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Disinfecting the Water Using Peroxone


Quiz Questions

1. The ratio of direct oxidation with molecular ozone is relatively slow (10-5-107M-1sec-1) compared to hydroxyl radical oxidation (1012-1014M-1sec-1), but the concentration of ozone is relatively high.
True
False
2. A key difference between the ozone and peroxone processes is that the peroxone relies heavily on the direct oxidation of aqueous ozone while ozone process relies primarily on oxidation with hydroxyl radical.
True
False
3. Peroxone will oxidize the saturated organics and produce byproducts similar to those found in ozonation namely- aldehydes, ketones, peroxides, bromate ion, and biodegradable organics.
True
False
4. The key difference between ozone and peroxone is in the primary oxidation mode that is direct oxidation or hydroxyl radical oxidation.
True
False
5. The Ozone has a _____________________ ability to oxidize iron and manganese.
Excellent
Less effective
6. The ability of Ozone to oxidize chlorinated organics is _____________ .
Poor
Good
7. Peroxone is used to remove taste and odor causing compounds because many of these compounds are very resistant to oxidation.
True
False
8. Peroxone is also used for the destruction of __________________and________________________.
Pesticides
Herbicides
Both of the above
9. The use of peroxone as a primary disinfectant and chloramines as a secondary disinfectant can successfully control halogenated DBP formation if bromide ion is not present and adequate CT credit can be established.
True
False
10. The most widespread method for the colorimetric determination of hydrogen peroxide is based on the oxidation of a Titanium (IV) salt.
True
False
11. _______________can be stored in polyethylene drums or tanks.
Peroxide
Ozone
12. Peroxide is a strong oxidant and contact with personnel is extremely dangerous which is a ________________
Disadvantage of Peroxone use
Advantage of Peroxone use
13. The disinfection ability for peroxone is ___________________.
Excellent
Good
14. Alkalinity, bicarbonate, and pH play a major role in the effectiveness of hydroxyl free radicals.
True
False
15. Peroxone’s ability to oxidize iron and manganese is ________________than that of ozone.
Less effective
More effective
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