Activated carbon Supply

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China

Activated carbon is produced from carbonaceous source materials like nutshells, peat, wood, lignite and coal. It can be produced by one of the following processes: .
Physical reactivation:
The precursor is developed into activated carbons using gases. This is generally done by using one or a combination of the following processes:
o Carbonization: Material with carbon content is pyrolyzed at temperatures in the range 600-900 ° C, in absence of air ( usually in inert atmosphere with gases like argon or nitrogen)
o Activation/ Oxidation: Raw material or carbonised material is exposed to oxidizing atmospheres ( carbon dioxide, oxygen, or steam) at temperatures above 250 ° C, usually in the temperature range of 600-1200 ° C.
Applications
Activated carbon is used in gas purification, gold purification, metal extraction, water purification, medicine, sewage treatment, air filters in gas masks and filter masks, filters in compressed air and many other applications.

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