Resources / Calculators

Manganese dioxide filter calculator

Size filters for iron, manganese and hydrogen sulfide removal: media volume, recommended tank and operating parameters.

Input data

ppm · cap. 27
ppm · cap. 11
ppm · cap. 17

Sizing results

—Media to load (ft³)
—Selected OEM tank
—Filtration velocity (gpm/ft²)

Selected tank (OEM catalog)

Operating parameters

Filter media by layer

LayerVolume (ft³)Volume (L)Approx. weight (kg)

Values per tank unit. MnO₂ ≈114 lb/ft³ · gravel ≈1600 kg/m³. Check against the media data sheet.

Data sheet — Manganese dioxide (design reference)
Service flow6 gpm/ft³
Removal capacity — Iron27 ppm
Removal capacity — Hydrogen sulfide17 ppm
Removal capacity — Manganese11 ppm
Minimum bed depth20 in
Freeboard30–50 %
Backwash @ 60°F12–15 gpm/ft²
pH range5,0–9,0
Bulk density114 lb/ft³
Packaging½ ft³ bag (57 lb)

Results are for reference and intended for pre-design. Our engineering team validates every design with the water analysis and the actual project conditions.

Would you like us to validate your design?

Send us the calculator results and your water analysis. We will propose the right equipment, with local installation and technical service.