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Requested Product

Title: Solid-Phase Treatment of a Pentachlorophenol-Contaminated Soil Using Lignin-Degrading Fungi

Source: Environmental Science & Technology

Author(s)Lamar, Richard T.; Evans, James W.; Glaser, John A.

Publication Year: 1993  View PDF »

Category: Journal Articles

Abstract: The abilities of three lignin-degrading fungi, Phanerochaete chrysosporium, Phanerochaete sordida, and Trametes hirsuta, to deplete pentachlorophenol (PCP) from soil contaminated with PCP and creosote were evaluated. A total of seven fungal and three control treatments were examined for their effect on the soil PCP concentration over eight weeks in two complementary field treatability studies at the Brookhaven Wood Preserving Facility in Brookhaven, MS. The fungi were applied to the soil as pure or mixed cultures at several different inoculum loading levels (inoculum:soil, w/w, dry). Inoculation of soil that contained 672 μg g-1 PCP and 4017 μg g-1 total measured polynuclear aromatic components of creosote with P. sordida at 10% resulted in the greatest decrease in PCP concentration (89%). PCP decreases by P. chrysosporium (67%-72%) or T. hirsuta (55%) at the same inoculum loading level were less extensive. The results of this study demonstrate that with further development, bioaugmentation using lignin-degrading fungi has the potential to be a viable treatment option for the remediation of PCP-contaminated soils.

Keywords: Pentachlorophenol; Phanerochaete chrysosporium; Soil pollution; Toxic substances; Wood preservatives

Publication Review Process: Non-Refereed (Other)

File size: 871 kb(s)

Date posted: 08/09/2012
RITS Product ID: 60654
Current FPL Scientist associated with this product
Evans, James W.
Mathematical Statistician
  

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