Characterization of the particulate emissions from the BP Deepwater Horizon surface oil burns

Brian K. Gullett, Michael D. Hays, Dennis Tabor, Randy Lee Vander Wal

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Sampling of the smoke plumes from the BP Deepwater Horizon surface oil burns led to the unintentional collection of soot particles on the sail of an instrument-bearing, tethered aerostat. This first-ever plume sampling from oil burned at an actual spill provided an opportunistic sample from which to characterize the particles' chemical properties for polycyclic aromatic hydrocarbons (PAHs), organic carbon, elemental carbon, metals, and polychlorinated dibenzodioxins/dibenzofurans (PCDDs/PCDFs) and physical properties for size and nanostructure. Thermal-optical analyses indicated that the particulate matter was 93% carbon with 82% being refractory elemental carbon. PAHs accounted for roughly 68 μg/g of the PM filter mass and 5 mg/kg oil burned, much lower than earlier laboratory based studies. Microscopy indicated that the soot is distinct from more common soot by its aggregate size, primary particle size, and nanostructure. PM-bound metals were largely unremarkable but PCDD/PCDF formation was observed, contrary to other's findings. Levels of lighter PCDD/PCDF and PAH compounds were reduced compared to historical samples, possibly due to volatilization or photo-oxidation.

Original languageEnglish (US)
Pages (from-to)216-223
Number of pages8
JournalMarine pollution bulletin
Volume107
Issue number1
DOIs
StatePublished - Jun 15 2016

Fingerprint

particulate emissions
polychlorinated dibenzodioxins
Particulate emissions
PCDD
polychlorinated dibenzofurans
Polycyclic aromatic hydrocarbons
Soot
PCDF
soot
polycyclic aromatic hydrocarbons
oils
nanomaterials
PAH
Carbon
carbon
oil
Nanostructures
Bearings (structural)
Sampling
Photooxidation

All Science Journal Classification (ASJC) codes

  • Oceanography
  • Aquatic Science
  • Pollution

Cite this

Gullett, Brian K. ; Hays, Michael D. ; Tabor, Dennis ; Vander Wal, Randy Lee. / Characterization of the particulate emissions from the BP Deepwater Horizon surface oil burns. In: Marine pollution bulletin. 2016 ; Vol. 107, No. 1. pp. 216-223.
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Characterization of the particulate emissions from the BP Deepwater Horizon surface oil burns. / Gullett, Brian K.; Hays, Michael D.; Tabor, Dennis; Vander Wal, Randy Lee.

In: Marine pollution bulletin, Vol. 107, No. 1, 15.06.2016, p. 216-223.

Research output: Contribution to journalArticle

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