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aThe dosage requirements differ because ozone is introduced as 1% O3 in air; the oxygen present in air helps to keep the system aerobic, preventing H2S formation; and the dosage indicated for chlorine is sufficient to prevent further H2S formation, while the ozone dosage is not.

aThe dosage requirements differ because ozone is introduced as 1% O3 in air; the oxygen present in air helps to keep the system aerobic, preventing H2S formation; and the dosage indicated for chlorine is sufficient to prevent further H2S formation, while the ozone dosage is not.

© 1999 by CRC Press LLC

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