Quality wood products as raw material, carbonization, activation and refined processing multi-channel processes, with a large surface area, adsorption performance, low impurity ions, filter effects, and so on. 
 Mainly used for a variety of sugars, citric acid, lactic acid, gum acid, fine chemical, oil, wine classes, MSG and other macromolecules in the production process of purification and decolorization of colored fine material, especially for the production of the decolorizing purification of glucose is more Jia, also be used for removal of medium and lac and other biological macromolecules in the purification of pigment removal.