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The Estimation of Emission Factor of N2O and CH4 by Measurement from Stacks in the Waste Incinerators and Cement Production Plants
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 Title & Authors
The Estimation of Emission Factor of N2O and CH4 by Measurement from Stacks in the Waste Incinerators and Cement Production Plants
Choi, Sang-Min; Im, Jong-Kwon; Hong, Ji-Hyoung; Lee, Sue-Been; Zoh, Kyung-Duk;
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The purpose of this study is to estimate the emission factor of global warming gases such as and by measuring concentrations from stacks of waste incinerators and cement production plants. Based on the established monitoring methods, concentration measured from stacks in incinerator were between 0.62 and (ave. ). The concentration of was dependent on the incinerator types. However, the concentrations of gas were between 2.65 and (ave. ), and did not show the dependency on the incinerator types. In the cement production plant, the concentration ranges of from the stack were from 6.90 to (ave. ), and were between 1.80 and (ave. ). Using measured concentrations, the emission amounts of and from stacks per year were calculated. The results were is 4.2 ton in the incinerators, and 53.7 ton in the cement facilities. The big difference is from the flow rate of flue gas in the cement facilities compared to the incinerators. By the same reason, the emission amounts in cement plant and incinerator was found to be 339 ton and 34.1 ton , respectively. Finally, the emission factor of in the incinerators were calculated using the measured concentration and the amount of incinerated wastes, and was in kiln and stoker type, in stoker type, 90.1 ton/g in rotary kiln type, 174.9 g/ton in fluidized bed type, and 63.8 g/ton in grate type, respectively. Also, the emission factors of were found to 65.2-91.3 g/ton in kiln/stoker type, 73.9-122 g/ton in stoker type, 109.5 g/ton rotary kiln, and 26.1 g/ton in fluidized bed type. This result indicates that the emission factor in incinerators is strongly dependent on the incinerator types, and matched with result of IPCC (International Panel on Climate Change) guideline.
global warming gases;;;emission factor;incinerator;cement production plant;IPCC;
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