Progresses in reduction of CO from the mainstream of cigarette smoke

The methods of reducing CO from the mainstream of cigarette at home and abroad were reviewed,including raw materials of the modified tobacco,dilution ventilation of increased porosity of cigarette paper and filter,filters filter by adsorption and catalytic oxidation of CO and cigarette paper additives of changing the burning of cigarette.The main direction of flue gas CO reducing in a period of current and in future was pointed which out is to seek catalytic oxidation and adsorption double performance additives.