Waste gas treatment should be carried out from two aspects: one is to remove dust from suspended particulate pollutants; the other is to purify gaseous pollutants. The control of gaseous pollutants is mainly to use physical and chemical properties, such as solubility, adsorption saturation, and dew point. And the differences in the choice of chemical reactions, etc., separate the pollutants from the exhaust gas; perhaps the pollutants are converted into harmless or easy-to-treat substances.
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