In newly renovated houses, formaldehyde is the most important thing. Plates, glue, etc. will release formaldehyde. For good health, consumers are looking for aldehyde removal products. Among them, air purification charcoal is a very popular aldehyde removal product. What is the principle of air purification charcoal ? What is the role of air purification charcoal ? Today, Asia Vibration Furniture Xiaobian will introduce you to the principle and role of air purification charcoal .
Air purification activated carbon principle
1, its own unique pore structure
Activated carbon is a type of microcrystalline carbon material that is mainly made of carbonaceous material and has a black appearance, a developed internal pore structure, a large specific surface area, and a strong adsorption capacity. Activated carbon materials have a large number of microscopic pores that are invisible to the naked eye. One gram of activated carbon material has micropores, and its surface area can be as high as 800-3000 square meters after unrolling. That is, in a rice grain-sized activated carbon granule, the internal surface area of ​​the micropore may be equivalent to the size of a living room area. It is these highly developed, such as human capillary-like pore structure, so that activated carbon has excellent adsorption properties.
2, the interaction between molecules
Also called "Fan Dehua Gravity." Although the speed of molecular motion is affected by temperature and material, it is always moving in a micro-environment. Because molecules have mutually attracting forces, when a molecule is trapped inside the pores of activated carbon by the inner pores of the activated carbon, due to mutual attraction between the molecules, more molecules are continuously attracted until they are filled with activated carbon. Internal pores so far.
Air purification activated carbon
(1) Reasonable industrial layout to facilitate the diffusion of pollutants and mutual use of waste gas between factories to reduce exhaust emissions.
(2) Centralized district heating is implemented, high-efficiency boilers are used instead of scattered low-rank smokestacks, and high-efficiency boilers are used instead of scattered low-emission chimneys. This is a powerful measure for the prevention and control of urban air pollution.
(3) Change the fuel composition. Such as the development of urban industrial and civil gas, liquefied petroleum gas, the adoption of low sulfur fuels and new energy sources (solar energy, wind energy, geothermal heat, etc.). Coal mining is implemented to remove most of the sulfur in the coal (mainly pyrite sulfur).
(4) Reduce vehicle exhaust emissions. Mainly to change the combustion design of the engine and improve the quality of oil combustion, strengthen traffic management.
(5) Toxic gases emitted from industrial installations must be controlled in terms of process reform and recycling.
(6) Dust removal from the chimney. The sulfur dioxide control technology in flue gas is divided into two major categories: dry method (using solid powder or granules as absorbent) and wet method (using liquid as absorbent).
Air purification activated carbon is nowadays an excellent chemical adsorbent, which has attracted people's attention and application. It can be said that using air to purify activated carbon to adsorb harmful substances is the most mature method at present.
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