Nuthell activated carbon with high quality coconut shells, walnut shells, apricot shells, peach shells as raw materials, is a refined product through a serisis of production process , with appearance of black granules. Advantages are well-developed pore structure, large specific surface area, adsorption performance, database layer yin force is small, chemical stability, easy regeneration. Apply to high purity drinking water, industrial water and deep purification of dechlorination ,decolorization, deodorization for waste water treatment and gold refining ,etc.