烧结厂烟尘和静电除尘器灰尘中二噁英的分布特征

研究了烧结厂烟道烟尘和静电除尘器灰尘中二噁英的浓度和分布特征.结果显示,烧结台车机头烟道烟尘和机尾烟道烟尘中二噁英的总含量分别为867.49±215.41和170.35±51.12pg.Nm-3,毒性当量分别36.53±4.47和9.13±2.40pgWHO-TEQ.Nm-3;机头静电除尘器灰尘和机尾静电除尘器灰尘的总含量分别为2423.59±100.01和157.29±36.83pg.g-1dw,毒性当量分别71.67±0.62和7.50±1.08pgWHO-TEQ.g-1dw.烧结中二噁英的分布以PC