Nutshell activated carbon is widely used in the deep purification and gas phase adsorption of drinking water, industrial water and wastewater, such as power plants, petrochemicals, oil refineries, food and beverages, sugar and wine, medicine, electronics, fish farming, marine and other industries. , It can effectively adsorb free chlorine, phenol, sulfur and other organic pollutants in the water, especially the precursors of mutagenic substances (THM), to purify impurities and remove odors. It can also be used for industrial exhaust gas purification, gas desulfurization, petroleum catalytic reforming, gas separation, pressure swing adsorption, air drying, food preservation, gas masks, solvent carriers, industrial solvent filtration, decolorization, purification, etc. Separation, purification and purification of various gases; recovery of organic solvents; decolorization, deodorization and refining of sugar, monosodium glutamate, medicine, alcohol and beverages; extraction of precious metals; catalysts and catalyst carriers in the chemical industry. The product has the functions of decolorization, purification, impurity removal, deodorization, deodorization, carrier, purification, and recycling.