Analysis and Elimination of Trace Organic Compounds in Smoke from Burning Coal

Abstract

Abstract: An analysis system of trace organic compounds in smoke from burning coal was established, which included concentration of organic compounds by adsorbent, super critical fluid extraction (SFE), and gas chromatography-mass spectroscopy for identification.The abilities of four kinds of adsorbents were compared.SFEis superior to solvent extraction in extracting organic compound in coal smoke, More than 130 compounds were detected, in-cluding alkane, alkene, aromatic hydrocarbon with low ring number, alcohol, aldehyde, ke-tone, acid, ester, phenol, polyring compounds and heterocyclic compounds.The possibility of elimination organic compounds by using catalyst of CuO-Mn/Al₂O₃ was researched for the first time.It was shown that thls kind of catalyst can eliminate most of the organic contami-nats in smoke effectively and economically.

Key words: Smoke from burning coal, Trace organlc compounds, Concentration, Super-crit-ical fluid extraction

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WANG Xiu-Hong, XIAO Tian-Cun, YANG Bin, WANG Shu-Ren, OU Qing-Yu. Analysis and Elimination of Trace Organic Compounds in Smoke from Burning Coal[J]. Chem. J. Chinese Universities, 1997, 18(1): 24.

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Analysis and Elimination of Trace Organic Compounds in Smoke from Burning Coal

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