Active carbon is excellent absorbent and catalyst with special micro-crystal structure, developed nanosized porous and high specific surface area (1000m3/g), is widely used in sugar-making, medicine, food, chemical, national defense, agriculture and peoples daily life and is one of the strong means to control, prevent and purify environment. Compared with wood charcoal, .bamboo charcoal is fast in filtering, high in strength and less in impurities and well-developed middle- and micro-porosit