How does the activated carbon filter work?

The adsorption principle of the activated carbon filter is to form a balanced surface concentration on the surface of the particles, and then adsorb the organic substance impurities into the activated carbon particles, and the adsorption effect at the initial stage is high. However, after a long period of time, the adsorption capacity of activated carbon will be weakened to varying degrees, and the adsorption effect will also decrease. If the water in the aquarium is turbid and the organic content in the water is high, the activated carbon will soon lose its filtering function. Therefore, activated carbon should be cleaned or replaced regularly.

The size of the activated carbon filter particles also has an effect on the adsorption capacity. In general, the smaller the activated carbon particles, the larger the filtration area. Therefore, the total area of ​​the powdered activated carbon is large, and the adsorption effect is good, but the powdered activated carbon easily flows into the aquarium with water, which is difficult to control and is rarely used. Granular activated carbon is not easy to flow due to particle formation, and impurities such as organic matter in water are not easily blocked in the activated carbon filter layer, and its adsorption capacity is strong, and it is convenient to carry and replace.

The adsorption capacity of the activated carbon filter is proportional to the time of contact with water. The longer the contact time, the better the water quality after filtration. Note: The filtered water should flow out of the filter layer slowly. The new activated carbon should be cleaned before use*, otherwise black ink will flow out. Before the activated carbon is installed in the filter, it should be spread with 2~3 cm thick sponge at the bottom and top to prevent the penetration of large particles such as algae. After 2~3 months of activated carbon, if the filtration effect is reduced, it should be exchanged. New activated carbon and sponge layers should be replaced regularly.

The activated carbon filter pressure vessel is a pressure vessel filled with a thick quartz sand cushion and high quality activated carbon.

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