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APS TechNotes See all articles

Chemical Requirements for Iron Oxidation

Chemical Requirements for Iron Oxidation
OxidantAmount needed to oxidize 1 ppm Iron
Oxygen (02)0.14 ppm
Chlorine (C12)0.62 ppm
Ozone (03)0.86 ppm
Potassium Permanganate (Kmn04)1.00 ppm
Iodine (I3)3.60 ppm
Hydrogen Peroxide0.50 ppm
The minimum retention time for the above is 20 minutes
with the exception of iodine which needs 25 minutes.

Chemical Requirements for Manganese Oxidation
OxidantAmount needed to oxidize 1 ppm Mn
Oxygen (02)0.21 ppm
Chlorine (C12)2.00 ppm
Ozone (03)1.60 ppm
Potassium Permanganate (Kmn04)2.70 ppm
Iodine (I3)7.20 ppm
Hydrogen Peroxide1.00 ppm
The minimum retention Time for the above is 20 minute with the exception of potassium permanganate
which requires 25 minute and iodine which requires 30 minutes.

Chemical Requirements for Hydrogen Sulfide Oxidation
OxidantAmount needed to oxidine 1 ppm H2S
Chlorine (c12)3.00 ppm
Potassium Permanganate (KMn04)6.00 ppm
Iodine (I3)10.8 ppm
Hydrogen Peroxide (H202)1.05 ppm
Ozone (03)2.00 ppm
The minimum contact time for the above oxidizing
agents is 30 minutes with the exception of potassium permanganate
which requires 35 minutes and iodine which is 45 minutes.






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