DOI: 10.1016/j.atmosenv.2015.06.039
Scopus记录号: 2-s2.0-84936770136
论文题名: Carbonaceous composition of PM<inf>2.5</inf> emitted from on-road China III diesel trucks in Beijing, China
作者: Wu B ; , Shen X ; , Cao X ; , Zhang W ; , Wu H ; , Yao Z
刊名: Atmospheric Environment
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2015
卷: 116 起始页码: 216
结束页码: 224
语种: 英语
英文关键词: Carbonaceous composition
; Diesel trucks
; Particulate matter
; PEMS
Scopus关键词: Air quality
; Airships
; Automobiles
; Carbon
; Crashworthiness
; Off road vehicles
; Organic carbon
; Research aircraft
; Roads and streets
; Transportation
; Trucks
; Vehicles
; Diesel truck
; Driving conditions
; Emission characteristics
; Fine particulate matter
; Focus of researches
; Particulate Matter
; PEMS
; Portable emissions measurement systems (PEMS)
; Air pollution control equipment
; carbon
; organic carbon
; aerosol composition
; air quality
; anthropogenic source
; carbon emission
; diesel engine
; emission control
; exhaust emission
; particulate matter
; pollution policy
; trucking
; air quality
; Article
; China
; diesel engine
; exhaust gas
; particulate matter
; priority journal
; simulation
; uncertainty
; Beijing [China]
; China
Scopus学科分类: Environmental Science: Water Science and Technology
; Earth and Planetary Sciences: Earth-Surface Processes
; Environmental Science: Environmental Chemistry
英文摘要: Fine particulate matter (PM2.5 ) has attracted increasing attention due to its impacts on air quality and human health. As an important source of PM2.5 , diesel vehicles are often the focus of research. In this study, we characterized the carbonaceous composition of PM2.5 that is emitted from on-road China III diesel trucks (DTs). Organic carbon (OC), elemental carbon (EC), and PM2.5 emission characteristics were determined for 17 China III DTs, including 6 light-duty diesel trucks (LDDTs), 5 medium-duty diesel trucks (MDDTs), and 6 heavy-duty diesel trucks (HDDTs), based on real-world measurements in Beijing, China, using a portable emissions measurement system (PEMS). The average distance-based PM2.5 emission factors (EFs) (gkm-1) generally increased and the average CO2 -based PM2.5 EFs (g (kg of CO2 )-1) generally decreased with increased vehicle size from LDDTs to MDDTs to HDDTs. The effects of driving conditions on the EFs for carbonaceous PM2.5 were analyzed. The results show that distance-based and CO2 -based EFs strongly depend on driving conditions. Generally, greater amounts of PM2.5 and OC are emitted from non-highway driving cycles, and greater amounts of EC are emitted from highway driving cycles for vehicles of the same size. For LDDTs, MDDTs, and HDDTs, no significant differences were observed between vehicles with different EC/OC ratios; therefore, the EC/OC ratio is not useful for distinguishing between the emissions generated by differently sized vehicles. The EC/OC, OC/PM2.5 , and EC/PM2.5 mass ratios are strongly dependent on driving conditions for vehicles of the same size. The results of this study provide EFs for the carbonaceous composition of PM2.5 that are more appropriate for China; these results will be helpful for improving policies that are designed to control the carbonaceous composition of PM2.5 emitted from on-road DTs in China. •17 in-use diesel trucks were tested in Beijing using a PEMS.•Emission characteristics of carbonaceous PM2.5 for tested vehicles were analyzed.•PM2.5 , OC, and EC EFs of DTs were calculated based on distance and CO2 emissions.•The EC/OC, OC/PM2.5 , and EC/PM2.5 mass ratios were strongly dependent on driving conditions. © 2015 Elsevier Ltd. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/81615
Appears in Collections: 气候变化事实与影响
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作者单位: School of Food and Chemical Engineering, Beijing Technology and Business University, Beijing, China; State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing, China; State Environmental Protection Key Laboratory of Sources and Control of Air Pollution Complex, Tsinghua University, Beijing, China
Recommended Citation:
Wu B,, Shen X,, Cao X,et al. Carbonaceous composition of PM<inf>2.5</inf> emitted from on-road China III diesel trucks in Beijing, China[J]. Atmospheric Environment,2015-01-01,116