228116

AWWA QTC97100

Ultraviolet Irradiation (UV) for the Inactivation of Cryptosporidium in Water

Conference Proceeding by American Water Works Association , 01/01/1997

Clancy, J.L.; Marshall, M.M.; Dyksen, J.E.

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Full Description

Cryptosporidium oocysts are highly resistant to conventional chlorine-based disinfectants. An innovative method using ultraviolet irradiation was tested at full-scale (400 gpm) for its ability to inactivate Cryptosporidium oocysts. In vitro surrogates (excystation, DAPI/PI and the SYTO dyes) indicated at least 2-log inactivation based on the limitations of those assays. Animal infectivity studies using the neonatal mouse model showed a >4-log inactivation of Cryptosporidium in three separate trials. The technology appears to be a novel way to treat drinking water and provide an additional significant barrier in protecting public health.
 

Product Details

Published:
01/01/1997
ISBN(s):
0898679583
Number of Pages:
9
File Size:
1 file
Note:
This product is unavailable in Ukraine, Russia, Belarus