Degradation of phenanthrene and pyrene in rhizosphere of grasses and legumes

Sang Hwan Lee, Won Seok Lee, Chang Ho Lee, Jeong-Gyu Kim

Research output: Contribution to journalArticle

145 Citations (Scopus)

Abstract

Phytoremediation is an emerging technology for the remediation of organic soil pollutants such as phenanthrene and pyrene (polycyclic aromatic hydrocarbons, PAHs). The PAH degradation ability of four native Korean plant species (Panicum bisulcatum, Echinogalus crus-galli, Astragalus membranaceus, and Aeschynomene indica) was compared in the greenhouse. During the 80-day experiment, soil samples were collected and analyzed periodically to determine the residual PAH content and microbial activity. More PAHs were dissipated in planted soil (i.e., with a rhizosphere) than in unplanted soil, and there were more obvious effects of plants on pyrene dissipation than on phenanthrene dissipation. After 80 days, >99 and 77-94% of phenanthrene and pyrene, respectively, had been degraded in planted soil, whereas 99% and 69% had been degraded in unplanted soil. This enhanced dissipation of PAHs in planted soils might be derived from increased microbial activity and plant-released enzymes. During the experimental period, a relatively large amount of phenolic compounds, high microbial activity, and high peroxidase activity were detected in planted soils.

Original languageEnglish
Pages (from-to)892-898
Number of pages7
JournalJournal of Hazardous Materials
Volume153
Issue number1-2
DOIs
Publication statusPublished - 2008 May 1

Fingerprint

Rhizosphere
Pyrene
phenanthrene
Poaceae
pyrene
Fabaceae
rhizosphere
Polycyclic Aromatic Hydrocarbons
Soil
grass
Soils
Polycyclic aromatic hydrocarbons
Degradation
degradation
PAH
microbial activity
soil
dissipation
Soil Pollutants
Astragalus membranaceus

Keywords

  • Microbial activity
  • Phytoremediation
  • Polycyclic aromatic hydrocarbons
  • Rhizosphere
  • Soil enzymes

ASJC Scopus subject areas

  • Chemical Health and Safety
  • Process Chemistry and Technology
  • Safety, Risk, Reliability and Quality
  • Environmental Engineering

Cite this

Degradation of phenanthrene and pyrene in rhizosphere of grasses and legumes. / Lee, Sang Hwan; Lee, Won Seok; Lee, Chang Ho; Kim, Jeong-Gyu.

In: Journal of Hazardous Materials, Vol. 153, No. 1-2, 01.05.2008, p. 892-898.

Research output: Contribution to journalArticle

Lee, Sang Hwan ; Lee, Won Seok ; Lee, Chang Ho ; Kim, Jeong-Gyu. / Degradation of phenanthrene and pyrene in rhizosphere of grasses and legumes. In: Journal of Hazardous Materials. 2008 ; Vol. 153, No. 1-2. pp. 892-898.
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