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What is activated carbon?

Active carbon charcoalActive or activated charcoal is a group of carbon sorbents, which are produced in the industry and have standard indicators of quality.

They represent a porous adsorbent and are made from organic materials that contain coal.

Mostly the activated charcoal is produced from charcoal, peat (peat coke), coal coke, walnut, coconut shells, olive pits, apricot pits and other pits.

 

Classification

In accordance with the main areas of usage the active coal can be divided into the following types:

  • active coal for adsorption of gases and vapors;
  • active carbon for adsorption from the liquid phase;
  • active carbon that is the basis for catalysts and chemical absorbers.

There are a lot of other classifications of activated carbon depending on various factors that can be considered. Among them it is possible to highlight the following:

  • Depending on the material that is used in the production of activated carbon: wood, coal, coconut shells and etc.;
  • Depending on the purpose: brightening, gas, carbon-supported catalysts with the qualities of chemical sorbents;
  • Depending on the methods of activation: steam and thermo-chemical method;
  • Depending on method of production: granular (crushed) activated carbon, powder, and molded active carbon, extruded carbon (granules in the form of cylinders) and fabric that is impregnated with charcoal.

The stages of the process

The production of activated carbon is quite a long process that consists of several consecutive stages. So, the technology of production of activated carbon involves the following activities:

  1. Carbonation
  2. Pre-crushing
  3. Activation
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