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Specification and working principle of activated carbon filter
Haze pollution is not only caused by PM2.5 pollution, but also a part of odorous pollution that needs to be removed by activated carbon filters
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Haze pollution is not only caused by PM2.5 pollution, but also a part of odorous pollution that needs to be removed by activated carbon filters. You may know about activated carbon filters from water treatment. Activated carbon filters are mainly used to remove organic matter and residual chlorine from water, as well as to remove odors, color, and other pollutants in water. Usually, high-quality fruit shells should be used first for activated carbon to ensure good mechanical strength, fast adsorption speed, and large adsorption capacity. Activated carbon has a dual function: firstly, adsorption; The second is filtration. Activated carbon has a large number of functional groups such as hydroxyl and hydroxyl groups on its surface, which can chemically adsorb various types of organic substances, as well as electrostatic attraction. Therefore, activated carbon can remove organic substances such as humic acid, fulvic acid, and essential sulfonic acid from water; Organic pollutants (such as phenolic compounds); It can also remove residual oxidants, free residual chlorine, odors, harmful gases, etc. from water. Activated carbon can also remove heavy metal ions such as Hg, Cd, and Cr from water. Activated carbon filters generally operate at a flow rate of 10-20m/h.
Due to the porous structure of the filter material inside the activated carbon filter and the nutrient rich organic matter adsorbed by the activated carbon, it provides a breeding environment for bacteria. Therefore, the activated carbon filter needs to be regularly sterilized or chemically treated.
Backwashing method: A combination of air and water is used for backwashing, with a backwashing intensity of 0.5m ³/(m ². s) and a backwashing time of 10-15 minutes (or backwashing flow rate of 20-30m/h, backwashing time of 4-10 minutes, backwashing once every 3-6 days, with a filter expansion rate of 30% -50%).
Based on the above principles, activated carbon air filters also have the above high-quality effects, especially in removing the irritating odors of formaldehyde and benzene in the air.
Specification of activated carbon filter
Activated carbon filters generally use aluminum profiles as the outer frame, and the internal filter element adopts two methods: 1) filling activated carbon particles inside the fiber cotton; 2. The honeycomb filter is filled with activated carbon particles (Figure:
）. The advantage of the former lies in its ability to balance dust removal and purification, simple process, high cost-effectiveness, and suitability for places with less irritating odors. The second type is a pure activated carbon filter, which can be used in conjunction with a middle school high-efficiency filter in complex air environments. Otherwise, it is easy to block and affect the adsorption of activated carbon.
The service life of activated carbon is generally 1-3 years, and saturated carbon can be regenerated or replaced. This article was compiled by Air Filter Factory www.klnkln.com. Please indicate the source when reprinting. Thank you
Due to the porous structure of the filter material inside the activated carbon filter and the nutrient rich organic matter adsorbed by the activated carbon, it provides a breeding environment for bacteria. Therefore, the activated carbon filter needs to be regularly sterilized or chemically treated.
Backwashing method: A combination of air and water is used for backwashing, with a backwashing intensity of 0.5m ³/(m ². s) and a backwashing time of 10-15 minutes (or backwashing flow rate of 20-30m/h, backwashing time of 4-10 minutes, backwashing once every 3-6 days, with a filter expansion rate of 30% -50%).
Based on the above principles, activated carbon air filters also have the above high-quality effects, especially in removing the irritating odors of formaldehyde and benzene in the air.
Specification of activated carbon filter
Activated carbon filters generally use aluminum profiles as the outer frame, and the internal filter element adopts two methods: 1) filling activated carbon particles inside the fiber cotton; 2. The honeycomb filter is filled with activated carbon particles (Figure:
）. The advantage of the former lies in its ability to balance dust removal and purification, simple process, high cost-effectiveness, and suitability for places with less irritating odors. The second type is a pure activated carbon filter, which can be used in conjunction with a middle school high-efficiency filter in complex air environments. Otherwise, it is easy to block and affect the adsorption of activated carbon.The service life of activated carbon is generally 1-3 years, and saturated carbon can be regenerated or replaced. This article was compiled by Air Filter Factory www.klnkln.com. Please indicate the source when reprinting. Thank you
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