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What is OZONE ? : |
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Ozone is "active oxygen", nature's special element and a beautiful gift to mankind. Ozone is a triatomic allotrope of oxygen formed by recombination of oxygen atoms. It is a colourless gas with characteristic pungent odor and can easily be detected at low level of 0.05 ppm. It is a very strong oxidant and is over 3000 times more powerful disinfectant than chlorine. It disinfects, oxidizes, deodorizes and decolorizes. |
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Ozone Properties : |
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| Property |
Ozone |
vs. Oxygen |
| Molecular Formula: |
O3 |
O2 |
| Molecular Weight: |
48 |
32 |
| Color: |
light blue |
colorless |
| Smell: |
- clothes after being outside on clothesline
- photocopy machines
- smell after lightning storms |
- odorless |
| Solubility in Water (@ O-deg C): |
0.64 |
0.049 |
| Density (g/l): |
2.144 |
1.429 |
| Electrochemical Potential, V: |
2.07 |
1.23 |
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Typical O3 half-life vs. Temperature |
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| Gaseous |
Dissolved in Water (pH 7) |
Temp (C) |
half-life * |
-50 |
3-months |
-35 |
18-days |
-25 |
8-days |
20 |
3-days |
120 |
1.5-hours |
250 |
1.5- seconds |
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| Temp (C) |
half-life |
| 15 |
30-minutes |
| 20 |
20-minutes |
| 25 |
15-minutes |
| 30 |
12-minutes |
| 35 |
8-minutes |
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* These values are based on thermal decomposition only. No wall effects, humidity, organic loading or other catalytic effects are considered. |
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Ozone Solubility : |
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The solubility of ozone depends on the water temperature and the ozone concentration in the gas phase: Units in mg/l or ppm. |
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O3 GAS |
5o C |
10o C |
15o C |
20o C |
1.5% |
11.09 |
9.75 |
8.40 |
6.43 |
2% |
14.79 |
13.00 |
11.19 |
8.57 |
3% |
22.18 |
19.50 |
16.79 |
12.86
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 Oxidizing Potential Of Various Reagents |
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| Oxidizing Reagent |
Oxidizing Potential |
| Ozone |
2.07 |
| Hydrogen Peroxide |
1.77 |
| Permanganate |
1.67 |
| Chlorine Dioxide |
1.57 |
| Hypochlorous acid |
1.49 |
| Chlorine Gas |
1.36 |
| Hypobromous acid |
1.33 |
| Oxygen |
1.23 |
| Bromine |
1.09 |
| Hypoiodous acid |
0.99 |
| Hypochlorite |
0.94 |
| Chlorite |
0.76 |
| Iodine |
0.54 |
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Benifits of Ozone : |
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- Ozone is 51% more powerful on bacterial cell walls than chlorine.
- Ozone kills bacteria 3100 times faster than chlorine.
- Ozone is the most powerful broad spectrum microbiological control agent available.
- Ozone ELIMINATES the use of hot water and conventional sanitizer.
- Ozone virtually eliminates all chemical usage.
- Ozone is chemical-free; it produces NO toxic by-products.
- Ozone has full FDA approval for direct-food contact application.
- Ozone is clean and environment-friendly; its only by-product is oxygen.
- Ozone is extremely effective as a disinfectant at relatively low concentrations.
- Ozone is generated on site, eliminating the transporting, storing and handling of hazardous materials.
- Ozone is very inexpensive to produce and has an unlimited supply.
- Ozone is much safer for employees than conventional chemicals.
- Ozone extends the shelf life of food products.
- Ozone permits recycling of wastewater.
- Ozone reduces Biological Oxygen Demand (BOD).
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