BiOSURE OZONE vs. CHLORINE: Disinfection Effectiveness

Disinfection Effectiveness

BIOSURE OZONATED WATER HAND WASH REPORT from Dokkyo Medical University, Japan

HAND WASH REPORT

SGS TEST BIOSURE OZONATED WATER DISINFECTION REPORT

  Test Item 0sec 5sec 15sec Reduction(%)
Antimicrobial
Effectiveness
Testing		 Staphylococcus aureus (CFU/ml)
Escherichia Coli (CFU/ml)
Salmonella (CFU/ml)
Pseudomonas aeruginosa (CFU/ml)
Candida albicans (CFU/ml)
MRSA (CFU/ml)

5.4×105
2.5×105
1.7×105
4.5×105
1.3×105
1.3×105 		Not Detected
6.1×10
1.9×10
Not Detected
Not Detected
Not Detected 		Not Detected
< 10
Not Detected
Not Detected
Not Detected
Not Detected		 >99.999
  99.99
  99.9
>99.999
>99.999
>99.999
Decomposition
of Residual Pesticide		 Mevinphos
Permethrin		 0.642
0.559		 0.000
0.0337		 100
94
 
Total
Residual Chlorine		 Tap Water (mg/L)
 O3
Water (mg/L)		  
0.10 0.02 80
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CT VALUES

According to research,
the effectiveness of a chemical to inactivate a microorganism
(bacteria or virus) based on hemical concentration and contact
time can be epresented as its “CT” value: where C is the concentration
of the hemical dissolved in water (ppm) and T is its continuous
contact time with the microorganism. It expresses the effect
of the chemical concentration and time interaction needed to
inactivate the microorganism.		  
US EPA
CT Values (ppm*min)
for Virus Inactivation by Ozone
Temperature
?
Inactivation
 <1 5 10 15 20 25
2-log 0.9 0.6 0.5 0.3 0.25 0.15
3-log 1.4 0.9 0.8 0.5 0.4 0.25
4-log 1.8 1.2 1.0 0.6 0.5 0.3
     
CT Values
(ppm*min) For 99.9% Inactivation
of Giardia and 99.99% Virus
Data for 5?
Free Chlorine Chloramine
 Chlorine
Dioxide		 Ozone
pH
  pH 6~7 pH 8~9 pH 6~7 6~7
Giardia 122 2,200 26.0 1.9
Virus 8 1,988 33.4 1.2
Taken from:
“Optimizing Water Treatment Plant Performance Using Composite
Correction Program.” prepared by Process Applications,
Inc., for the U.S. EPA, Office of Drinking Water, Cincinnati,
Ohio.
 
Ct values
(mg.min/L) for inactivation of
Cryptosporidium by ozone*
Temp(?) 99% 99.9%
0.5 57.9 83
5 32.5 46.6
10 17.5 25.1
15 9.6 13.8
20 5.39 7.73
25 3.08 4.42
30 1.79 2.96
From Table 13.1 of the
Drinking-Water Standards for New Zealand 2000.

BIOSURE OZONE vs COMMON DISINFECTION

BioSure’s ozone generation
system enables ozone to be used more effectively in a range
of applications because of the following features:
– Tap water is the only required input
– Generates High concentration ozonated water
– High ozone dissolution and efficient destruct technology

With BioSure’s point-of-use products ozone can now be used in
a much larger range of applications with greater cost effectiveness.

Comparisons of Ozone with other Disinfectants:

Application, Operation, Effectiveness and Convenience

  
  BioSure
Ozone		 Alcohol
Gel		 Liquid
Chlorine		 Chlorine
Dioxide		 Heat &
Steam
Hand
Sanitation
 ? ? ? ? ×
Produce Wash ? × ? ? ×
Utensil Disinfection ? × ? ? ?
Water Disinfection ? × × × ×
Surface Disinfection ? × ? ? ×
Deodorizing ? × × × ×
Thawing ? × × × ×
Pre-Storage Rinse ? × × × ×
     
  BioSure Ozone Alcohol Gel Liquid Chlorine Chlorine Dioxide Heat & Steam
Efficacy highest medium low medium medium high medium low
No chemical residues ? × × × ?
Initial cost medium low low low high
Running cost low medium medium medium medium
Reliable Efficacy ? × × × ×
Safe Operation ? × × × ×
Simple Use ? ? × × ×
Sustainable Operation ? × × × ×
Fast effectiveness <10mins ? × × × ×
Energy/water expenditure low low high water high water high
     
  BioSure
Ozone		 Alcohol
Gel		 Liquid
Chlorine		 Chlorine
Dioxide		 Heat &
Steam
Effective on bacteria ? ?* ?* ?* ?*
Effective on viruses ? × × × ×
Effective on pesticides ? × × × ×
Residual disinfection ?** ?* ?* ?* ×
Free from chemical storage ? × × × ?
Effective deodorizer ? × × × ×

Compatible with all
materials (including row food
materials)

? × × × ×
Extend shelf time ? × × × ×
Environmentally ? × × × ×
Friendly ? × × × ×
* Effective
in lab controlled test but proven to be inconstant in
practical application.
** Ozone has a residence time of 20 minutes, Biotek Ozonated
water will provide disinfection more than 10 minutes after
output