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Rare earth ceramic sand filter
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It was widely used in filtration media and layer in single or double layer unit, multi-media filtration equipment, ion exchange ware, all kinds of the industrial and city process water and etc. Besides the normal property of porcelain sand filter, rare earth porcelain sand filter has the better pollutant entrapment ability and chemical stability, for rare earth is a kind of material, which has better strength and higher corrosion resistance. Therefore, rare earth porcelain sand can be especially used in filtration media and high-efficiency filtration media .
1Chemical composition
Composition | SiO2 | Fe2O3 | MgO | Al2O3 | CaO | K2O+Na2O | Rare earth element |
Content(%) | 68-74 | < 0.1 | < 0.7 | 18-24 | 0.5 | 4 | tittle |
Remarks:We make the production in terms of technical requirements from the customer.
2Physical Features:
Item | Index | Remarks |
Acid resistance | 99.5% | Dipping in 30% hydrochloric acid & 50% Sulfuric acid for two weeks |
Alkaline resistance | 82.5% | Soaked in lye for two weeks |
Compressive strength | 2800-3500 kg/cm² | Los Angeles method |
Hardness | Grade 7 | Mohs |
Wear resistance | 0.15-0.2% |
|
Heat resistance | >1000 |
|
Thermal conductivity | 4.415 KJ/MH°C |
|
Specific heat | 628-837 J/KG°C |
|
Specific gravity | 2.38 g/cm3 |
|
Heaping density | 1.98 g/cm3 |
|
Water absorption | 0.5-22% |
|
Breaking rate | 0.75% |
|
Void | 28.6% | Heaping method |
3Specification:
Item | Size(mm) | |||
Filters material | 0.51.0 | 1.02.0 | 2.04.0 | 4.08.0 |
First floor | 2.04.0 | 4.08.0 | 8.024.0 | 24.032.0 |
Rare earth ceramic sand filter
