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首页> 美国政府科技报告 >The Chemistry,Dispersion and Transport of Air Pollutants Emitted from Fossil Fuel Power Plants in California:Chemical Analysis of Particulate Samples for Sulfate,Nitrate and Trace Element Composition.
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The Chemistry,Dispersion and Transport of Air Pollutants Emitted from Fossil Fuel Power Plants in California:Chemical Analysis of Particulate Samples for Sulfate,Nitrate and Trace Element Composition.

机译：加利福尼亚化石燃料发电厂排放的空气污染物的化学，分散和运输：硫酸盐，硝酸盐和微量元素组成的颗粒样品的化学分析。

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The formation of sulfate and nitrate in SF6-labelled power plant plumes emitted to otherwise clean and relatively polluted atmospheres. Results from field monitoring conducted in the vicinity of the Moss Landing power plant were compared to those from sampling the plumes from the Haynes and Edison power plants at Alamitos Bay. Ground level sampling employed an array of automated sequential particulate samples, SO2and SF6monitors. Aerial particulate collection within and adjacent to the plume was also employed. Particulate nitrate levels in ground level samples at both sites appeared to be independent of the plumes under study. Sulfate concentrations,however,did reveal contributions from the plumes except when sulfate levels were high (e.g. > 30micrograms/cu m). The sulfate contribution from the Southern California plumes were calculated to be 3-5microgram/cu m at ground level compared to 1.6-2.3microgram/cu m from the Moss Landing plant. Based on aerial sampling,concentrations of sulfate at varying distances downwind of the stack ranged from 0.9to 14.9microgram/cu m. However the sampling protocol did not permit calculation of plume sulfate levels and,therefore, SO2conversion. A procedure is described for calculating SO2conversion in the plume which may be of use in future programs.

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