Chemical Requirements Tables - by Nelsen Corporation

Chemical Requirements for Iron Oxidation

Amount needed to oxidize 1 ppm Iron

0.14 ppm
0.62 ppm
0.86 ppm
1.0 ppm
3.6 ppm
0.5 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

Amount needed to oxidize 1 ppm Iron

0.21ppm
2.00 ppm
1.60 ppm
2.70 ppm
7.20 ppm
1.00 ppm

The minimum retention time for the above is 20 minutes with the exception of potassium permanganate which requires 25 minutes and iodine which requires 30 minutes.

Chemical Requirements for Manganese Oxidation

Amount needed to oxidize 1 ppm Iron

3.00ppm
6.0 ppm
0.8 ppm
1.05 ppm
2.0 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.