... human 5.widely use wood activated carbon for chemical wastewater treatment 1. Raw material: hardwood2. Producing process: crushing ... adsorption quality(3.)used for decoloration in glucose and sugar industry, sorbic acid, amino acid, citric acid decoloration ... decoloration and removing organic matter,medical,water treatment and air purification ,recovery of benzene, toluene, xylene, ethanol, ethers, ...