Abstract
Two heavy metal-resistant rhizobacteria bacteria (Brevundimonas diminuta SF-S1-5 and Alcaligenes faecalis SF-S1-60) were bioaugmented in sand and also spiked with 100 ppm Pb and 1 ppm Hg and the removal of these metals was monitored using plant, Scirpus mucronatus. The highest accumulation of Pb and Hg were obtained in the root of S. mucronatus inoculated with A. faecalis at day 42 and 28, respectively. Plant inoculated with A. faecalis also showed the highest bioaccumulation coefficient and bioconcentration factor values > 1 compared to plant inoculated with B. diminuta and control.
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Acknowledgments
We gratefully acknowledge Petronas Research Sdn. Bhd. (PRSB) (project STGL-010-2008) for supporting of this research, Tasik Chini Research Centre, UKM for providing the plant, and the Ministry of Science, Technology and Innovation (MOSTI), Malaysia for providing National Science Fellowship (NSF).
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Hamzah, A., Sarmani, S.B. & Yatim, N.I. Phytoremediation of Pb and Hg by using Scirpus mucronatus with addition of bacterial inoculums. J Radioanal Nucl Chem 304, 151–155 (2015). https://doi.org/10.1007/s10967-014-3775-9
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DOI: https://doi.org/10.1007/s10967-014-3775-9