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Impact of UV Disinfection on Biological Stability - Water Research Foundation Report Series (Paperback)
  • Impact of UV Disinfection on Biological Stability - Water Research Foundation Report Series (Paperback)
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Impact of UV Disinfection on Biological Stability - Water Research Foundation Report Series (Paperback)

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£126.00
Paperback 132 Pages / Published: 01/01/2005
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Interest in UV disinfection has increased significantly in recent years, due its ability to inactivate Cryptosporidium parvum. Although UV disinfection shows significant promise for inactivation of Cryptosporidium, very few investigations have examined the impact of UV disinfection on biological stability in distribution systems. Biologically stable water is defined as drinking water that does not promote the growth of microorganisms and is typically achieved either through the removal of substrate and/or by providing a secondary disinfectant. At present there is little information concerning potential synergies between UV treatment and secondary disinfectants for improving biological stability. The overall objective of the research was to evaluate the effect that UV disinfection has on biofilm growth in drinking water distribution systems. In addition, the project's sub-objectives were to (1) determine the potential synergistic effects between primary disinfection with UV treatment and secondary disinfection for controlling bacterial regrowth; (2) compare the effectiveness of chlorine dioxide, free chlorine, and monochloramine for limiting bacterial regrowth in the presence and absence of UV treatment; (3) characterize the chemical intermediates formed during UV/CI2 photocatalysis of natural organic matter; and (4) examine the potential impact of UV/CI2 treatment on the biodegradability of natural organic matter (NOM) for three drinking water utilities. The research was conducted in three phases: Phase 1 provided a direct comparison of chlorine-based disinfectants following UV disinfection; Phase 2 examined the biodegradability of humic material that had been photocatalyzed with UVICI2; Phase 3 characterized the organic byproducts produced following UVICI2 catalysis of post-filtered water obtained from three water utilities. Originally published by AwwaRF for its subscribers in 2004. This publication can also be purchased and downloaded via Pay Per View on Water Intelligence Online - click on the Pay Per View icon below

Publisher: IWA Publishing
ISBN: 9781843398943
Number of pages: 132
Weight: 324 g
Dimensions: 234 x 156 x 18 mm

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