Bamboo charcoal is a solid product obtained by a bamboo material by thermal decomposition (carbonization) under the conditions of high temperature, hypoxia (or restrictive access). While preparing bamboo charcoal, it is also possible to obtain a wide range of liquid products - bamboo vinegar fluid.

Activated carbon is a carbonaceous material (such as wood, bamboo, husk, straw, coal, asphalt, coke, etc.), continues to be placed in the activation furnace to perform high temperature catalytic or chemical catalytic (activation), and then washed (or Water washing), dried.