Drinking water disinfection efficiency

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Question

What is the efficiency of drinking water disinfection methods, reported in log-clearance?

Answer

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Rationale

Data

References of efficiency of disinfection methods
Method Campylobacter E.coli O157:H7 Rotavirus Norovirus Cryptosporidium Giardia
UV [1] [1] [1] [1] [1] [1]
Chlorination [2]; [3] [4]; [5] [6] [7] [8] [9]
Ozonization [10] [10]


Drinking water disinfection efficiency(log-decrease)
ObsTreatmentMethodPathogenUnitResult
1UVcampylobacterLogdecrease26.4
2UVE.coli O157:H7Logdecrease19.3
3UVrotavirusLogdecrease3.1
4UVnorovirusLogdecrease3.2
5UVcryptosporidiumLogdecrease8.8
6UVgiardiaLogdecrease5.0
7OzonizationcampylobacterLogdecrease0
8OzonizationE.coli O157:H7Logdecrease0
9OzonizationrotavirusLogdecrease0
10OzonizationnorovirusLogdecrease0
11OzonizationcryptosporidiumLogdecrease2
12OzonizationgiardiaLogdecrease2
13NonecampylobacterLogdecrease0
14NoneE.coli O157:H7Logdecrease0
15NonerotavirusLogdecrease0
16NonenorovirusLogdecrease0
17NonecryptosporidiumLogdecrease0
18NonegiardiaLogdecrease0

Calculations

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Cut the data saved to the previous ovariable by chosen disinfection methods. The default choice includes UV and Ozonization. The creation of the ovariable with the choices can be found on page Drinking water treatment efficiency

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See also

References

  1. 1.0 1.1 1.2 1.3 1.4 1.5 Hijnen et al. 2006: Inactivation credit of UV radiation for viruses, bacteria and protozoan (oo)cyst in water: a review. Water Research 40(1) p3-22
  2. Blaser, M. J., Smith, P. F., Wang, W.‐L. L. and Hoff, J. C. (1986). "Inactivation of Campylobacter jejuni by Chlorine and Monochloramine." Applied and Environmental Microbiology 51(2): 307‐311.
  3. Lund, V. (1996). "Evaluation of E. coli as an indicator for the presence of Campylobacter jejuni and Yersinia enterocolitica in chlorinated and untreated oligotrophic lake water." Water Research 30(6): 1528‐ 1534.
  4. Blaser, M. J., Smith, P. F., Wang, W.‐L. L. and Hoff, J. C. (1986). "Inactivation of Campylobacter jejuni by Chlorine and Monochloramine." Applied and Environmental Microbiology 51(2): 307‐311.
  5. Lund, V. (1996). "Evaluation of E. coli as an indicator for the presence of Campylobacter jejuni and Yersinia enterocolitica in chlorinated and untreated oligotrophic lake water." Water Research 30(6): 1528‐ 1534.
  6. Rice, E. W., Hoff, J. C. and III, F. W. S. (1982). "Inactivation of Giardia cysts by chlorine." Applied and Environmental Microbiology 43(1): 250‐251
  7. Keswick, B. H., Satterwhite, T. K., Johnson, P. C., DuPont, H. L., Secor, S. L., Bitsura, J. A., Gary, G. W. and Hoff, J. C. (1985). Inactivation of norwalk virus in drinking water by chlorine. Applied and Environmental Microbiology 50(2): 261-264.
  8. Benito Corona-Vasquez, Amy Samuelson, Jason L. Rennecker and Benito J. Mariñas (2002): Inactivation of Cryptosporidium parvum oocysts with ozone and free chlorine. Water Research 36, 4053-4063
  9. Rice, E. W., Hoff, J. C. and III, F. W. S. (1982). "Inactivation of Giardia cysts by chlorine." Applied and Environmental Microbiology 43(1): 250‐251
  10. 10.0 10.1 Haas CN, Kaymak B. 2003. Effect of initial microbial density on inactivation of Giardia muris by ozone.Water Res. 2003 Jul;37(12):2980-8.
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