Activated carbon block filter cartridge is a kind of commonly used water treatment equipment. As the pre-treatment of water treatment desalination system, it can adsorb the residual chlorine which cannot be removed in the pre-stage filtration, which can effectively ensure the service life of the post-stage equipment, improve the effluent quality, prevent pollution, especially prevent the pollution of free residual chlorine poisoning of post-stage reverse osmosis membrane, ion exchange resin and so on. activated carbon for water treatment It has outstanding properties for odour, organic matter, and residual chlorine in water. It also plays a good role in reducing the turbidity, chromaticity, purification of water quality and pollution to the follow-up system.

The working principle of activated carbon block filter cartridge is to form a layer of equilibrium surface concentration on the surface of activated carbon particles. The size of activated carbon particles also has an effect on the adsorption capacity. Generally speaking, the smaller the activated carbon particles, the larger the filtration area. Therefore, the total area of powdered activated carbon is the largest and the adsorption effect is the best, but the powdered activated carbon is easy to flow into the water tank with water, which is difficult to control and rarely used.

Activated carbon block filter cartridge has strong adsorption capacity, because the surface area of carbon particles is very large, so it can fully contact with impurities. When these impurities are adsorbed by capillary tubes, it can realize the detection function of BET method (with direct comparison method). Moreover, it is also fully automatic and intelligent specific surface area detection equipment, and its test results are in good agreement with the international level and the stability is also very good. Meanwhile, the artificial error is reduced and the accuracy of the test results is improved.

Property of Active Carbon Block Filter Cartridge

The long diameter design of hydraulic simulation is adopted in the cylinder block of activated carbon block filter cartridge, and the high efficiency activated carbon with reasonable particle size and specific surface area greater than 1000 / g is adopted, which makes it have the functions of both upper layer special effect filtration and lower layer high efficiency adsorption, which greatly improves the degree of water production purification and the service life of carbon.

In the filtration process, the filter media in the activated carbon block filter cartridge can be filled with 0.15 ≤ 0.4 m high quartz sand as the supporting layer, and the quartz sand can be filled with 1.0 m 1.5 m granular activated carbon as the filter layer. The filling thickness is generally 1000 m / 2000 mm. Before loading activated carbon filter, quartz sand of bottom filter shall be subject to solution stability test. After soaking for 24 hours, the following requirements shall be met: increase of total solid type shall not exceed 20mg/L. The increase in oxygen consumption shall not exceed 10mg/L. After soaking in alkaline medium, the increase of silica shall not exceed 10mg/L.coconut shell activated carbon company


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