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The principle and effect of activated carbon adsor
Release time:2017-07-27 Sources:WADE company
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Activated carbon is a kind of black porous solid carbon, which is made from coal by pulverizing, forming or using uniform coal pellets.
The main components are carbon and contain a small amount of oxygen, hydrogen, sulfur, nitrogen and chlorine.
The surface area of normal activated carbon is between 500 and 1700m2 / g.
It has a strong adsorption capability and is a widely used industrial adsorbent.
The chemical activity of formaldehyde itself is very strong, the half-life in the environment atmosphere is generally within a few hours, generally outside not have high concentration, not main atmospheric pollutant.
But for human health, because generally most of the time spent in indoor, the release of formaldehyde in the indoor and compare various sources, the indoor concentrations are generally higher than outdoor, if cannot be handled in a timely manner, it is possible to cause bigger harm to human body.
The porous structure of activated carbon provides a large amount of surface area, which makes it easy to absorb impurities such as formaldehyde.
A large number of molecules on activated carbon can produce a powerful gravitational pull to attract the harmful gases in the air into the aperture.
Using this principle, we can quickly and effectively remove the harmful substances such as formaldehyde and benzene in the air and make the air directly and rapidly improve.
The more active carbon pores, the higher the adsorption performance.
It is recommended to choose the activated charcoal with small density, light hand and weight.
In addition, the smaller the activated carbon particles, the greater the contact air area, the larger the surface area, the better the adsorption performance.
How can the effect of activated carbon adsorption formaldehyde be more obvious.
To use ventilation ventilation, in addition to the active carbon to fill the source, and often measure its concentration, the discovery has been saturated and has to change.
Let me start with a point.
Formaldehyde in the home after decoration is a continuous release process.
This shows that the treatment of formaldehyde pollution is also a continuous process.