FORMATION OF POLYCHLORINATED DIOXINS AND DIBENZOFURANS IN INCINERATION OF REFUSE DERIVED FUEL AND BIOSLUDGE

被引:18
作者
HALONEN, I
TARHANEN, J
KOPSA, T
PALONEN, J
VILOKKI, H
RUUSKANEN, J
机构
[1] LAITEOPTIMOINTI KY, SF-86710 KARSAMAKI, FINLAND
[2] AHLSTROM PYROPOWER, SF-48600 KARHULA, FINLAND
关键词
INCINERATION; FORMATION; FLUIDIZED BED COMBUSTION; RDF; BIOSLUDGE; CHLORINE; POLYCHLORINATED DIBENZODIOXINS AND POLYCHLORINATED DIBENZOFURANS;
D O I
10.1016/0045-6535(93)90080-O
中图分类号
X [环境科学、安全科学];
学科分类号
08 [工学]; 0830 [环境科学与工程];
摘要
Incineration tests of biosludge and refuse derived fuel (RDF) were performed in a pilot scale circulating fluidized bed plant. Samples of chlorinated organic compounds were collected simultaneously at three different locations in the incinerator (temperatures 850, 250, and 140-degrees-C). Polychlorinated dibenzo-p-dioxin (PCDD) and polychlorinated dibenzofuran (PCDF) concentrations formed in the furnace were higher in incineration tests of RDF than in incineration tests of biosludge mixtures. PCDD/PCDF formation at 850-degrees-C was observed to depend on chlorine content in the fuel. Post-formation of PCDD/PCDF compounds beyond the furnace was only observed in tests of RDF. Post-formation reactions were absent in tests of biosludge mixtures. Post-formation reactions were due to higher concentrations of metals, especially copper in RDF fuel.
引用
收藏
页码:1869 / 1880
页数:12
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