Mechanism of gas absorption enhancement in presence of fine solid particles in mechanically agitated gas-liquid dispersion. Effect of molecular diffusivity

Chemical Engineering Science

Volumn 63, Issue 21, 2008, Pages 5120-5128

  Linek, V ^a   Kordac M ^a   Soni, M ^b  

^a INSTITUTE OF CHEMICAL TECHNOLOGY   (Czech Republic)

^b SASOL TECHNOLOGY PTY LTD   (South Africa)

Author keywords

Activated carbon slurry; Agitated gas liquid dispersion; Effect of molecular diffusivity; Mass transfer enhancement

Indexed keywords

ABSORPTION; ACTIVATED CARBON; COBALT; DESORPTION; DISPERSION (WAVES); GAS ABSORPTION; GASES; SURFACE CHEMISTRY; TRANSITION METALS;

ACTIVATED CARBON SLURRY; AGITATED GAS-LIQUID DISPERSION; EFFECT OF MOLECULAR DIFFUSIVITY; MASS TRANSFER ENHANCEMENT;

PHASE INTERFACES;

EID: 53149091611     PISSN: 00092509     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ces.2008.06.023     Document Type: Article

References (43)

1. Akita K. Diffusivities of gases in aqueous electrolyte solutions. Industrial Engineering Chemistry Fundamentals 20 (1981) 89-94
2. Alper E., Wichtendahl B., and Deckwer W.-D. Gas absorption mechanism in catalytic slurry reactors. Chemical Engineering Science 35 (1980) 217-222
3. Alves S.S., Maia C.I., and Vasconcelos J.M.T. Gas-liquid mass transfer coefficient in stirred tank interpreted through bubble contamination kinetics. Chemical Engineering and Processing 43 (2004) 823-830
4. Beenackers A.A.C.M., and van Swaaij W.P.M. Mass transfer in gas-liquid slurry reactors. Chemical Engineering Science 48 (1993) 3109-3139
5. Brian P.L.T., Vivian J.E., and Matiatos D.C. A criterion for supersaturation in simultaneous gas absorption and desorption. Chemical Engineering Science 22 (1967) 7-10
6. Brilman D.W.F., Goldschmidt M.J.V., Versteeg G.F., and van Swaaij W.P.M. Heterogeneous mass transfer models for gas absorption in multiphase systems. Chemical Engineering Science 55 (2000) 2793-2812
7. Calderbank P.H., and Moo-Young M.B. The continuous phase heat and mass transfer properties of dispersions. Chemical Engineering Science 16 (1961) 39-61
8. 2 particles for enhanced gas absorption. Chemical Engineering Journal 92 (2003) 151-159
9. Demmink J.F., Mehra A., and Beenackers A.A.C.M. Gas absorption in the presence of particles showing interfacial affinity: case of fine sulfur precipitates. Chemical Engineering Science 53 (1998) 2885-2902
10. Frössling N. Über die Verdünstung fallender Tropfen. Gerlands Beitage Geophysik 52 (1938) 170-216
11. Fujasová M., Linek V., and Moucha T. Mass transfer correlations for multiple-impeller gas-liquid contactors. Analysis of the effect of axial dispersion in gas and liquid phase on "local" kLa values measured by the dynamic pressure method in individual sections of the vessel. Chemical Engineering Science 62 (2007) 1650-1669
12. Higbie R. The rate of absorption of a pure gas into a still liquid during short periods of exposure. Transactions of the American Institution Chemical Engineers 35 (1935) 36-60
13. Holstvoogd R.D., van Swaaij W.P.M., and van Dierendonck L.L. The absorption of gases in aqueous activated carbon slurries enhanced by adsorbing or catalytic particles. Chemical Engineering Science 43 (1988) 2181-2187
14. Kawase Y., and Moo-Young M. Mathematical models for design of bioreactors: applications of Kolmogoroff's theory of isotropic turbulence. Chemical Engineering Journal 43 (1990) B19-B41
15. Kaya A., and Schumpe A. Surfactant adsorption rather than "shuttle effect"?. Chemical Engineering Science 60 (2005) 6504-6510
16. Kluytmans J.H.J., van Wachem B.G.M., Kuster B.F.M., and Schouten J.C. Mass transfer in sparged and stirred reactors: influence of carbon particles and electrolyte. Chemical Engineering Science 58 (2003) 4719-4728
17. Kordač M., and Linek V. Mechanism of enhanced gas absorption in presence of fine solid particles. Effect of molecular diffusivity on mass transfer coefficient in stirred cell. Chemical Engineering Science 61 (2006) 7125-7132
18. Lamont J.C., and Scott D.S. An eddy cell model of mass transfer into surface of a turbulent liquid. A.I.Ch.E. Journal 16 (1970) 513-519
19. Lindner D., Werner M., and Schumpe A. Hydrogen transfer in slurries of carbon supported catalyst (HP0 process). A.1.Ch.E. Journal 34 (1988) 1691-1697
20. Linek V., and Vacek V. Chemical engineering use of catalyzed sulfite oxidation kinetics for the determination of mass transfer characteristics of gas-liquid contactors. Chemical Engineering Science 36 (1981) 1747-1768
