What is an activated carbon air filter?

Activated carbon air filters, as the name implies, are air filters that use acticated charcoal as the main filter material. Activated carbon air filters are usually composed of activated carbon particles, filter screens, and shells. When air passes through the filter, harmful substances are captured and adsorbed by the tiny pores on the surface of the activated carbon particles, thereby achieving the purpose of purifying the air.

Composition and classification of activated carbon air filters

Activated carbon air filters are mainly composed of activated carbon filter materials, filter frames, filter bags, and other parts. According to the shape and structure of activated carbon, activated carbon air filters can be divided into the following types:

Granular activated carbon filter: uses granular activated carbon as the filter material, suitable for occasions with large air volume and low resistance requirements.

Fiber activated carbon filter: uses activated carbon fiber as the filter material, has higher adsorption efficiency and smaller resistance, and is suitable for high-precision filtration.

Bag activated carbon filter: uses activated carbon bag as the filter material, suitable for small air volume and high-precision filtration.

Activated carbon plays a vital role in air filters. Specifically, activated carbon has the following functions:

Adsorption of harmful substances: Activated carbon has extremely high porosity and can effectively adsorb harmful substances in the air, such as benzene, toluene, formaldehyde and other organic matter, as well as odor, odor, etc.

Purify the air: Activated carbon can remove suspended particles in the air, such as dust, pollen, bacteria, etc., thereby improving air quality.

Antibacterial disinfection: The surface of activated carbon has certain antibacterial properties, which can inhibit the growth and reproduction of bacteria, viruses and other microorganisms.

Humidity regulation: Activated carbon is hygroscopic and can regulate the humidity in the air and keep the air dry.

What does activated carbon do in an air filter？

The working principle of activated carbon air filter is mainly based on the adsorption performance of activated carbon. The following is a detailed analysis:

Adsorption: Activated carbon is a substance with a highly microporous structure, and its specific surface area can reach more than 1000 square meters/gram. When air passes through the activated carbon filter layer, pollutants in the air undergo physical adsorption and chemical adsorption on the surface of the activated carbon. Physical adsorption mainly relies on van der Waals force, while chemical adsorption involves chemical reactions on the surface of activated carbon.

Filtration: The filter frame and filter bag of the activated carbon filter play a role of physical filtration, intercepting large particles in the air and ensuring smooth airflow.

Decomposition: The organic matter adsorbed on the surface of activated carbon undergoes chemical reactions such as oxidation, reduction, and decomposition on the surface of activated carbon, and is converted into harmless substances, thereby achieving the purpose of purifying the air.

Application and maintenance of activated carbon air filters

Application range: Activated carbon air filters are widely used in air purification in homes, offices, hospitals, laboratories, chemical plants, food factories and other places.

Maintenance method: Regularly replace the activated carbon filter material to maintain the filtering effect. Generally speaking, the service life of activated carbon is 1-2 years. At the same time, pay attention to cleaning the filter frame and filter bag to avoid secondary release of pollutants.

Application Examples of Activated Carbon in Air Filters

Home Air Purifier

In the home environment, activated carbon air filters can effectively purify indoor air, remove harmful gases and odors, improve air quality, and create a healthy living environment for the family.

Office Air Purifier

In the office environment, activated carbon air filters can absorb bacteria, viruses and other microorganisms in the indoor air, reduce the occurrence of respiratory diseases, and protect the health of employees.

Hospital Ward Air Purifier

In hospital wards, activated carbon air filters can remove harmful gases and odors in the indoor air, improve air quality, and provide patients with a comfortable treatment environment.

Welcome to contact us