High-resolution inventory of technologies, activities, and emissions of coal-fired power plants in China from 1990 to 2010
High-resolution inventory of technologies, activities, and emissions of coal-fired power plants in China from 1990 to 2010
复制标题
1990-2010年中国燃煤电厂技术、活动和排放高分辨率清单
DOI：
10.5194/acp-15-13299-2015
复制
发表时间：
2015-01-01
影响因子：
6.3
通讯作者：
He, K. B.
中科院分区：
文献类型：
--
作者：
Liu, F.;Zhang, Q.;He, K. B.
这篇论文的重点是1990-2010年中国燃煤电厂的排放，是旨在为中国制定高分辨率排放清单的系列论文中的第二篇。这是中国燃煤电厂20年来首次以单位水平估算排放量。该清单是建立在一个单位为基础的数据库，在这项研究中，命名为中国燃煤电厂排放数据库（CPED），其中包括技术，活动数据，运行情况，排放因子，和单个单位的位置和补充汇总数据的详细信息，单位为基础的信息是不可用的。在1990年至2010年期间，与煤炭消费量增长479%相比，中国燃煤电厂的SO2、NOx和CO2排放量分别增加了56%、335%和442%，而PM2.5和PM10分别减少了23%和27%。2000年后，在经济加速增长的推动下，全国各地兴建了大型发电厂，导致排放量急剧增长。自2005年以来，由于加强了排放控制措施，包括安装烟气脱硫（FGD）系统以及通过促进大型机组和退役小型机组优化发电机组组合，排放量的增长趋势已得到有效遏制。与以往的排放清单相比，CPED通过广泛使用单元水平的基础数据，显著提高了中国发电厂排放清单的空间分辨率和时间剖面。在这项研究中开发的新的清单将使在中国发电厂排放的时间和空间变化的密切检查，并将有助于提高化学品传输模型的性能，提供更准确的排放数据。
This paper, which focuses on emissions from China's coal-fired power plants during 1990-2010, is the second in a series of papers that aims to develop a high-resolution emission inventory for China. This is the first time that emissions from China's coal-fired power plants were estimated at unit level for a 20-year period. This inventory is constructed from a unit-based database compiled in this study, named the China coal-fired Power plant Emissions Database (CPED), which includes detailed information on the technologies, activity data, operation situation, emission factors, and locations of individual units and supplements with aggregated data where unit-based information is not available. Between 1990 and 2010, compared to a 479% growth in coal consumption, emissions from China's coal-fired power plants increased by 56, 335, and 442% for SO2, NOx, and CO2, respectively, and decreased by 23 and 27% for PM2.5 and PM10 respectively. Driven by the accelerated economic growth, large power plants were constructed throughout the country after 2000, resulting in a dramatic growth in emissions. The growth trend of emissions has been effectively curbed since 2005 due to strengthened emission control measures including the installation of flue gas desulfurization (FGD) systems and the optimization of the generation fleet mix by promoting large units and decommissioning small ones. Compared to previous emission inventories, CPED significantly improved the spatial resolution and temporal profile of the power plant emission inventory in China by extensive use of underlying data at unit level. The new inventory developed in this study will enable a close examination of temporal and spatial variations of power plant emissions in China and will help to improve the performances of chemical transport models by providing more accurate emission data.