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Phytoremediation of Arsenic Contaminated Water

In: Heavy Metals

Author

Listed:
  • Randhir Kumar
  • Tarun Banerjee

Abstract

The present investigation deals with the detoxification of arsenic contaminated water using phytoremediation technique. Three macrophytes Azolla pinnata, Lemna minor, and Hydrilla verticillata were exposed to 1.0 ppm of an arsenic salt (sodium arsenite) separately as well as in combination (ALH) for 10 days. The concentration of arsenic in control (wild) macrophytes was below detectable limit. Following exposure, the concentration of arsenic increased steadily in all the plants, and after 10 days, the efficacy of arsenic depletion in phytoremediated media was in the order: A. pinnata (88.06%) > L. minor (82.56%) > H. verticillata (77.53%) and 85.50% when applied in combination (ALH). It was found that A. pinnata can detoxify the arsenic contaminated water most efficiently.

Suggested Citation

  • Randhir Kumar & Tarun Banerjee, 2018. "Phytoremediation of Arsenic Contaminated Water," Chapters, in: Hosam M. Saleh & Refaat Fekry Eid Sayed (ed.), Heavy Metals, IntechOpen.
    • Handle: RePEc:ito:pchaps:138414
    DOI: 10.5772/intechopen.72238
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    More about this item

    Keywords

    arsenic contamination; bioaccumulation; macromolecular depletion macrophytes; phytoremediation;
    All these keywords.

    JEL classification:

    • Q55 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Environmental Economics: Technological Innovation

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