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PRODUCTS OF INCOMPLETE COMBUSTION FROM DIRECT BURNING OF PENTACHLOROPHENOL-TREATED WOOD WASTES
Citation:
Lee, S. AND J. Valenti. PRODUCTS OF INCOMPLETE COMBUSTION FROM DIRECT BURNING OF PENTACHLOROPHENOL-TREATED WOOD WASTES. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/R-98/013 (NTIS PB98-127731), 1998.
Impact/Purpose:
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Description:
The report gives results of a study to identify potential air pollution problems from the combustion of waste wood treated with pentachlorophenol preservative for energy production in a boiler. The study emphasized the characterization of the products of incomplete combustion (PICs) in the combustion flue gas. The methodology used was to compare the flue gas concentrations of PICs prior to the air pollution control device of a pilot-scale combustor burning untreated wood with PICs from burning wood treated with pentachlorophenol preservative. The tests showed that combustion is an effective method of destroying the pentachlorophenol in treated wood, with destruction efficiencies higher than 99.99%. Differences in the flue gas concentrations of various PICs from the combustion of untreated and treated wood have been noted. The data do not enable identification of the exact cause of these differences in flue gas concentrations. These differences are possibly caused by the significantly different chlorine content of the two fuels. The difference in flue gas flow rate required for the combustion of these two fuels with different combustion characteristics (moisture content and heating value) may also cause the difference in PIC formation rates. These data are strongly influenced by the design, configuration, and operation of the combustor system.