... PH value 6-8 Large product of bamboo activated carbon for food additives purification 1. Raw material: bamboo 2. Producing ... surface area, high adsorption quality(3used for decoloration in glucose and sugar industry, sorbic acid, amino acid ... matter,medical,water treatment and air purification ,recovery of benzene, toluene, xylene, ethanol, ethers, gasoline, chloroform, carbon tetrachloride, etc.