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According to the performance of the gas mask, the pore size distribution of activated carbon must be mostly micropores, so as to be more suitable for adsorbing substances with smaller molecular diameters (toxic gases).powdered carbon activated If the pore width of the adsorption pores of activated carbon is smaller than the critical molecular diameter of the adsorbate, it belongs Ineffective pores, but too wide pores can only play the role of diffusion channels.
Activated carbon is a granular porous crystal or powder, mostly black. It has a porous structure and is a charcoal with super strong gas adsorption capacity. According to different raw materials, activated carbon is usually divided into two types: wood and coal.
The filter box of the gas mask is mostly made of wood activated carbon, and the shape is mainly granular. According to the performance of the gas mask, the pore size distribution of the activated carbon must be mostly micropores, so that it is more suitable for adsorbing substances with smaller molecular diameters (toxic gases). ), if the pore width of the adsorption pores of activated carbon is smaller than the critical molecular diameter of the adsorbate, it is considered invalid pores, but too wide pores can only serve as diffusion channels.
The greatest effect of the gas mask lies in its ability to decompose various toxic gases. It can also be expressed as the constant decomposition of some adsorbent related substances. To achieve this effect, the activated carbon used in the gas mask must be up to Relevant standards have been met, and why don’t gas masks choose related charcoal or other substances such as bone charcoal? In fact, this is because of the role of an adsorbent. www.wyactivatedcarbon.com |
