benzo [g,h,i] perylene 7.4 8 8.2 5.5 8.1 7.44 1.13 3.3. Coke Breeze (CB) The emission samples taken after sintering of iron ore with coke breeze as a fuel (4% mass addition) have only one PAH emitted in a high amount, which is phenanthrene. Others PAH emissions are very low. Figure 6.3. 5 samples of PAHs emission during sintering of the iron ore mix. The high peak of the phenanthrene may suggest that the species present in the coke breeze are able to form phenanthrene, which may be a more stable molecule. Alternatively it could be that the phenanthrene is formed because in coke breeze there are present the precursors for this certain PAH. Most of the PAHs show very low level of emission. It may be that, this type of the fuel has great ability to decrease PAHs or the pure fuel may not contain any large aromatic clusters. Table 6.3. Emission data for 5 sintering emission samples, average emission for 5 samples and standard deviation for each PAH. Concentration (µg/kg) CB1 CB2 CB3 CB4 CB5 AVE STD
benzo [g,h,i] perylene 7.4 8 8.2 5.5 8.1 7.44 1.13 3.3. Coke Breeze (CB) The emission samples taken after sintering of iron ore with coke breeze as a fuel (4% mass addition) have only one PAH emitted in a high amount, which is phenanthrene. Others PAH emissions are very low. Figure 6.3. 5 samples of PAHs emission during sintering of the iron ore mix. The high peak of the phenanthrene may suggest that the species present in the coke breeze are able to form phenanthrene, which may be a more stable molecule. Alternatively it could be that the phenanthrene is formed because in coke breeze there are present the precursors for this certain PAH. Most of the PAHs show very low level of emission. It may be that, this type of the fuel has great ability to decrease PAHs or the pure fuel may not contain any large aromatic clusters. Table 6.3. Emission data for 5 sintering emission samples, average emission for 5 samples and standard deviation for each PAH. Concentration (µg/kg) CB1 CB2 CB3 CB4 CB5 AVE STD