If the odor of lampblack is removed, the effect of ultraviolet photolysis lampblack purifier is better than activated carbon. Because of its large equipment, activated carbon is more suitable for industrial buildings. In addition, UV photolysis oil fume purifier can not be used alone, it is specially used to eliminate the odor of oil fume. To purify oil fume, electrostatic oil fume purifier should be used. The common usage is electrostatic +UV equipment.