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Forecasting the Effect of SO2 Emission by Coal-Fired Power Plants during the 11th Five-Year Plan

Author: ShiJianHua
Tutor: HuShiBin
School: Northwest University of Science and Technology
Course: Environmental Engineering
Keywords: Coal-fired power plants Eleventh Five Numerical Simulation SO2 Sulfur deposition
CLC: X701
Type: Master's thesis
Year: 2007
Downloads: 219
Quote: 1
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Abstract


The research work with the state 973 plan subject environmental pollution control countermeasures of the Yangtze River, the Pearl River Delta region and environmental quality regulation Strategic Research (2002CB410800), 973 National Key Basic Research and Development Program \2005CB422200) and China's \Analysis and forecast of the implementation of the nationwide coal-fired power plant SO2 emissions control measures through the \Its purpose is to predict the end of the \planning and sulfur subsidence control provides a theoretical basis. SO2 emissions by coal-fired power plants through transmission and transformation, be terrestrial, aquatic ecosystems caused many effects, environmental effects of cross-regional and cross-border. Chinese characteristics and the rapid economic development of the energy structure, SO2 emissions in recent years, the largest in the world, of which about 40% is emitted by coal-fired power plants, which led to SO2 pollution and acid rain pollution is worsening. This study on the basis of the collection of large amounts of data, sorting out the newer 2005,2008,2010 National coal-fired power plants more complete data, the use of geographic information systems for precise positioning of all thermal power plants one by one, to determine the exact geographic position; annual SO2 emissions from power plants source data grid processing plant SO2 emission inventory. The analysis and comparison of the changes of the \ATMOS long distance transmission model, numerical simulation 2005,2008,2010 National coal-fired power plant emissions of SO2 transfer and conversion process, through the use of geographic information system software and other software tools, combined with the actual monitoring results detailed analysis of the entire analog range, especially in mainland China on the land area of ??the total sulfur deposition, wet / dry sulfur deposition, the near ground SO2 and SO42-concentration distribution characteristics. Typical area of ??the \Analysis predicted sulfur deposition contribution of the the provinces coal-fired power plants in 2005 and 2010 typical areas (Beijing, Yangtze River Delta, Pearl River Delta region). Respectively settlement on the grid of the land area of ??the three coal-fired power plants in the country due to mainland China and the RAINS-Asia sulfur critical loads are compared draw Chinese coal-fired power plant emissions of sulfur deposition supercritical load distribution Figure. The main conclusions of this study: 2005, 2010, national coal-fired power plant emissions of SO2 were 1588.74 × 104t, 875.39 × 104t, a decrease of 44.90% in the Eleventh Five-Year \The national average concentration of SO2 emissions cause were 3.74μg/m3, 2.07μg/m3, down 44.65%.

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CLC: > Environmental science, safety science > Processing and comprehensive utilization of waste > General issues > Exhaust gas processing and utilization
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