... PH value 6-8 Large product of bamboo activated carbon for food additives purification 1. ... Raw material: bamboo 2. Producing process: crushing raw material=> ... to customer’s requirement.5.Functions:(1 )bamboo based, made in chemical way.(2).large ... matter,medical,water treatment and air purification ,recovery of benzene, toluene, xylene, ethanol, ethers, gasoline, ...