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How long does the ozone last? |
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As soon as ozone is formed in the generator and dispersed in a room, some of it decays back into oxygen. This step occurs by several processes including the following: Natural decay (or revision to oxygen) due to ozones chemical instability. Speeding up of the above process by the presence of such as walls, carpets etc. stimulating the decay process. Oxidation reaction with odour causing organic material which removes ozone. Reactions with bacteria etc., which again consumes ozone by oxidation reactions. Additionally ozone itself has a half life which means that "residual" ozone created (extra unneeded ozone) will return to oxygen within at most 30 minutes, in amounts equal to half its level. What this means is that after each subsequent 30 minute period there would be half as much residual ozone left at the end of the period as was present at the beginning of the period. This is similar to a geometric progression of 16; 8; 4; 2; 1. In practice the half life is usually less than 30 minutes due to bacterial and other contaminants in the air. Therefore, ozone, while very powerful doesn't last long ... just does it's job and disappears.
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