Liquid purification or separation – Processes – Chemical treatment
Patent
1991-05-28
1993-06-08
Silverman, Stanley S.
Liquid purification or separation
Processes
Chemical treatment
210916, 422 28, 252175, 252176, 424618, 424630, 424640, C02F 150
Patent
active
052176266
ABSTRACT:
A water disinfection system is disclosed. The system comprises a permanganate in a concentration of up to about 15 mg/L, copper ions in a concentration of up to about 900 .mu.g/L, and silver ions in a concentration of up to about 90 .mu.g/L. In addition, a method for disinfecting water utilizing this system is described.
REFERENCES:
patent: 4492618 (1985-01-01), Eder
patent: 4680114 (1987-07-01), Hayes
Yahya, M. T., Landeen, L. K., Kutz, S. M., Gerba, C. P., "Swimming Pool Disinfection, An Evaluatin of the Efficacy of Copper; Silver Ions", Journal of Environmental Health, vol. 51, No.5, pp. 282-285 (1989).
Yahya, M. T., Landeen, L. K., Kutz, S. M., Gerba, C. P., "Inactivation of Legionella Pneumophila by Exposure to Copper: Silver Ions and Reduced Levels of Free Chlorine", Microbial Aspects of Surface Water Quality, Water Pollution Control Federation Specialty Conference Series: pp. 82-95 (May 30-Jun. 2, 1989).
Thurman, R. B. and Gerba, C. P., "The Molecular Mechanisms of Copper and Silver Ion Disinfection of Bacteria and Viruses", CRC Critical Review in Environmental Control, vol. 18, Issue 4, pp. 295-315 (1989).
Landeen, L. K., Yahya, M. T., Kutz, S. M., Gerba, C. P., "Microbiological Evaluation of Copper: Silver Disinfection Units for use in Swimming Pools", Wat. Sci. Tech., vol. 21, No. 3, pp. 267-270 (1989).
Yahya, M. T., Landeen, L. K., Forsthoefel, N. R., Kujawa, K. and Gerba, C. P., "Evaluation of Potassium Permanganate for Inactivation of Bacteriophage MS-2 in Water Systems", J. Env. Science and Health, vol. 24, No. 8, pp. 979-989, (1989).
Yahya, M. T., Landeen, L. K. and Gerba, C. P., "Inactivation of Legionella Pneumophila by Potassium Permanganate", Env. Tech., vol. 11, pp. 657-662 (1990).
Landeen, L. K., Yahya, M. T. and Gerba, C. P., "Efficacy of Copper and Silver Ions and Reduced Levels of Free Chlorine in Inactivation of Legionella Pneumophila", Applied and Environmental Microbiology, vol. 55, No. 12, pp. 3045-3050 (Dec. 1989).
Gerba Charles P.
Yahya Moyasar T.
McCarthy Neil M.
Research Corporation Technologies Inc.
Silverman Stanley S.
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