广州市住宅室内、外PM_(2.5)中碳污染来源解析  

SOURCE APPORTIONMENT OF CARBONACEOUS FOR INDOOR AND OUTDOOR PM_(2.5) IN GUANGZHOU CITY

作　　者：黄虹[1] 李顺诚[2] 曹军骥[3] 邹长伟[4] 陈新庚[5] 范绍佳[5] 

机构地区：[1]华南师范大学化学与环境学院,广东广州510631 [2]香港理工大学土木及结构工程系 [3]中国科学院地球环境研究所,陕西西安710075 [4]南昌大学环境科学与工程学院,江西南昌330029 [5]中山大学环境科学与工程学院,广东广州510275

出　　处：《华南师范大学学报（自然科学版）》2007年第4期85-91,共7页Journal of South China Normal University(Natural Science Edition)

基　　金：国家自然科学青年基金资助项目(NSFC40205018);香港研究资助局资助项目(PolyU5145/03E)

摘　　要：旨在对大气PM2.5中碳污染来源进行解析,以寻求科学合理的预防与污染控制对策.在广州市9个居民住宅的室内、室外同步采集了PM2.5样品,对PM2.5中有机碳(OC)、元素碳(EC)组分采用热光反射分析法(TOR)分析.IMPROVE-TOR法分析OC、EC的过程中,根据固定的温度梯级将OC和EC区分为8个组分(OC1、OC2、OC3、OC4、EC1、EC2、EC3和OPC).分析了广州市9个采样住宅夏、冬季室内和室外PM2.5中8个碳组分占总碳(TC)的平均丰度及其规律和启示.采用因子分析法对PM2.5中碳污染主要来源的定量贡献进行解析,找出广州市PM2.5中碳污染主要来源及其贡献率.采用简化模型,对室内OC、EC源对室内总碳的相对贡献率,室外OC、EC源对室内总碳的相对贡献率进行了定量化研究.It was aimed to apportion the sources of carbonaceous in PM2.5, consequently to constitute scientific and reasonable measurements on control of carbonaceous. PM2.5 were collected inside and outside nine residences simultaneously in Guangzhou city, and were analyzed for organic and elemental carbon （OC and EC ） by thermal/optical reflectance （TOR） following IMPROVE protocol. By the TOR method, eight carbon components, OC1, OC2, OC3, OC4, EC1, EC2, EC3 and OPC, were gained corresponding to the analysis tempareture. Average contributions of 8 carbon components to total carbon inside and outside these nine residences during summer and winter were discussed. The sources of the carbonaceous in PM2.5 of Guangzhou city were quantified by Factor Analysis method on basis of the data of the above 8 carbon components. In addition, relative contributions of indoor OC and EC sources to indoor iotal carbon, and of outdoor OC and EC sources to indoor total carbon were both studied and quantified by simplified model.

关 键 词：PM2.5 碳污染 有机碳(OC) 元素碳(EC) 源解析 

分 类 号：X513[环境科学与工程—环境工程]