Theoretical approach to concentration distribution and adhesion efficiency of fine particles around a rising bubble in slurry systems

Chinese Journal of Chemical Engineering

Volumn 10, Issue 5, 2002, Pages 550-557

  Cai, Wangfeng ^a   Xu, Chunjian ^a   Zhou, Ming ^a  

^a TIANJIN UNIVERSITY   (China)

Author keywords

Adhesion efficiency; Brownian diffusivity; Distribution function; Fokker Planck equation

Indexed keywords

ADHESION; BROWNIAN MOVEMENT; BUBBLES (IN FLUIDS); CONCENTRATION (PROCESS); VISCOSITY;

ADHESION EFFICIENCY; DISTRIBUTION FUNCTION; FOKKER PLANCK EQUATION; RISING BUBBLE; SLURRY SYSTEMS;

SLURRIES;

ADHESION; BUBBLE; EFFICIENCY; SLURRY;

EID: 0036822191     PISSN: 10049541     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (23)

1. Demmink, J.F., Mehra, A., Beenackers, A.A.C.M., Gas absorption in the presence of particles showing interfacial affinity: Case of fine sulfur precipitates, Chem. Eng. Sci., 53(16), 2885-2902 (1998).
2. Kars, R.H., Best, R.J., Drinkenburg, A.A.H., The adsorption of propane in slurries of active carbon in water, J. Chem. Eng., 17, 201-210 (1979).
3. Zhou, M., Xu, C.J., Yu, G.G., Adsorptive distillation - Novel hybrid separation process, Progress in Natural Science, 5(3), 291-298 (1995).
4. Alper, E., Wichtendahl, B., Deckwer, W.D., Gas absorption mechanism in catalytic slurry reaction, Chem. Eng. Sci., 35(1-3), 217-222 (1980).
5. Wimmers, O.J., de Sauvage Notting, H.J.J., Fortuin, J.M.H., The effect of the size of catalyst particles adhering to gas bubbles on the enhancement of gas absorption in slurry reactors, Chem. Eng. Sci., 43(8), 2155-2159 (1988).
6. Zhang, X.G., Davis, R.H., The rate of collisions due to Brownian or gravitational motion of small drops, J. Fluid Mech., 230, 479-504 (1991).
7. Batchelor, G.K., Sedimentation in a dilute polydisperse system of interacting spheres. Part 1. General theory, J. Fluid Mech., 119, 379-408 (1982).
8. Wen, C.S., Zhang, L., Lin, H., The rate of coagulation of particles in a sedimenting dispersion at large Peclet number, J. Colloid Interface Sci., 142(1), 257-265 (1991).
9. Melik, J.H., Fogler, H.S., Effect of gravity on Brownian flocculation, J. Colloid Interface Sci., 101 (1), 89-97 (1984).
10. Schulze, H.J., Probability of particle attachment on gas bubbles by sliding, Advance in Colloid and Interface Sci., 40, 283-305 (1992).
11. Thomas, D.J., Transport characteristics of suspension. VIII. A note on the viscosity of Newtonian suspensions of uniform spherical particles, J. Colloid Sci., 20, 267-277 (1965).
12. Jeffrey, D.J., Onishi, Y., Calculation of the resistance and mobility functions for two unequal rigid spheres in low-Reynolds-number flow, J. Fluid. Mech., 139, 261-289 (1984).
13. Fuentes, Y.O., Kim, S., Jeffrey, D.J., Mobility functions for two unequal viscous drops in stokes flow. I. Axisymmetric motions, Phys. Fluids, 31(9), 2445-2455 (1988).
14. Ho, N.F.H., Higuchi, W.I., Preferential aggregation and coalescence in heterodispersed system, J. Pharm. Sci., 57, 436-442 (1968).
15. Czarnecki, J., van der Waals attraction energy between sphere and half-space, J. Colloid Interface Sci., 72(2), 361-362 (1979).
16. Loewenberg, M., Davis, R.H., Flotation rate of fine, spherical particles and droplets, Chem. Eng. Sci., 49(23), 3923-3941 (1994).
17. Zinchenko, A.Z., Davis, R.H., Gravity-induced coalescence of drops at arbitrary Peclet number, J. Fluid Mech., 280, 119-148 (1994).
18. Scheludko, A., Varbanov, R., Nishkov, I., Nikolov, D., Bulgarian Pat., 22 (1975).
19. Nguyen-Van, A., Kmet, S., Collision efficiency for fine mineral particles with single bubble in a countercurrent flow region, Int. J. Mineral Process, 35, 205-223 (1992).
20. Kitchener, J.A., Gochin, R.J., The mechanism of dissolved air flotation, Wat. Res., 15, 585-590 (1981).
21. Tedder, D.W., Separations in hazardous waste management, Separat. Purif. Methods, 21 (1), 23-74 (1992).
22. O'Sullivan, D., Soil remediation gains momentum, Chem. Eng. News, 69(47), 24-26 (1991).
23. Dai, Z.F., Dukhin, S., Dornasiero, D., Ralston, J., The inertial hydrodynamic of particles and rising bubbles with mobile surfaces, J. Colloid Interface Sci., 197(2), 275-292 (1998).