Publication: Phytoremediation of fuel oil and lead co-contaminated soil by Chromolaena odorata in association with Micrococcus luteus
Issued Date
2016-10-02
Resource Type
ISSN
15497879
15226514
15226514
Other identifier(s)
2-s2.0-84976291273
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Mahidol University
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SCOPUS
Bibliographic Citation
International Journal of Phytoremediation. Vol.18, No.10 (2016), 994-1001
Suggested Citation
Kongkeat Jampasri, Prayad Pokethitiyook, Maleeya Kruatrachue, Puey Ounjai, Acharaporn Kumsopa Phytoremediation of fuel oil and lead co-contaminated soil by Chromolaena odorata in association with Micrococcus luteus. International Journal of Phytoremediation. Vol.18, No.10 (2016), 994-1001. doi:10.1080/15226514.2016.1183568 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/42236
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Title
Phytoremediation of fuel oil and lead co-contaminated soil by Chromolaena odorata in association with Micrococcus luteus
Abstract
© 2016 Taylor & Francis Group, LLC. Phytoremediation is widely promoted as a cost-effective technology for treating heavy metal and total petroleum hydrocarbon (TPH) co-contaminated soil. This study investigated the concurrent removal of TPHs and Pb in co-contaminated soil (27,000 mg kg−1TPHs, 780 mg kg−1Pb) by growing Siam weed (Chromolaena odorata) in a pot experiment for 90 days. There were four treatments: co-contaminated soil; co-contaminated soil with C. odorata only; co-contaminated soil with C. odorata and Micrococcus luteus inoculum; and co-contaminated soil with M. luteus only. C. odorata survived and grew well in the co-contaminated soil. C. odorata with M. luteus showed the highest Pb accumulation (513.7 mg kg−1) and uptake (7.7 mg plant−1), and the highest reduction percentage of TPHs (52.2%). The higher TPH degradation in vegetated soils indicated the interaction between the rhizosphere microorganisms and plants. The results suggested that C. odorata together with M. luteus and other rhizosphere microorganisms is a promising candidate for the removal of Pb and TPHs in co-contaminated soils.