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Basic knowledge of make activated charcoal

Mar 16, 2016

Make activated charcoal and activated carbon black. It is an amorphous carbon black powder or granular, massive, honeycomb, activated carbon has ordered the carbon crystal. Activated carbon in addition to elemental carbon, also contains two types of admixture: a class is combined with chemical elements, mainly oxygen and hydrogen. These elements is due to incomplete carbonization residue in carbon, or in the activation process, foreign non carbon elements and activated carbon surface chemical binding, such as water vapor activation, the surface of make activated charcoal by oxidation or steam oxidation; another kind of admixture is ash, it is the inorganic part of make activated charcoal; ash in activated carbon could easily lead to secondary pollution.

     Make activated charcoal in the elemental composition, more than 80%-90% which is composed of carbon, activated carbon as the hydrophobic adsorbent. Make activated charcoal in addition to elemental carbon, it also contains two types of admixture: a class is combined with chemical elements, mainly oxygen and hydrogen. These elements is due to incomplete carbonization residue in carbon, or in the activation process, foreign non carbon elements and activated carbon surface chemical binding, such as water vapor activation, the surface of activated carbon by oxidation or steam oxidation; another kind of admixture is ash, it is the inorganic part of make activated charcoal, consisting of several kinds of activated carbon elements. With the continuous development of activated carbon industry, more and more industries and enterprises to use the activated carbon, there are also some enterprises to enter the make activated charcoal industry.

     The main raw material of activated carbon can be almost all carbon rich organic materials, such as coal, wood, shell, coconut shell, walnut shell, apricot and jujube shell and. The activation of carbon materials in the furnace, under high temperature and pressure through pyrolysis is converted into activated carbon. In the activation process, huge surface area and pore structure of the complex formed gradually, and so-called adsorption process is in the pores and on the surface of, the activated carbon pore size of adsorbent has selective adsorption effect, which is due to enter the macromolecules cannot be smaller than the pore pore size distribution of activated carbon for the sake of.

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