温州市区PM2.5无机元素污染特征及来源分析
Characteristics and source apportionment of inorganic elements in PM2.5 in Wenzhou, Zhejiang
-
摘要: 为探究温州市区大气细颗粒物PM2.5及其19种无机元素的污染特征和主要来源,分别于2015年1月、4月、7月以及10月(代表4个季度)在温州市区选取4个监测点位采集环境空气PM2.5样品共112个,并利用电感耦合等离子体发射光谱仪(ICP-AES)和原子荧光光度计(AFS)分析样品中19种无机元素的含量.结果表明,温州市区环境空气PM2.5平均质量浓度为83.6±50.2 μg·m-3.温州市不同季节PM2.5浓度最低的均为市站(SZ),春冬季南浦(NP)采样点PM2.5浓度最高.19种无机元素占PM2.5总量的9.90%.样品中主要元素为Na、K、Ca、Si、Zn、Al、Mg和Fe,占所测元素总量的96.7%.龙湾(LW)采样点PM2.5中Fe、Al和Ca元素在多数季节里浓度较高,可能与采样点附近的机械阀门铸造企业和混凝土企业有关.本研究利用富集因子法和主成分分析法进行PM2.5的初步来源分析,结果表明,温州市区PM2.5污染主要来源于燃煤、交通污染、金属冶炼/加工、建筑扬尘和海盐粒子.Abstract: One hundred and twelve PM2.5 samples were collected at 4 locations in urban districts of Wenzhou, Zhejiang Province in January, April, July and October (representing the four seasons) of 2015. The concentrations of 19 inorganic elements bounded to PM2.5 were analyzed by inductively coupling plasma emission spectrograph(ICP-AES) and atomic fluorescence spectrophotometer (AFS), to identify the pollution characteristics and source apportionment. Results showed that the average mass concentration of PM2.5 during the sampling period was 83.6±50.2 μg·m-3. The mean mass concentrations of PM2.5 in SZ were the lowest in all seasons, and the concentrations of PM2.5 in NP were the highest in spring and winter. The 19 inorganic elements accounted for 9.90% of the total PM2.5. Na、K、Ca、Si、Zn、Al、Mg and Fe were the dominant elements in PM2.5, accounting for 96.7% of the measured elements. The concentrations of PM2.5-bound Fe, Al and Ca were higher in LW in most of the season, possibly because of the mechanical valve commercial foundries and concrete companies nearby. The results of enrichment factor method and Principal Component Analysis (PCA) indicated that coal consumption, transportation source, metal smelting and processing, construction dust and sea salt were the main sources of PM2.5 in Wenzhou.
-
Key words:
- Wenzhou /
- fine particles /
- inorganic elements /
- enrichment factor /
- principal component analysis
-
[1] OLE R N, ZORANA J A, ROB B, et al. Air pollution and lung cancer incidence in 17 european cohorts:Prospective analyses from the european study of cohorts for air pollution effects (ESCAPE)[J]. Lancet Oncol, 2013, 14:813-822. [2] ROSANA G, MIRYAM P, TOMÁS M, et al. Short-term impact of particulate matter (PM2.5) on respiratory mortality in Madrid[J]. International Journal of Environmental Health Research, 2011, 21(4):260-274. [3] SRIMURUGANANDAM B, SHIVA NAGENDRA S M. Chemical characterization of PM10 and PM2.5 mass concentrations emitted by heterogeneous traffic[J]. Science of the Total Environment, 2011, 409:3144-3157. [4] 胡鸣,张懿华,赵倩彪. 上海市冬季PM2.5无机元素污染特征及来源分析[J]. 环境科学学报, 2015, 35(7):1993-1999. HU M, ZHANG Y H, ZHAO Q B. Characteristics and sources of inorganic elements in PM2.5 during wintertime in Shanghai[J]. Acta Scientiae Circumstantiae, 2015, 35(7):1993-1999(in Chinese).
[5] 张霖琳,薛荔栋,吕怡兵,等. APEC会期5个城市空气细颗粒物中重金属健康风险评估[J]. 环境化学, 2015, 34(6):1218-1220. ZHANG L L, XUE L D, LV Y B, et al. Health risk assessment of heavy metal in fine particulate matter in five cities during APEC conference[J]. Environmental Chemistry, 2015, 34(6):1218-1220(in Chinese).
[6] 俞梁敏,金哲维,邱亮,等. 昆山市大气PM2.5中无机元素污染特征研究[J]. 环境科学与管理, 2015, 40(6):22-25. YU L M, JIN Z W, QIU L, et al. Research on pollution characteristics of inorganic elements in PM2.5 in Kunshan[J]. Enviromental Science and Management, 2015, 40(6):22-25(in Chinese).
[7] 刘忠马,徐义邦,樊孝俊,等. 南昌市秋季大气PM2.5浓度及化学组分特征分析[J]. 环境污染与防治, 2015, 37(9):55-59. LIU Z M, XU Y B, FAN X J, et al. Content and chemical composition characteristics of PM2.5 in autumn in Nanchang[J]. Environment Pollution and Control, 2015, 37(9):55-59(in Chinese).
