南京市电力行业二氧化硫排放清单的建立及减排建议
2016-04-20郑新梅李文青
郑新梅 李文青

摘 要:该文在问卷调查和资料查阅的基础上,针对二氧化硫对南京市电力行业进行活动水平调研,采用“自下而上”的方法建立了南京市2014年电力行业二氧化硫排放清单。结果表明,2014年南京市电力行业二氧化硫排放总量为27 735.20t,该结果与2014年环境统计资料结果较吻合,证明该清单编制方法具有较强的可操作性和可信性。根据本研究所建立的二氧化硫排放清单,从改变能源结构、优化发电设备、优化脱硫设备、加强煤炭脱硫工作等方面提出了二氧化硫减排建议。
关键词:电厂;大气污染物排放清单;二氧化硫
中图分类号 X322 文献标识码 A 文章编号 1007-7731(2016)06-106-03
Development of Sulfur Dioxide Emission Inventory and Emission Reduction Analysis for Electric Power Industry in Nanjing City
Zheng Xinmei et al.
(Nanjing Academy of Environmental Science,Nanjing 210013,China)
Abstract:Activity level of electric power industry in Nanjing was obtained by questionnaire survey and references consulting aimed at SO2. A“bottom-up”approach was adopted to build the SO2 emission inventory for the electric power industry of Nanjing in 2014. Results showed that the SO2 emission of the electric power industry was 27735.20 tons,and it was consistent with the data of environmental statistics in 2014. It was proved that the emission inventory establishment method was greatly operability and credibility.According to the results,pollution reduction measures of SO2 were put forward from the following aspects such as energy structure changes,power generation equipment optimization,desulfurization equipment optimization and coal desulfurization.
Key words:Power plant;Atmospheric pollutant emission inventory;Sulfur dioxide
1 引言
当前我国空气污染仍以煤烟型为主,主要污染物是烟尘和SO2,燃煤电厂是排放SO2等气态致酸物质的主要污染源,是我国目前控制区域酸沉降的重点[1]。南京市是江苏省省会和东部重要的工业城市,第二产业发达。有研究表明,2011年南京市工业煤耗量、二氧化硫排放量在江苏省13个省辖市和全国15个副省级城市中均排名前3位,环境保护形势严峻。电力行业是南京市重要的支柱行业,电厂燃煤占全市燃煤的比例高达60%以上,历年环境统计显示,电力行业的硫氮尘排放量极高,在工业企业中排名靠前。因此,建立电力行业清单,实现电力行业污染物控制是南京市大气污染减排的重要内容。本研究采用问卷调查的方法调研了南京市的电力行业状况,结合2014年环境统计资料,根据环保部推荐的大气污染物排放清单制定指南,建立了2014年电力行业SO2污染物排放清单,对于SO2减排政策的制定具有较高的参考价值。……
