purification such as benzene, mellow, talk one, ester, ether, alkane, aldehyde, gasoline and so on. Waste gas ... gas of the organic solvent such as benzene, mellow, talk one, ester, ether, alkane, aldehyde, gasoline and so on. VOC (Volatile ... initiative temperature for reaction, high active function, wide range for air speed. When the hydrocarbon concentration is within 500-900 mg ...