[8] MARIO A M T, HUGO S N, LEONEL H M, et al. Potential sources of trace metals and ionic species in PM2.5 in Guadalajara, Mexico:A Case Study during Dry Season[J]. Atmosthere, 2015, 6:1858-1870. [9] SALDIVA P H N, CLARKE R W, COULL B A, et al. Lung inflammation induced by concentrated ambient air particles is related to particle composition[J]. Am J Respir Crit Care Med, 2002, 165:1610-1617. [10] ZHAO P S, DONG F, HE D, et al. Characteristics of concentrations and chemical compositions for PM2.5 in the region of Beijing, Tianjin, and Hebei, China[J]. Atmospheric Chemistry and Physics, 2013, 13:4631-4644. [11] ZHANG F, WANG Z W, CHENG H R. et al. Seasonal variations and chemical characteristics of PM2.5 in Wuhan central China[J]. 2015, 518-519:97-105. [12] LEE H L, PARK S S, KIM K W, et al. Source identification of PM2.5 particles measured in Gwangju, Korea[J]. Atmospheric Research, 2008, 88:199-211. [13] 周志恩,张丹,张灿. 重庆城区不同粒径颗粒物元素组分研究及来源识别[J]. 中国环境监测, 2013, 29(2):9-14. ZHOU Z E, ZHANG D, ZHANG C. Element composition and source identify of different particle size in Chongqing down city[J]. Environmental Monitoring in China, 2013, 29(2):9-14(in Chinese).
[14] KHARE P, BARUAH B P. ELEMENTAL characterization and source identification of PM2.5 using multivariate analysis at the suburban site of North-East India[J]. Atmospheric Research, 2010, 98, 148-162. [15] HUANG L K, WANG K, YUAN C S, et al. Study on the seasonal variation and source apportionment of PM10 in Harbin, China[J]. Aerosol and Air Quality Research, 2010, 10:86-93. [16] XU L L, YU Y K, YU J S, et al. Spatial distribution and sources identification of elements in PM2.5 among the coastal city group in the Western Taiwan Strait region, China[J]. Science of the Total Environment, 2013, 442:77-85. [17] WANG J, HU Z M, ChEN Y Y, et al. Contamination characteristics and possible sources of PM10 and PM2.5 in different functional areas of Shanghai, China[J]. Atmospheric Environment, 2013, 68:221-229. [18] XU L L, CHEN X Q, CHEN J S, et al. Seasonal variations and chemical compositions of PM2.5 aerosol in the urban area of Fuzhou, China[J]. Atmospheric Research, 2012, 104-105:264-272. [19] HUEGLINA C, GEHRIGA R, BALTENSPERGER U, et al. Chemical characterisation of PM2.5, PM10 and coarse particles at urban, near-city and rural sites in Switzerland[J]. Atmospheric Environment, 2005, 39:637-651. [20] 林晓辉,赵阳,樊孝俊,等. 南昌市秋季大气PM2.5中金属元素富集特征及来源分析[J]. 环境科学, 2016, 37(1):35-40. LIN X H, ZHAO Y, FAN X J, et al. Enrichment characteristics and source analysis of metal elements in PM2.5 in autumn in Nanchang City[J]. Environmental Science, 2016, 37(1):35-40(in Chinese).
[21] HSU C Y, CHIANG H C, LIN S L, et al. Elemental characterization and source apportionment of PM10 and PM2.5 in the western coastal area of central Taiwan[J]. Science of the Total Environment, 2016, 541:1139-1150. [22] FANG G C, WU Y S, ChANG S Y, et al. Size distributions of ambient air particles and enrichment factor analyses of metallic elements at Taichung Harbor near the Taiwan Strait[J]. Atmospheric Research, 2006, 81:320-333. [23] TOSCANO G, MORET I, GAMBARO A, et al. Distribution and seasonal variability of trace elements in atmospheric particulate in the Venice Lagoon[J]. Chemosphere, 2011, 85:1518-1524. [24] WANG X H, BI X H, SHENG G Y, et al. Chemical Composition and sources of PM10 and PM2.5 aerosols in Guangzhou, China[J]. Environmental Monitoring and Assessment, 2006, 119:425-439. [25] 康苏花,马玲,李海,等. 石家庄市冬季大气颗粒物中元素组分的特征分析[J]. 河北工业科技,2015, 32(2):172-176. KANG S H, MA L, LI H, et al. Feature analysis on elemental composition of atmospheric particulate matter in winter in Shijiazhuang City[J]. Hebei Journal of Industrial Science and Technology, 2015, 32(2):172-176(in Chinese).
[26] [27] ZHANG R, JING J, TAO J, et al. Chemical characterization and source apportionment of PM2.5 in Beijing seasonal perspective[J]. Atmospheric Chemistry and Physics, 2013, 13:7053-7074. [28] WIDORY D, LIU X D, DONG S P. Isotopes as tracers of sources of lead and strontium in aerosols (TSP&PM2.5) in Beijing[J]. Atmos Environ, 2010, 44:3679-3687. [29] 张霖琳,王超,刀谞,等. 京津冀地区城市环境空气颗粒物及其元素特征分析[J]. 中国环境科学,2014, 34(12):2993-3000. ZHANG L L, WANG C, DAO X, et al. Characterization of elements in air particulate matters in Beijing-Tianjin-Hebei megacities, China.[J]. China Environmental Science, 2014, 34(12):2993-3000(in Chinese).
[30] 温州市统计局国家统计局温州调查队.温州市2015年国民经济和社会发展统计公报[R], 2016.
计量
- 文章访问数: 1963
- HTML全文浏览数: 1900
- PDF下载数: 595
- 施引文献: 0