Nut shell activated carbon is used in drinking water, industrial water and waste water’s deep treatment. various gas’s separation, purifying , refining,; recycle of organic solvent; sugar making; color removal, stink removal and refining for sugar manufacture, seasoning, medicines, wine and drinks. the refining of the precious metals; the catalyst and catalyst carrier in the chemical industry. Physical and chemical property analysis（QB/216--1995） Analysis Test index Analysis Test index water ≤ 5 % bulk density 0.4 -0.45 g /cm3 strength ≥ 90 % Ag 0.3% Iodine value ≥ 1000mg/g Zn ≤ 5 ug /g Benzoicacid value ≥ 120 mg/g Cd ≤ 1 ug /g methylene blue ≥ 135mg/g As ≤ 2 ug /g half de-chlorine value ≤ 6 mg/g Pb ≤ 1.0 ug /g PH value 5-10 Cl ˉ ≤ 0.05%