Used water treatment filter media anthracite, anthracite filter particles.
Anthracite commonly known as 'anthracite', is the deepest coal rank coal. Anthracite filter is a filter with a filter water treatment industry. This product is the choice of Shanxi and Ningxia quality anthracite (hard coal) as raw material, crushing, screening min, washed processing features are: fixed carbon content, high density, high strength, good appearance gloss, chemical stability, has a good ability to maintain solid particles contain toxic and harmful substances in acidic, neutral not dissolved in water. compression wear resistance, there is sufficient specific surface area and particle size gradation reasonable due to have a better ability to maintain solid particles, it is possible to more effectively improve the ability to remove suspended particles suitable for drinking life filtered water and industrial water.
Anthracite technical requirements:
1, anthracite filter media fragmentation rate and the wear rate of the sum should not exceed 3% (percentage by mass, the same below).
2, the average density of anthracite filter is generally not less than 1.4g / cm3, not more than 1.6g / cm3.
3, anthracite filtration capacity should be free of visible dirt, shale and foreign debris. Clay content should not exceed 3%, the content of the material density greater than 1.8g / cm3 should not exceed 8 percent.
4, Anthracite hydrochloric acid soluble rate should not exceed 3.5%.
Anthracite filter particle size:
1, anthracite particle size range for drinking water is: 0.8-1.2mm, 1.2-2mm, 0.8-1.8mm; industrial water anthracite particle size in the range: 1-2mm, 2-4mm, 3-5mm, 4-6mm.
2, in various particle sizes in the range of anthracite, particle size less than the specified lower limit should not exceed 3%, greater than the specified upper limit of the particle size should not exceed 2%.
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