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FIG. 14-90 Entrainment droplet-size distribution. To convert meters per second to feet per second, multiply<br />
by 3.28, to convert meters to feet multiply by 3.28.<br />
1967. The formation of bubbles is comprehensively treated by Clift, Grace, and<br />
Weber, Bubbles, Drops and Particles, Academic, New York, 1978; Kumar and<br />
Kuloor, Adv. Chem. Eng, 8, 255–368 (1970); and Wilkinson and Van Dierendonck,<br />
Chem. Eng Sci., 49, 1429–1438 (1994). Design methods for units operation<br />
in bubble columns and stirred vessels are covered by Atika and Yoshida, Ind.<br />
Eng Chem. Process Des. Dev., 13, 84 (1974); Calderbank, The Chem. Eng. (London),<br />
CE209 (October, 1967); and Mixing, vol. II, Academic, New York, 1967,<br />
pp. 1–111; Fair, Chem. Eng, 74, 67 (July 3, 1967); Jordan, Chemical Process Dev.,<br />
Interscience, New York, 1968, part 1, pp. 111–175; Mersmann, Ger. Chem. Eng,<br />
1, 1 (1978); Resnick and Gal-Or, Adv. Chem. Eng., 7, 295–395 (1968); Valentin,<br />
Absorption in Gas-Liquid Dispersions, E. & F. N. Spon, London, 1967; Tatterson,<br />
Fluid Mixing and Gas Dispersion in Agitated Tanks, McGraw-Hill, 1991;<br />
and Deckwer and Schumpe, Chem. Eng. Sci., 48, 889–991 (1993).<br />
FIG. 14-91 Particle-size distribution and mist loading from absorption tower<br />
in a contact H 2SO 4 plant. [Gillespie and Johnstone, Chem. Eng. Prog., 51(2), 74<br />
(1955).]<br />
PHASE DISPERSION 14-99<br />
Review of foam rheology is given by Herzhaft [Oil & Gas Sci. & Technol. 54,<br />
587 (1999)] and Heller and Kuntamukkula [Ind. Eng. Chem. Res., 26, 318<br />
(1987)]. The influence of surface-active agents on bubbles and foams is summarized<br />
in selected passages from Schwartz and Perry, Surface Active Agents, vol.<br />
1, Interscience, New York, 1949; and from Schwartz, Perry, and Berch, Surface<br />
Active Agents and Detergents, vol. 2, Interscience, New York, 1958. See also<br />
Elenkov, Theor. Found Chem. Eng., 1, 1, 117 (1967); and Rubel, Antifoaming<br />
and Defoaming Agents, Noyes Data Corp., Park Ridge, NJ, 1972.<br />
A review of foam stability also is given by de Vries, Meded, Rubber Sticht.<br />
Delft. No. 328, 1957. Foam-separation methodology is discussed by Aguoyo<br />
and Lemlich, Ind. Eng. Chem. Process Des. Dev., 13, 153 (1974); and Lemlich,<br />
Ind. Eng Chem., 60, 16 (1968). The following reviews of specific applications<br />
of gas-to-liquid dispersions are recommended: Industrial fermentations Aiba,<br />
Humphrey, and Millis, Biochemical Engineering, Academic, New York, 1965.<br />
Finn, Bacteriol. Rev., 18, 254 (1954). Oldshue, “Fermentation Mixing Scale-<br />
Up Techniques,” in Biotechnology and Bioengineering, vol. 8, 1966, pp. 3–24.<br />
Aerobic oxidation of wastes: Eckenfelder and McCabe, Advances in Biological<br />
Waste Treatment, Macmillan, New York, 1963. Eckenfelder and O’Connor,<br />
Biological Waste Treatment, Pergamon, New York, 1961. McCabe and Eckenfelder,<br />
Biological Treatment of Sewage and Industrial Wastes, vol. 1, Reinhold,<br />
New York, 1955. Proceedings of Industrial Waste Treatment Conference, Purdue<br />
University, annually. Zlokarnik, Adv. Biochem. Eng., 11, 158–180 (1979).<br />
Cellular elastomers: Fling, Natural Rubber Latex and Its Applications: The<br />
Preparation of Latex Foam Products, British Rubber Development Board,<br />
London, 1954. Gould, in Symposium on Application of Synthetic Rubbers,<br />
American Society for Testing and Materials, Philadelphia, 1944, pp. 90–103.<br />
Firefighting foams: Perri, in Bikerman, op. cit., Chap. 12. Ratzer, Ind. Eng.<br />
Chem., 48, 2013 (1956). Froth-flotation methods and equipment: Booth, in<br />
Bikerman, op. cit., Chap. 13. Gaudin, Flotation, McGraw-Hill, New York,<br />
1957. Taggart, Handbook of Mineral Dressing, Wiley, New York, 1945, Sec. 12,<br />
pp. 52–81. Tatterson, Fluid Mixing and Gas Dispersion in Agitated Tanks,<br />
McGraw-Hill, New York, 1991.<br />
Objectives of Gas Dispersion The dispersion of gas as bubbles<br />
in a liquid or in a plastic mass is effected for one of the following purposes:<br />
(1) gas-liquid contacting (to promote absorption or stripping,<br />
with or without chemical reaction), (2) agitation of the liquid phase, or