What is the active carbon. What is the difference with the charcoal?
Activated carbon activated carbon after activation of the solid carbon black porous. A general powder, granular or pellet, carbon as a main component, also containing a small amount of oxygen, hydrogen, nitrogen, sulfur and chlorine. The early production of activated carbon as raw materials for wood, hard shell or animal bone, later used by coal production method a: the steam and gas activation method. The use of water vapor or carbon dioxide at 850 ~ 900 C carbon activation.
This decision of the activated carbon has Good adsorption of metal ions, adsorption, wastewater and waste gas in the harmful gases, organic pollutants, such as pigment. Application of activated carbon also requires high mechanical strength, good abrasion resistance, its structure to stabilize, adsorption energy required, to facilitate the regeneration. The active carbon used for oil, beverage, food, drinking water, decolorization, deodorization, gas separation, solvent recovery and air conditioning, adsorbent is used as a catalyst carrier and a gas mask. Charcoal is made from trees and dry, is a kind of fuel. Soil general burn charcoal, is placed in a kiln inner wood, after the ignition, when he arrived a certain temperature, closed kiln inlet, let the heat get distillation of wood and charcoal. To serve the people of Zhang Side is burning charcoal, charcoal kiln collapsed when.1 died
The chemical activation method. The activator of discharged gas, or by activating agent impregnated material, after the high temperature treatment can be activated carbon. The activated carbon has a microcrystalline structure, crystallite alignment completely irregular. The micro crystal (radius of less than 20, a: = 10-10 m), transition hole (radius 20 ~ 1000), big hole (radius of 1000 ~ 100000), so it has great inner surface, the surface area of 500 to 1700 meters / 2 grams.
