llustration 10.7 A covered, baffled vessel, 0.5 m (19.7 in) diameter, 0.5 m deep is to be used for continuous extraction of benzoic acid from water (3 x 10-3 m³/s 6.36 ft/min) into toluene (3 x 10- m/s) as solvent. Liquids are to flow cocurrently upward and will fill the vessel; there will be no gas-liquid interface and hence no vortex. A six-blade, flat-blade disk turbine, 0.15 m (6 in) diameter is to be located axially and centrally, turning at 13.3 r/s (800 r/min). The liquid properties are: %3D Water solution Toluene solution Density p Viscosity Diffusivity D 998 kg/m³ 0.95 x 10-3 kg/m.s 2.2 x 10-9 m2/s 865 kg/m 0.59 x 10-3 kg/m.s 1.5 x 10-9 m?/s Interfacial tension, o = 0.022 N/m Distribution coefficient = Coluese/ Cwater = 20.8 %3D Estimate the stage efficiency to be expected.

Elements Of Electromagnetics
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Illustration 10.7 A covered, baffled vessel, 0.5 m (19.7 in) diameter, 0.5 m deep is to be used for
continuous extraction of benzoic acid from water (3 x 10-3 m/s = 6.36 ft/min) into toluene
(3 x 10-4 m/s) as solvent. Liquids are to flow cocurrently upward and will fill the vessel;
there will be no gas-liquid interface and hence no vortex. A six-blade, flat-blade disk turbine,
0.15 m (6 in) diameter is to be located axially and centrally, turning at 13.3 r/s (800 r/min).
The liquid properties are:
Water solution
Toluene solution
Density p
Viscosity p
Diffusivity D
998 kg/m
0.95 x 10-3 kg/m·s
2.2 x 10-9 m2/s
865 kg/m
0.59 x 10- kg/m -s
1.5 x 10-9 m?/s
Interfacial tension, o 0.022 N/m
Distribution coefficient = coluene/Cwater= 20.8
Estimate the stage efficiency to be expected.
Transcribed Image Text:Illustration 10.7 A covered, baffled vessel, 0.5 m (19.7 in) diameter, 0.5 m deep is to be used for continuous extraction of benzoic acid from water (3 x 10-3 m/s = 6.36 ft/min) into toluene (3 x 10-4 m/s) as solvent. Liquids are to flow cocurrently upward and will fill the vessel; there will be no gas-liquid interface and hence no vortex. A six-blade, flat-blade disk turbine, 0.15 m (6 in) diameter is to be located axially and centrally, turning at 13.3 r/s (800 r/min). The liquid properties are: Water solution Toluene solution Density p Viscosity p Diffusivity D 998 kg/m 0.95 x 10-3 kg/m·s 2.2 x 10-9 m2/s 865 kg/m 0.59 x 10- kg/m -s 1.5 x 10-9 m?/s Interfacial tension, o 0.022 N/m Distribution coefficient = coluene/Cwater= 20.8 Estimate the stage efficiency to be expected.
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