Abstract
1. Ozone is a promising reagent for purifying and repurifying waste water. Since it has the highest oxidation-reduction potential of any known oxidant, it gives practically complete purification of the waste water. 2. Ozone may be used to purify and repurify waste water of petroleum products, hydrogen sulfide, sulfur compounds, phenols, cyanides, and other substances. 3. Ozonation of waste water requires no complicated equipment, nor transportation of the reagent. The ozone is produced on the spot where the waste water is being purified from the air, using ozonators that require nothing more than electric power. 4. No precipitates are formed in the purified waste water, which makes the purification equipment considerably easier to operate.
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