摘要
采用基于多排放系数的煤电行业大气铅排放量计算方法,计算2011—2013年广东省铅排放量,并分析铅污染的地区分布和排放特征。结果表明:全省煤电行业每年向大气中排放铅污染物80.6 t,占燃煤中含铅总量的3.72%;燃煤铅排放系数呈逐年下降趋势,平均值为6.33 kg/万t;燃煤机组大气铅排放量由高到低分别为珠三角>粤东>粤西>粤北,东莞、广州和江门3市铅排放量最高;铅集中排放强度高的城市大多为沿海城市,大气污染扩散条件较好;山区城市中梅州铅集中排放强度较高,其余城市较低;珠三角出海口主要大气铅排放点源分布密集,易形成区域污染,存在一定风险。
Lead emissions of coal-fired power industry from 2011 to 2013 in Guangdong were calculated based on multiple emission coefficients. The regional distribution and emission characteristics of lead pollution were also studied. The results showed that coal-fired power industry in Guangdong discharged 80. 6 tons of lead into the atmosphere each year,accounting for 3. 72% of the total lead in coal. The emission coefficient of lead showed a downward trend year by year. The average emission coefficient was 0. 633 kg lead per thousand tons of coal. The lead emissions of coal-fired plants ranked from high to low were as follows: Pearl River Delta > east >west > north of Guangdong. Dongguan,Guangzhou and Jiangmen were the three highest lead emission cities.Large majority cities with high emissions were coastal cities,which had good condition for pollutant diffusion.The mountainous cities had low lead emissions except for Meizhou. The main lead sources were distributed intensively in Pearl River estuary,which was likely to result in certain risks of regional pollution.
出处
《环境监测管理与技术》
CSCD
2016年第1期24-26,63,共4页
The Administration and Technique of Environmental Monitoring
基金
广东省环境保护厅"广东省典型地区大气中铅污染监控预警方法建设"专项基金资助项目(粤财工[2013]300号)
关键词
煤电行业
铅
排放量
排放因子
大气污染
广东
Coal-fired Power
Lead
Emission
Emission coefficient
Atmospheric pollution
Guangdong
作者简介
陈耿（1985-），男，广东汕头人，工程师，硕士，主要从事环境监测管理工作。
