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grill lava stone
| Model No. : | 5-50mm |
|---|---|
| Brand Name : | XINHUI |
Product description
item | standard | item | standard |
Volume weight | 850kg/M3 | Specific surface area | 13.6-25.5M2/g |
Specific gravity | 1.4 | Compressive strength | 5.78Mpa |
Water content | 0.9-1.0% | Shear strength | 3.98Mpa |
poriness | 73-82% | Friction loss rate | 1% max. |
Organic substance removal | 80% min. | Hanging membrane time | 27hours |
Removal rate of COD | 85% min. | Solubility in hydrochloric acid | 1.0% max. |
Removal rate of BOD | 75-93% | Dissovled matter | Slight rate of beneficial minerals and trace components |
| Removal rate of ammonia & nitrogen | 85% min. | appearance | Similar ball |
application of natural lava stone: 
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