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Sources and Formation Processes of Short-ChainSaturated Diacids (C2–C4) in Inhalable Particles(PM10) from Huangshi City, Central China
Liu,HX(Liu,Hongxia)1; Kawamura,K(Kawamura,Kimitaka)2,3; Kunwar,B(Kunwar,Bhagawati)2,3; Cao,JJ(Cao,Junji)4; Zhang,JQ(Zhang,Jiaquan)1; Zhan,CL(Zhan,Changlin)1; Zheng,JR(Zheng,Jingru)1; Yao,RZ(Yao,Ruizhen)1; Liu,T(Liu,Ting)1; Liu,XL(Liu,Xianli)1; Xiao,WS(Xiao,Wensheng)1; Liu,Hongxia
2017
发表期刊Atmosphere
卷号8期号:11页码:213
文章类型期刊论文
其他摘要PM10 samples were collected from Huangshi (HS) city, Central China during April 2012 to March 2013, and were analyzed for short-chain saturated dicarboxylic acids (diacids) using a capillary gas chromatograph (GC). We found that oxalic acid (C2, 318 ± 104 ng·m−3) was the most abundant diacid species, followed by malonic acid (C3, 25.4 ± 9.11 ng·m−3) and succinic acid (C4, 2.09 ± 0.52 ng·m−3). The concentrations of C2 and C4 diacids were highest in winter, followed by summer and spring, and lowest in autumn. C3 diacid was decreased in the order of summer > winter > autumn > spring. Further, the seasonal variations of WSOC (water-soluble organic carbon)- and OC (organic carbon)-normalized diacid concentrations were similar to those of diacid concentrations, suggesting that both primary emission and secondary production are important sources for diacids in Huangshi (HS) aerosols. Strong correlations were found among C2 diacid and the three ions SO42−, NO3−, and NH4+ in summer and winter, suggesting that the species could undergo a similar secondary oxidation processing. C2 had good correlation with K+ in summer and autumn, which indicates an enhanced contribution of combustion sources for C2 diacid. Moreover, according to the ratio of C2/K+, we can conclude that C2 diacid should be formed by a secondary reaction of biomass combustion in HS aerosols, especially in summer and autumn. The ratios of C2/C4 and C3/C4 were compared with those reported in other sites, and the results suggest that HS aerosols should be more photochemically aged than at other urban areas. Principal component analysis of diacids and selected water-soluble inorganic ions over four seasons suggests that HS aerosols are influenced not only from primary emission, but also from secondary reaction. According to the linear relation between C2 and C3 diacids, the results indicate that C2 diacid is formed from the oxidation of hydrocarbon compounds in spring, while it is from the oxidation of C3 and C4 diacids in summer, autumn, and winter.
关键词Inhalable Particles Short-chain Saturated Diacids Primary Emission Photochemicaloxidation Huangshi City Central China
DOI10.3390/atmos8110213
收录类别SCI
所属项目编号16xjz05A ; 2014105 ; 2016109 ; xt201303 ; 2013FY112700
语种英语
项目资助者Key Research Project of Hubei Polytechnic University ; Key Research Project of Hubei Polytechnic University ; Open Foundation of Hubei Key Laboratory of Mine Environmental Pollution Control& Remediation ; Open Foundation of Hubei Key Laboratory of Mine Environmental Pollution Control& Remediation ; Open Research Fund of Joint Innovative Centre for Pollution Control andResource Utilization Technology in Mining Area ; Open Research Fund of Joint Innovative Centre for Pollution Control andResource Utilization Technology in Mining Area ; Science and Technology of State Ministryof Science and Technology Special Fund ; Science and Technology of State Ministryof Science and Technology Special Fund
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文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5633
专题粉尘与环境研究室
通讯作者Liu,Hongxia
作者单位1.Hubei Key Laboratory of Mine Environmental Pollution Control & Remediation, School of EnvironmentalScience and Engineering, Hubei Polytechnic University, Huangshi 435003, China
2.Institute of Low Temperature Science, Hokkaido University, Sapporo 060-0819, Japan
3.Now at Chubu Institute for Advanced Studies, Chubu University, Kasugai 487-8501, Japan
4.Key Laboratory of Aerosol Chemistry and Physics (KLACP), Institute of Earth Environment,Chinese Academy of Sciences, Xi’an 710075, China
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Liu,HX(Liu,Hongxia),Kawamura,K(Kawamura,Kimitaka),Kunwar,B(Kunwar,Bhagawati),等. Sources and Formation Processes of Short-ChainSaturated Diacids (C2–C4) in Inhalable Particles(PM10) from Huangshi City, Central China[J]. Atmosphere,2017,8(11):213.
APA Liu,HX.,Kawamura,K.,Kunwar,B.,Cao,JJ.,Zhang,JQ.,...&Liu,Hongxia.(2017).Sources and Formation Processes of Short-ChainSaturated Diacids (C2–C4) in Inhalable Particles(PM10) from Huangshi City, Central China.Atmosphere,8(11),213.
MLA Liu,HX,et al."Sources and Formation Processes of Short-ChainSaturated Diacids (C2–C4) in Inhalable Particles(PM10) from Huangshi City, Central China".Atmosphere 8.11(2017):213.
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