Can the filter material of the activated carbon filter be reused? For many people, this issue is very troublesome. After all, some people say that activated carbon filters can be reused as long as they are done properly. However, some people say that repeated use can affect the filtration effect. Which statement is correct?
The filter material in the activated carbon filter is activated carbon. During the process of adsorbing pollutants, activated carbon adsorbs them through its own porous structure. When activated carbon is used for a long time, the pores in the activated carbon have already adsorbed enough pollutants. After the entire activated carbon is in a saturated state, it cannot adsorb pollutants again. At this time, a certain method can be used to clean the activated carbon, so that the pollutants on the activated carbon can be removed from the activated carbon, and the activated carbon can be "regenerated".
There are many methods for regenerating activated carbon, including heating regeneration, biological regeneration, wet oxidation regeneration, solvent regeneration, electrochemical regeneration, and so on. These regeneration methods are not accessible to many ordinary manufacturers, but to improve the regeneration effect, specialized activated carbon regeneration manufacturers can be found for treatment. Although some methods such as exposure to sunlight are also useful, the effect is not very good.
Although activated carbon filters can be regenerated, during the regeneration process, some means need to be used to remove pollutants from the activated carbon, which will inevitably cause certain damage to the activated carbon. At this time, these activated carbon cannot continue to be used. After each regeneration of activated carbon and before being put back into use, it is necessary to screen the activated carbon. If some of the broken activated carbon is put back into use, it will not only fail to complete the filtration work, but also cause secondary pollution of the filter material.
The filter material in activated carbon filters can be reused through continuous regeneration. However, although it can be reused, the specific effectiveness of the use still depends on whether the enterprise has done a good job in screening the filter material after regeneration.