Features of Gas Purification Activated Carbon

1. Plant-based

Activated carbon used for gas purification is derived from natural, renewable sources such as wood, coconut shells, or other plant materials. Being plant-based makes it an environmentally friendly option compared to non-renewable alternatives. The carbon is processed in such a way that it enhances its ability to absorb pollutants from gases.

2. Steam Method

This refers to the activation process where high-temperature steam is used to create pores within the carbon material. The steam interacts with the raw carbon at temperatures between 800-1100°C, removing impurities and developing a porous structure. This method is favored for producing activated carbon with high adsorption capabilities, as it opens up more internal surface area within the material.

3. Well-Developed Small and Medium Pores

The activated carbon has an extensive network of both small (micropores) and medium-sized pores (mesopores). These pores are crucial for trapping and holding various gas molecules. The well-developed pore structure ensures that the carbon can effectively adsorb gases with a wide range of molecular sizes, making it versatile for different purification applications.

4. High Micropore Capacity

Micropores, with a diameter less than 2 nanometers, are especially important for adsorbing smaller gas molecules. High micropore capacity means that the activated carbon can hold a large volume of these tiny molecules, improving its efficiency in capturing and removing contaminants from gases such as volatile organic compounds (VOCs), hydrogen sulfide (H2S), and ammonia.

5. Low Ash Content

Low ash content refers to the minimal amount of inorganic residue left behind after the carbonization process. Ash can reduce the effectiveness of the activated carbon by blocking its pores and reducing its adsorption capacity. Low ash content ensures that more surface area is available for gas adsorption, enhancing its purification efficiency.

6. High Strength

Activated carbon with high mechanical strength means it is more durable and less likely to break down into fine particles during handling, transportation, or use. This is important because stronger carbon particles maintain their structure longer, ensuring consistent performance over time and reducing the need for frequent replacement in gas purification systems.