Raw materials for the production and classification of activated carbons

Regulatory quality indicators are in place for these materials. They are porous adsorbent, and are made from organic materials containing carbon.Production of activated carbon is carried out using charcoal, peat (peat coke) or coal coke.

It is possible to obtain charcoal for the production of activated carbons from the following types of raw materials:
• Firewood and woodworking waste of various species: birch, oak, beech, hornbeam and more.
• The shells of various nuts: walnut, coconut, almond, hazelnut, etc.
• Fruit pits: olives, apricot, peach, mango, avocado and other stone-fruits.
• Other woody plant waste.

Classification of Active Carbons
Active carbons can be divided into the following types according to their use:
• activated carbons for adsorption of gases and vapors
• activated carbons for adsorption from the liquid phase
• activated carbons as the core of catalysts and chemical absorbers

Classification of activated carbon can also be made according to other factors. Among them, the following distinctions may be made:

• Raw material of the activated carbon: wood, coal, coconut shell and so on;
• Descriptors: clarifying, gas, coal-bearing catalysts with the qualities of chemical sorbents;
• Activation techniques: steam and thermo-chemical method;
• Forms of presentation: granular (crushed) activated carbon, powder, molded activated carbon, extruded carbon (granules in the form of cylinders) and a fabric that is impregnated with coal.

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