Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Using direct contact with electrical or electromagnetic...
Patent
1998-05-13
2000-10-10
McKane, Elizabeth
Chemical apparatus and process disinfecting, deodorizing, preser
Process disinfecting, preserving, deodorizing, or sterilizing
Using direct contact with electrical or electromagnetic...
422 24, 210748, C02F 132
Patent
active
06129893&
ABSTRACT:
A method for prevention of cryptosporidium oocysts and similar organisms in water by irradiating the water with ultraviolet light in a range of 200 to 300 nm in doses of about 10 mJ/cm.sup.2 to 175 mJ/cm.sup.2.
REFERENCES:
patent: 5900211 (1999-05-01), Dunn et al.
E.L. Jarol, "Effect of disinfectants on Giardia cysts," CRC Critical Reviews in Environmental Contro.l, 1988, 18, 1-28.
M.J. Lorenzo-Lorenzo, M.E. Area-Mazea, I. Villacorta-Martinez de Maturana and Duran-Oreiro, "Effect of Ultraviolet Disinfection of Drinking Water on Viability of Crytosporidium parvum Oocysts," J. Parasitol, 1993, 79(1), 67-70.
A. Bushnell, W. Clark, J. Dunn and K. Salisbury, "Pulsed Light Sterilization of Products Packaged by Blow-Fill-Seal Techniques," Pharm. Engin. 1997, Set/Oct., 74-83.
R. LaFrenz, "High Intensity Pulsed UV for Drinking Water Treatment," Proc. AWWA WQT Conference, Denver, CO, Nov., 1997.
"Inactivation of Oocysts of Cryptosporidium parvum by Ultraviolet Irradiation" Wat. Res., vol. 29, No. 11, pp. 2583-2586 (1995) Authors: A.T. Campbell, L.J. Robertson, M.R. Snowball and H.V. Smith.
"Ultraviolet Sterilization" Handbook of Water Purification, second edition, Ellis Horwood Series in Water and Wastewater Technology, author: Gunther O. Schenk.
Water Supply, vol. 11, Amsterdam, pp. 103-118, 1993 entitled: "Effects of Disinfectants on the Viability of Cryptosporidium parvun Oocysts" authors: M.E. Ransome, T.N. Whitmore and E.G. Carrington.
Bolton James R.
Stevens R. D. Samuel
Calgon Carbon Corporation
McKane Elizabeth
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