ANALYSIS AND ELIMINATION OF TRACE ORGANIC -COMPOUNDS IN SMOKE FROM BURNING COAL

An analysis system of trace organic compounds in smoke from burning co al was established, which included concentration of organic compounds by adsorbent, super critical fluid extraction(SFE), and gas chromatogr aphy-mass spectroscopy for identification. The abilities of four kinds of adsorbents were compared. SFE is superior to solvent extraction in extracting organic compound in coal smoke. More than 130 compounds we re detected, including alkane, alkene, aromatic hydrocarbon with low r ing number, alcohol, aldehyde, ketone, acid, ester, phenol, polyring c ompounds and heterocyclic compounds, The possibility of elimination or ganic compounds by using catalyst of CuO-Mn/Al2O3, was researched for the first time. It was shown that this kind of catalyst can eliminate most of the organic contaminats in smoke effectively and economically.