Contribution on the atmospheric concentration by sulfur dioxide discharged from industrial section in China
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概要
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In previous research, authors examined yearly trends of atmospheric sulfur dioxide (=SO<SUB>2</SUB>) concentration in Chinese major cities during 1990's. It was suggested that the rate of SO<SUB>2</SUB> discharged from industry and removal of SO<SUB>2</SUB> by desulfurization systems, (=removal rate), determined the yearly trends of atmospheric SO<SUB>2</SUB> concentration every city. Although atmospheric SO<SUB>2</SUB>concentration data and (SO<SUB>2</SUB>) emission data are useful as an index of air pollution respectively, these two indices are not necessarily correlated. In this study, we changed SO<SUB>2</SUB> emission data in an industrial complex and data of SO<SUB>2</SUB> removal into atmospheric SO<SUB>2</SUB> concentration, respectively, using a simulation model which authors made based on the box model. They examined yearly trends at each city again from a viewpoint of SO<SUB>2</SUB> concentration. In the result, an average of 39.7% contribution of SO<SUB>2</SUB> discharged from industrial section in each mesh it was discharged. Several mesh including industrial cities, such as Lanzhou, Chongqing, were showed high contribution of SO<SUB>2</SUB>. Moreover, the effect of removal of SO<SUB>2</SUB> by desulfurization systems in each mesh was an average of 11.0%. And it was suggested that the factor of yearly trends at each city was removal rate even when changed to concentration from SO<SUB>2</SUB> emission data.
- 社団法人 環境科学会の論文
社団法人 環境科学会 | 論文
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