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Katalox okker-filtermedie 1 liter

1 liter i plastbeholder eller i pose. Lavet af dette tyske firma. Det består af 85% zincorb, 10% manganese dioxide og hydrated lime. The media is regenerated through backwash with simultaneous dosing of ozone or through aeration.

• Appearance: black granulate
• Smell: none
• Size: 0.6 - 1.4 mm
• Coefficient of homogeneity: ≤ 1.75
• Volumetric mass density: 1060 kg/m³ (1 litr/1,06 kg)
• Moisture content: <0.5% at an iron supply of Fe²⁺ 3000 mg/l ; Mn²⁺ 1500 mg/l
• Filtration capacity:
• Fe²⁺ 3000 mg/l
• Mn²⁺ 1500 mg/l
• H₂S 500 mg/l

• pH of the supplied water: 5.8 - 10.5
• Free surface: 25 - 35%
• Minimum media height: 75 cm
• Optimal media height: 120 cm
• Water flow during operation: 15 - 30 m/h
• Backwash: 20 - 25 m/h
• Duration of backwash: 5 - 10 min