21. Linek V., Vacek V., and Beneš P. A critical review and experimental verification of the correct use of the dynamic method for the determination of oxygen transfer in aerated agitated vessels to water, electrolyte solutions and viscous liquids. Chemical Engineering Journal 34 (1987) 11-34
22. L a in gas-liquid dispersions. Chemical Engineering Science 51 (1996) 5223-5226
23. Linek V., Kordač M., Fujasová M., and Moucha T. Gas-liquid mass transfer coefficient in stirred tanks interpreted through models of idealized eddy structure of turbulence in the bubble vicinity. Chemical Engineering and Processing 43 (2004) 1511-1517
24. Linek V., Kordač M., and Moucha T. Mechanism of mass transfer from bubbles in dispersions: part I. Danckwerts' plot method with sulphite solutions at the presence of viscosity and surface tension changing agents. Chemical Engineering and Processing 44 (2005) 353-361
25. Linek V., Kordač M., and Moucha T. Mechanism of mass transfer from bubbles in dispersions: part II. Mass transfer coefficients in stirred gas-liquid reactor and bubble column. Chemical Engineering and Processing 44 (2005) 121-130
26. Llorens J., Mans C., and Costa J. Discrimination of the effect of surfactants in gas absorption. Chemical Engineering Science 43 (1988) 443-450
27. Mehra A. Intensification of multiphase reactions through the use of microphase-I: theoretical. Chemical Engineering Science 43 (1988) 895-912
28. Painmanakula P., Loubièrea K., Hébrarda G., Mietton-Peuchotb M., and Roustana M. Effect of surfactants on liquid-side mass transfer coefficients. Chemical Engineering Science 60 (2005) 6480-6491
29. Quicker G., Schumpe A., and Deckwer W.D. Gas-liquid interfacial areas in a bubble column with suspended solids. Chemical Engineering Science 39 (1984) 179-183
30. 2 absorption. A.I.Ch.E. Journal 33 (1987) 871-875
31. Rosso D., Huo D.L., and Stenstrom M.K. Effects of interfacial surfactant contamination on bubble gas transfer. Chemical Engineering Science 61 (2006) 5500-5514
32. Rosu M., and Schumpe A. Influence of surfactants on gas absorption into aqueous suspensions of activated carbon. Chemical Engineering Science 62 (2007) 5458-5463
33. Rosu M., Marlina A., Kaya A., and Schumpe A. Surfactant adsorption onto activated carbon and its effect on absorption with chemical reaction. Chemical Engineering Science 62 (2007) 7336-7343
34. Schumpe A., Saxena A.K., and Fang L.K. Gas-liquid mass transfer in a slurry bubble column. Chemical Engineering Science 42 (1987) 1787-1796
35. Tinge J.T., and Drinkenburg A.A.H. Absorption of gases into activated carbon-water slurries in a stirred cell. Chemical Engineering Science 47 (1992) 1337-1345
36. Tinge J.T., and Drinkenburg A.A.H. The enhancement of the absorption of gases in activated carbon slurries. Chemical Engineering Science 50 (1995) 937-942
37. Vasconcelos J.M.T., Orvalho S.P., and Alves S.S. Gas-liquid mass transfer to single bubbles: effect of surface contamination. A.I.Ch.E. Journal 48 (2002) 1145-1154
38. Vasconcelos J.M.T., Rodrigues J.M.L., Orvalho S.C.P., Alves S.S., Mendes R.L., and Reis A. Effect of contaminants on mass transfer coefficients in bubble column and airlift contactors. Chemical Engineering Science 58 (2003) 1431-1440
39. Vázquez G., Cancela M.A., Riverol C., Alvarez E., and Navaza J.M. Application of the Danckwerts method in a bubble column. Effects of surfactants on mass transfer coefficient and interfacial area. Chemical Engineering Journal 78 (2000) 13-19
40. Verhallen P.T.H.M., Oomen L.J.P., Elsen A.J.J.M., Kruger A.J., and Fortun J.M.H. The diffusion coefficients of helium, hydrogen, oxygen and nitrogen in water determined from the permeability of a stagnant liquid layer in the quasi-steady state. Chemical Engineering Science 39 (1964) 1535-1541
41. Vinke H., Haersma P.J., and Fortuin J.M.H. Enhancement of the gas-absorption rate in agitated slurry reactors by gas-adsorbing particles adhering to gas bubbles. Chemical Engineering Science 48 (1993) 2197-2210
42. Vivian J.E., and King C.J. The mechanism of liquid-phase resistance to gas absorption in a packed column. A.I.Ch.E. Journal 10 (1964) 221-227
43. Zhang G.D., Cai W.F., Xu C.J., and Zhou M. A general enhancement factor model of the physical absorption of gases in multiphase systems. Chemical Engineering Science 61 (2006) 558-568