Review on characteristics of PAHs in atmosphere, anthropogenic sources and control technologies

Nguyen Duy Dat, Moo Been Chang

Research output: Contribution to journalReview articlepeer-review

167 Scopus citations

Abstract

Polycyclic aromatic hydrocarbons (PAHs) are a group of organic compounds composed of multiple aromatic rings. PAHs are ubiquitous atmospheric pollutants which are well-recognized as carcinogenic, teratogenic and genotoxic compounds. PAHs are released from incomplete combustion or pyrolysis of materials containing carbon and hydrogen, such as coal, oil, wood and petroleum products. Understanding the characteristics of PAHs in atmosphere, source profiles and technologies available for controlling PAHs emission is essential to reduce the impacts of PAHs. This paper offers an overview on concentration and distribution of atmospheric PAHs, emission factors and distribution of PAHs in different sources, and available control technologies. Characteristics of atmospheric PAHs vary with meteorological conditions and emission sources, while characteristics of PAHs emission depend on burned material and combustion condition. Combination of some technologies may be necessary for effective removal of both low-ring and high-ring PAHs.

Original languageEnglish
Pages (from-to)682-693
Number of pages12
JournalScience of the Total Environment
Volume609
DOIs
StatePublished - 31 Dec 2017

Keywords

  • Ambient air
  • Characteristics
  • Control technologies
  • PAHs
  • Sources

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