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Ceramic filter grain
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Introduction:
Ceramic filter materials is produced by milling, sieving, shaping and calcining high-quality pottery clay which is mixed with pore-forming agent and solubilizer.
Advantages:
It featured with hard surface, porous interior, large specific surface area and large porosity etc., Under the same conditions, the water yield of ceramic filter grain is several times higher than that of quartz sand filter materials and back-flushing. As the result the water consumption can be saved more than 35-50%.
Application:
Ceramic filter grain with high filtration rate and long regeneration period can be used as filter material in slow filter, rapid filter, single-layer filter and multilayer filter to purify city tap water, industrial water and wastewater.
In addition,it can also be used as microbial carrier to form bio-filter. It is the best special filter material for removing organic ammonia, nitrite and phosphorus substances in water. Chemical composition of ceramic filter grains:
Name | SiO2 | Al2O3 | Fe2O3 | CaO | MgO | KO2+Na2O | Loss on ignition |
Content | 59.88 | 16.23 | 7.84 | 3.26 | 2.04 | 3.22 | 6.42 |
Main technical indexes of ceramic grains:
Item | reddish brown microporous balls |
Pore diameter | 0.11-35mm |
Apparent density | 0.8-1.1g/cm3 |
Density | 2.26g/cm3 |
Porosity | ≥5.55% |
Breakage rate & wear rate | 1.61% |
Solubility in hydrochloric acid | 2.83% |
Solubility in sodium hydroxide | 1.50% |
Soluble substance | without harmful microelement to human body |
Adsorbability | Iodine 101 adsorbed by active carbon-310% |
Common specification | Φ0.5-2. Φ4-6, Φ16, Φ25, Φ32 |
Ceramic filter grain
