Phytoremediation - A sustainable approach for contaminant remediation in arid and semi-arid regions -a review

Prabha K. Padmavathiamma, Mushtaque Ahmed, Hayder Abdel Rahman

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Existing information relating to the application of phytoremediation in arid regions, for mitigating the toxicity of organic and inorganic contaminants is summarized, emphasizing the comparative merits of different phytostrategies. Adverse climatic conditions in arid and semi-arid environments along with the intrinsic abiotic stresses need specific considerations, which are discussed here. The current "state of art" for petrochemical and metal phytoremediation, as well as phytodesalination is presented, making it possible to choose the very best decision, when the technology is applied for various contaminant scenarios. Information is also provided on contaminants in arid regions, remediation approaches and different phytoremediation strategies to be adopted, depending on the nature of contaminants and the site situations. Furthermore, phytodesalination may well occur in parallel with phytoremediation of heavy metal polluted soils in arid regions, enhancing the potential of this process. This has drawn a great deal of interest during recent years and is reviewed here. Finally, the lacunae in the current knowledge are identified, which has to be addressed to improve the effectiveness of phytoremediation under arid conditions.

Original languageEnglish
Pages (from-to)757-772
Number of pages16
JournalEmirates Journal of Food and Agriculture
Volume26
Issue number9
DOIs
Publication statusPublished - 2014

Fingerprint

Environmental Biodegradation
phytoremediation
remediation
arid zones
dry environmental conditions
petrochemicals
Heavy Metals
polluted soils
abiotic stress
heavy metals
Soil
Metals
metals
toxicity
Technology

Keywords

  • Arid soils
  • Contaminants
  • Phytodesalination
  • Phytoremediation
  • Pollution

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Animal Science and Zoology
  • Food Science
  • Applied Microbiology and Biotechnology

Cite this

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abstract = "Existing information relating to the application of phytoremediation in arid regions, for mitigating the toxicity of organic and inorganic contaminants is summarized, emphasizing the comparative merits of different phytostrategies. Adverse climatic conditions in arid and semi-arid environments along with the intrinsic abiotic stresses need specific considerations, which are discussed here. The current {"}state of art{"} for petrochemical and metal phytoremediation, as well as phytodesalination is presented, making it possible to choose the very best decision, when the technology is applied for various contaminant scenarios. Information is also provided on contaminants in arid regions, remediation approaches and different phytoremediation strategies to be adopted, depending on the nature of contaminants and the site situations. Furthermore, phytodesalination may well occur in parallel with phytoremediation of heavy metal polluted soils in arid regions, enhancing the potential of this process. This has drawn a great deal of interest during recent years and is reviewed here. Finally, the lacunae in the current knowledge are identified, which has to be addressed to improve the effectiveness of phytoremediation under arid conditions.",
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