Used as a water filtration anthracite, anthracite filter material particles.
Anthracite, commonly known as ' white coal ', is the deepest coal level of coal. Anthracite filtration is a water treatment filter material. This product is a selection of high quality anthracite in Shanxi and Ning Sha (white coal) as a raw material by crushing, screening, washing and processed. Features: high carbon content, density, strength, appearance and gloss, chemical stability, has better particle retention capacity. Does not contain toxic substances. In acid, insoluble in neutral water. Strong resistance wear resistance, there is enough surface area and a reasonable size gradation. Due to its better particle retention capacity, so it can more effectively improve the suspended particle scavenging. Suitable for drinking water and industrial water filtration.
Anthracite filter material technical requirements:
1, anthracite filter breakage and wear rate and should not be greater than 3% (percentage by mass, as below).
2, anthracite filter material the average density of not less than 1.4g/cm3, no more than 1.6g/cm3.
3, anthracite filters do not contain visible Earth, shale and foreign debris. Mud weight should not exceed 3%, densities greater than 1.8g/cm3 matter content should not be greater than 8%.
4, not soluble in hydrochloric acid of anthracite coal rate should be greater than 3.5%.
Anthracite filter medium particle size:
1, anthracite size range for drinking are: 0.8-1.2mm, 1.2-2mm, 0.8-1.8mm; Anthracite size ranges for industrial water use: 1-2mm, 2-4mm, 3-5mm, 4-6mm.
2, in a wide size range of anthracite, is less than the specified minimum size should not be larger than 3%, is greater than the specified maximum size should not be larger than 2%.
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