Use
Activated carbon is a carbon material with great specific surface area and decolorization ability. In the 19th century, people apply sugar, wine and water for decolorization, de-flavor and purification. There is a history of 100 years for bone charcoal to be used for water filtration. During the First World War, it has begun to produce activated carbon as gas masks. To the 20th century, 90 years, the activated carbon has also gotten wide application in the sewage treatment, organic solvent concentration recovery, air purification and other fields such as environmental protection and gold extraction.