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Physical aspects of air disinfection

Published online by Cambridge University Press:  19 October 2009

T. Nash
T. Nash
Affiliation:
Air Hygiene Unit, Public Health Laboratory Service, Colindale, London
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A consistent picture of the state of a bacteria-carrying particle in a bactericidal atmosphere is given. The particle is referred to an ideal ternary system where two of the components are volatile and in equilibrium with their respective vapours. The ideal phase diagrams for systems with one independent variable are given, and the large deviations from the ideal of an actual system are shown from calculations using published data on salivary particle masses in the presence of bactericide vapour at various relative humidities.

Type
Research Article
Information
Journal of Hygiene , Volume 49 , Issue 4 , December 1951 , pp. 382 - 399
Copyright
Copyright © Cambridge University Press 1951

References

Bradley, R. S., Evans, M. G. & Whytlaw-Gray, R. W. (1946). Tho rate of evaporation of droplets. Proc. Roy. Soc. A, 186, 368.Google Scholar
Bourdillon, R. B., Lidwell, O. M. & Lovelock, J. E. (1948). Technique of bacterial killing tests. (A), p. 59.Google Scholar
Bourdillon, R. B., Lidwell, O. M. & Schuster, E. (1948). An improved slit sampler with accurato timing. (A), p. 12.Google Scholar
Finn, S. R. & Powell, E. O. (1940). The disinfection of closed atmospheres with gormicidal aerosols. Part I. Physical and chemical aspects. J. Hyg., Camb., 40, 17.Google Scholar
Ferguson, J. (1939). Chomical potentials as an index of toxicity. Proc. Roy. Soc. B, 127, 387.Google Scholar
Gallaugher, A. F. & Hibbert, H. (1937). The vapour pressures of some glycols. J. Amer. Chem. Soc. 59, 2521.CrossRefGoogle Scholar
Jennings, H. B. & Bigg, E. (1944). Engineering problems in tho use of glycol vapour for air sterilization. Amer. J. publ. Hlth 34, 477.Google Scholar
Kreuger, A. P., and The Naval Medical Research Unit (1944). Laboratory and field studios of glycols and floor oiling. U.S. Naval Med. Bull. 42, 1288.Google Scholar
Lester, W., Robertson, O. H., Puck, T. T., Wise, H. & Smith, M. (1949). The rate of bacterial action of triothyleno glycol vapour on micro-organisms dispersed into tho air in small droplets. Amer. J. Hyg. 50, 175.Google Scholar
Lidwell, O. M. (1948). The mochanism of aerial bacterial action. (A), p. 104.Google Scholar
Lidwell, O. M. & Lovelock, J. E. (1948). The behaviour of disinfectant vapours after dispersal in air. (A), p. 122.Google Scholar
Lidwell, O. M., Lovelock, J. E. & Raymond, W. F. (1948 a). Propylene glycol as an air disinfectant. (A), p. 75.Google Scholar
Lidwell, O. M., Lovelock, J. E. & Raymond, W. F. (1948 b). Lactic acid as an air dis-infectant. (A), p. 82.Google Scholar
Lovelock, J. E. (1948 a). Killing on culture plates during tests on air disinfectants. (A), p. 139.Google Scholar
Lovelock, J. E. (1948 b). α-hydroxy acids as aerial disinfectants. (A), p. 89.Google Scholar
May, K. R. (1945). The cascade impactor. An instrument for tho sampling of coarse aerosols. J. sci. Instrum. 22, 187.CrossRefGoogle Scholar
Puck, T. T. (1947). The mechanism of aerial disinfection by glycols and other chemical agonts. J. cxp. Med. 85, 727.Google Scholar
Puck, T. T. & Chaney, A. L. (1946). The disporsal and control of triothyleno glycol vapour for aerial disinfection. Industr. Hyg. Ass. Quart. 7, 3.Google Scholar
Robertson, O. H., Appel, E. M., Puck, T. T., Lemon, H. M. & Ritter, M. H. (1948). A study of tho bactericidal activity in vitroof certain glycols and closely related compounds. J. infect. Dis. 83, 125.Google Scholar
Swinbank, W. C. (1947). Collisions of cloud droplets. Nature, Lond., 159, 849.CrossRefGoogle Scholar
Thomas, L. H. (1949). Correlation of critical temporaturo, vapour prossuro and latent heat of evaporation. J. cheem. Soc. p. 3415.Google Scholar
Twort, C. C. & Baker, A. H. (1942). Further researches in baotericidal mists and smokes. J. Hyg., Camb., 42, 266.CrossRefGoogle ScholarPubMed
Twort, C. C., Baker, A. H., Finn, S. R. & Powell, E. O. (1940). The disinfection of closod atmosphoros with gennical aerosols. J. Hyg., Camb., 40, 17.CrossRefGoogle ScholarPubMed
Wise, H. & Puck, T. T. (1947). Saturation concentrations of triothylono glycol vapour at various rolativo humidities. Science, 105, 2734.CrossRefGoogle ScholarPubMed