China Factory Supply Lava Stone Pumice Stone for Aquatic Animals Culture of Nitrifying Bacteria, Find details about China Tiles, Building Material from Factory Supply Lava Stone Pumice Stone for Aquatic Animals Culture of Nitrifying Bacteria
index | Unit | Test result | Index | Unit | Test result |
Volume weight | Kg/m3 | 740 | Surface acreage | m2/g | 13.6-25.5 |
Density | __ | 1:1.29 | Compression strengh | Mpa | 5.08 |
Water content | % | 0.9-1.0 | Shear strengh | Mpa | 3.98 |
Porosity | % | 73-82 | Friction loss rate | % | <1 |
Organic matter removing | % | >80 | membrane-forming time | hour | 27 |
COD removing | % | >85 | HCL soluble | % | >801.0 |
BOD removing | % | 75-93 | NH4+,N2 removing | % | >85 |