Super adsorption: activated carbon filter

In today's society, with the acceleration of industrialization and the increasing severity of environmental pollution, clean and safe drinking water has become an indispensable resource in people's daily lives. Among many water purification technologies, activated carbon filters stand out with their unique "super adsorption" and have become an important force in ensuring water quality safety. This article will explore in depth the working principle of activated carbon filters, the source of super adsorption, and its outstanding performance in practical applications.

1. Working principle of activated carbon filter
The core of the activated carbon filter lies in the activated carbon particles inside it. Activated carbon is a specially treated carbon material with an extremely high specific surface area, that is, the surface area per unit mass of the substance. This unique structure makes the surface of the activated carbon full of tiny pores, which can absorb impurities, odors, pigments and some harmful substances in the water like a magnet, such as residual chlorine, heavy metal ions, etc. When water flows through the activated carbon filter, these harmful substances will be effectively adsorbed on the surface of the activated carbon particles, thereby purifying the water quality.

2. Source of super adsorption
The reason why activated carbon filter has "super adsorption" is mainly due to the following factors:

High specific surface area: The specific surface area of ​​activated carbon can reach thousands to tens of thousands of square meters/gram, which means that it can provide more adsorption sites, thereby enhancing adsorption capacity.

Pore structure: The pore structure of activated carbon is complex and diverse, including macropores, mesopores and micropores. These pores of different sizes can adsorb molecules of different sizes to achieve comprehensive capture of impurities in water.

Chemical properties: The surface of activated carbon contains rich functional groups, which can react chemically with certain harmful substances in water to further improve the adsorption efficiency.

3. Excellent performance of activated carbon filter

In practical applications, activated carbon filter elements have demonstrated their excellent water purification capabilities:

Efficient removal of odors and pigments: Activated carbon filter elements can quickly adsorb odor substances and pigment molecules in water, making water clearer and more transparent, and taste better.

Safe removal of harmful substances: Through its strong adsorption capacity, activated carbon filter elements can effectively remove harmful substances such as residual chlorine and heavy metal ions in water to ensure the safety of drinking water.
Extend equipment life: In water purification systems, activated carbon filters are usually used as pre-treatment units, which can reduce the burden of subsequent treatment units and extend the service life of the entire water purification system.
Economic and environmentally friendly: Activated carbon filters are easy to replace and maintain, and discarded activated carbon can be recycled through regeneration, which is in line with the concept of sustainable development.