... water treatment etc. 2.without chemical content. 3.best price high decolorizing bamboo activated carbon column 1. Raw material: bamboo2. ... in physical way.(2).large specific surface area, high adsorption quality(3.)used for decoloration in glucose and ... medical,water treatment and air purification ,recovery of benzene, toluene, xylene, ethanol, ethers, gasoline, chloroform, carbon tetrachloride, etc.