... large specific surface area, adsorption performance, the database layer Yin force is small, chemically stable, easily renewable. Water ... of an appropriate and can be dry, and is the drinking water and industrial water purification, chemical, electric ... cm3 Surface area> 1000m2 / g dried alkali ≤ 10% The total pore volume> 0.9cm3 / g strength ≥ 90 ... 7 offer walnut shell Activated Carbon of the good usage