DOI: 10.1016/j.atmosenv.2018.02.017
Scopus记录号: 2-s2.0-85042190845
论文题名: A laboratory study of particulate and gaseous emissions from crude oil and crude oil-dispersant contaminated seawater due to breaking waves
作者: Afshar-Mohajer N ; , Li C ; , Rule A ; M ; , Katz J ; , Koehler K
刊名: Atmospheric Environment
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2018
卷: 179 起始页码: 177
结束页码: 186
语种: 英语
英文关键词: Aerosolization
; Oil spill
; Particle-bound PAHs
; TVOC
; UFPs
; Wave tank
Scopus关键词: Aromatic hydrocarbons
; Mixtures
; Nanotechnology
; Oil spills
; Particulate emissions
; Seawater
; Tanks (containers)
; Volatile organic compounds
; Water waves
; Wave energy conversion
; Aerosol size distributions
; Aerosolization
; Airborne particulate matters
; Plunging breaking waves
; Total number concentrations
; TVOC
; UFPs
; Wave tank
; Crude oil
; aromatic hydrocarbon
; oil dispersant
; petroleum
; sea water
; surface water
; volatile organic compound
; aerosol
; Article
; concentration process
; environmental health
; exhaust gas
; gas waste
; laboratory test
; measurement accuracy
; oil spill
; particle size
; particulate matter
; priority journal
; sea pollution
; spike wave
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: Crude oil spill incidents occur frequently causing a verity of occupational, ecological and environmental problems. Dispersants are applied to enhance the dispersion rate of crude oil slicks into the water column. In this study, the aerosol size distribution from 10 nm to 20 μm, total particle-bound aromatic hydrocarbons (pPAH) and volatile organic compounds (VOCs) are measured in a 6 x 0.3 x 0.6 m tank as plunging breaking waves entrain oil slicks. The experiments are performed for seawater with slicks of crude oil, crude oil-dispersant mixture and dispersant only. The measurements investigate the effects of wave energy and slick properties on the temporal evolution of the emissions. The total number concentrations of particles originating from the oil-dispersant mixture are 1–2 orders of magnitude higher than those of crude oil across the entire nano-scale range, reaching 100x for 20 nm particles. Conversely, the differences in concentration are small in the micron range. The average concentrations of pPAH are variable but similar (150–270 ng/m3). The VOC concentrations for crude oil-dispersant mixtures are 2–3 times lower than those of crude oil, presumably due to the surfactant effect on mass diffusion. The drastic increase in ultrafine particle concentrations may raise concerns about effects of inhalation by cleanup workers and downstream communities though VOC emissions reduce. Findings through this study provide insight into how the spray of dispersant may change the ratio of airborne particulate matter and VOC emissions from seawater due to natural processes. © 2018 Elsevier Ltd Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/82984
Appears in Collections: 气候变化事实与影响
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作者单位: Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States; Department of Mechanical Engineering, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD, United States
Recommended Citation:
Afshar-Mohajer N,, Li C,, Rule A,et al. A laboratory study of particulate and gaseous emissions from crude oil and crude oil-dispersant contaminated seawater due to breaking waves[J]. Atmospheric Environment,2018-01-01,179