Experiments were conducted on formaldehyde adsorption property of bamboo charcoal with different preparation methods(brick kiln and mechanical stove),different sizes(powder,grain and tablet) and different dosages.The results showed that the bamboo charcoal made in mechanical stove had better adsorption property than that in brick kiln.The order of the adsorption property of bamboo charcoal with different sizes from high to low was powder,grain and tablet.The adsorption of formaldehyde capacity increased wit...