tank using hot-film anemometry". Chem. Eng. J. 35 (1987) 9-17
7. Gao Z., Wang Y., Shi L., and Fu J. "Theoretical and experimental studies on bubble diameter and gas holdup in aerated stirred tanks". Chin. J. Chem. Eng. 4 4 (1996) 283-289
8. Barigou M., and Greaves M. "Gas holdup and interfacial area distributions in a mechanically agitated gas-liquid contactor". Trans IChemE. 74 A (1996) 397-405
9. Laakkonen M., Honkanen M., Saarenrinne P., and Aittamaa J. "Local bubble size distributions, gas-liquid interfacial areas and gas holdups in a stirred vessel with particle image velocimetry". Chem. Eng. J. 109 (2005) 37-47
10. Gao Z., Smith J.M., and Müller-Steinhagen H. "Gas dispersion in sparged and boiling reactors". Chem. Eng. Res. Des. 79 (2001) 973-978
11. Boyer C., Duquenne A.M., and Wild G. "Measuring techniques in gas-liquid and gas-liquid-solid reactors". Chem. Eng. Sci. 57 (2002) 3185-3215
12. Sun K., Zhang M., and Chen X. "Local measurement of gas-liquid bubbly flow with a double-sensor probe". Chin. J. Chem. Eng. 8 1 (2000) 33-40
13. Gao Z., Smith J.M., and Muller-Steinhagen H. "Void fraction distribution in sparged and boiling reactors with modern impeller configuration". Chem. Eng. Proc. 40 (2001) 489-497
14. Nienow A.W., and Bujalski W. "Recent studies on agitated three-phase (gas-solid-liquid) systems in the turbulent regime". Trans IChemE. 80 A (2002) 832-838
15. Wen J., Zhou H., and Chen Y. "Local gas phase flow characteristics of a gas-liquid-solid three-phase reversed flow jet loop reactor". Chin. J. Chem. Eng. 10 1 (2002) 119-122
16. Bao Y., Hao Z., Gao Z., Shi L., and Smith J.M. "Suspension of buoyant particles in a three phase stirred tank". Chem. Eng. Sci. 60 (2005) 2283-2292
17. Bao Y., Hao Z., Gao Z., Shi L., Smith J.M., and Thorpe R.B. "Gas dispersion and solid suspension in a three-phase stirred tank with multiple impellers". Chem. Eng. Comm. 193 (2006) 801-825
18. Gao Z., and Shi L. "Effect of temperature on gas hold-up in aerated stirred tanks". Chin. J. Chem. Eng. 11 2 (2003) 204-207
19. Bao Y.Y., Chen L., Gao Z.M., Zhang X., Smith J.M., and Kirkby N.F. "Temperature effects on gas dispersion and solid suspension in a three-phase stirred reactor". Ind. Eng. Chem. Res. 47 (2008) 4270-4277
20. Bao Y.Y., Zhang X., Gao Z.M., Chen L., Smith J.M., and Kirkby N.F. "Gas dispersion and solid suspension in a hot sparged multi-impeller stirred tank". Ind. Eng. Chem. Res. 47 (2008) 2049-2055