MGF Comparison
MGF Comparative characteristics to main import filtering mediums in equal status exploitation| № п/п | Characteristics, Service conditions |
BIRM | MGF | MZ Greensand | QUANTUM DMI-65 |
| 1. | Raw materials | Silicon dioxide, coated manganese dioxide | Dolomite | Zeolite potassium permanganate | Catalist sand |
| 2. | Maximum manganese allowance (Mn) and iron (Fe) in purifying water | 4 | Up to 50 | 15 | 20 |
| 3. | Water oil products and oil admissibility | no | Acceptable | Acceptable | Acceptable |
| 4. | H2S admissibility in water | no | Acceptable | Acceptable | Acceptable |
| 5. | Sensitivity to chlorine in purifying water | Violent activity contraction | no | no | Violent activity contraction |
| 6. | Oxidant used by filtering mediums | oxygen | Any | KMnO4 | Continued dosing by hypochlorite sodium |
| 7. | pH value operative range | 7,0 - 9,0 | 4,5 - 9,0 | 6,8 - 8,8 | 5,8 - 8,6 |
| 8. | Need for correction pH values | рН <6,8 | No necessity | рН <6,2 | рН <6,2 |
| 9. | Capacitance by Fe (g Fe on dm3 fill) | 1,0 | 2 | 0,5 - 0,64 | 0,5 |
| 10. | Regeneration cycle structure, regeneration algorithm | Water backwashing | Water backwashing; approximate time – 15 minutes | Backwashing, regeneration (fill characteristics reclaiming by means KMnO4) post-regeneration cleaning; 1,5-2 hours | Backwashing; approximate time – 15 minutes |