Bioremediation of polycyclic aromatic hydrocarbons (PAH) in an aged coal-tar-contaminated soil using different in-vessel composting approaches

Blanca Antizar Ladislao, Joe Lopez-Real, Angus James Beck

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

The biodegradation of 16 USEPA-listed PAHs (SigmaPAHs) during simulated in-vessel composting-bioremediation of an aged coal-tar-contaminated soil amended with fresh green waste compost (FGWC) collected from two landfill sites in the United Kingdom (UK) were studied over 56 days. The experimental design compared three constant temperature profiles (TC=38, 55 and 70 degrees C) with one variable temperature profile including treatment at 70 degrees C to comply with regulatory requirements (TP1). The highest disappearance of SigmaPAHs was observed in the soil amended with FGWC (53.2% and 48.1% SigmaPAHs disappearance in soil amended with FGWC-Site 1 and FGWC-Site 2, respectively) containing lower initial organic mater (TOM) (Initial TOM(FGWC-Site 1)=25.6+/-0.6%
Original languageEnglish
Pages (from-to)1583-8
Number of pages6
JournalJournal of Hazardous Materials
Volume137
Issue number3
DOIs
Publication statusPublished - 2006

Keywords / Materials (for Non-textual outputs)

  • Bioreactors
  • Coal Tar
  • Polycyclic Hydrocarbons, Aromatic
  • Soil
  • Temperature
  • Time Factors
  • Waste Management

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