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Product Description
Volcanic rock filter media(F02), Filter media in water treatment Volcanic rock filter media(F02) advantage: Volcanic rock makes and excellent biological and mechanical filter media High poros Ideal for biofall, barrel and similar pond filters Ideal for wet/dry and canister aquarium filter
Average Parameters of Physical Performance Test for Volcanic filter
Performance | Unit | Test Result | Performance | Unit | Test Result |
Bulk density | Kg/m3 | 740 | BET | m2/g | 13.6-25.5 |
Specific density |
| 1:1.29 | Compressive strength | Mpa | 5.78 |
Moisture | % | 0.9-1.0 | Shear strength | Mpa | 3.98 |
Porosity | % | 73-82 | Friction loss rate | % | <1 |
Organic matter removal | % | Above 80 | Start time for hanging film | Hour | 27 |
COD removal | % | Above 85 | Hydrochloric acid soluble rate | % | <1.0 |
BOD removal | % | 75-93 | Stripping material | Containing beneficial micro-minerals and trace elements | |
Ammonia, nitrogen removal | % | Above 85 | Appearance | Full particles, similar to the globular | |
Main Chemical Composition of Volcanic filter
Chemical composition | SiO2 | CaO | MgO | Fe2O3 | Al2O3 |
Content % | 43.27 | 9.86 | 1.49 | 11.86 | 14.71 |
Volcanic Stone