二氧化碳捕集和封存(carbon capture and storage,CCS)是实现电力低碳化发展的关键技术,具有光明的发展前景。作为未来重要的电源选择,碳捕集电厂的运行性能与调整能力将对电网运行的安全性与高效性产生重大影响。结合碳捕集技术的基本...二氧化碳捕集和封存(carbon capture and storage,CCS)是实现电力低碳化发展的关键技术,具有光明的发展前景。作为未来重要的电源选择,碳捕集电厂的运行性能与调整能力将对电网运行的安全性与高效性产生重大影响。结合碳捕集技术的基本原理,深入研究了碳捕集电厂内部的能量流,量化分析了碳捕集电厂的运行区间,并揭示了碳捕集电厂的调峰性能。在此基础上,提出基于"电力系统调峰成本曲线"的分析方法,以直观、简明的方式实现了电力系统的调峰优化决策;并以具有复杂电源结构的电力系统为例进行调峰效果分析,特别测算了碳捕集电厂对电力系统容纳大规模风电接入的贡献率,评估了碳捕集电厂在提高电网运行安全裕度与降低系统调峰成本上的显著效益。展开更多
Detailed high-resolution emission inventories of primary particles(PM2.5,BC and OC) and pollutant gases(SO2,NOx,NH3,CO and VOCs) for China in 2007 were constructed on the basis of the latest fuel consumption data,most...Detailed high-resolution emission inventories of primary particles(PM2.5,BC and OC) and pollutant gases(SO2,NOx,NH3,CO and VOCs) for China in 2007 were constructed on the basis of the latest fuel consumption data,mostly at the county level,and from socio-economic statistics and data on fossil and biomass fuels obtained from government agencies.New emission factors reflecting local features were also used.The calculated emissions were 13.212 Mt PM2.5,1.4 Mt BC,2.946 Mt OC,31.584 Mt SO2,23.248 Mt NOx,16.017 Mt NH3,164.856 Mt CO and 35.464 Mt VOCs.The national and regional emissions were gridded with 0.5°× 0.5° resolution for use in air quality models.Larger emissions were found in eastern and central China than in western China.The emissions estimated here are roughly equal to those obtained in previous studies,but with different contributions from because of seasonal changes in residential heating and biomass combustion.Finally,uncertainties in inventories were analyzed.展开更多
文摘二氧化碳捕集和封存(carbon capture and storage,CCS)是实现电力低碳化发展的关键技术,具有光明的发展前景。作为未来重要的电源选择,碳捕集电厂的运行性能与调整能力将对电网运行的安全性与高效性产生重大影响。结合碳捕集技术的基本原理,深入研究了碳捕集电厂内部的能量流,量化分析了碳捕集电厂的运行区间,并揭示了碳捕集电厂的调峰性能。在此基础上,提出基于"电力系统调峰成本曲线"的分析方法,以直观、简明的方式实现了电力系统的调峰优化决策;并以具有复杂电源结构的电力系统为例进行调峰效果分析,特别测算了碳捕集电厂对电力系统容纳大规模风电接入的贡献率,评估了碳捕集电厂在提高电网运行安全裕度与降低系统调峰成本上的显著效益。
基金supported by the National Basic Research Program of China (2011CB403404)the National R&D Special Fund (Meteorology) for Public Welfare Industry (GYHY200706036)
文摘Detailed high-resolution emission inventories of primary particles(PM2.5,BC and OC) and pollutant gases(SO2,NOx,NH3,CO and VOCs) for China in 2007 were constructed on the basis of the latest fuel consumption data,mostly at the county level,and from socio-economic statistics and data on fossil and biomass fuels obtained from government agencies.New emission factors reflecting local features were also used.The calculated emissions were 13.212 Mt PM2.5,1.4 Mt BC,2.946 Mt OC,31.584 Mt SO2,23.248 Mt NOx,16.017 Mt NH3,164.856 Mt CO and 35.464 Mt VOCs.The national and regional emissions were gridded with 0.5°× 0.5° resolution for use in air quality models.Larger emissions were found in eastern and central China than in western China.The emissions estimated here are roughly equal to those obtained in previous studies,but with different contributions from because of seasonal changes in residential heating and biomass combustion.Finally,uncertainties in inventories were analyzed.
