Applicability of Heavy-Metal Phytoextraction in United Arab Emirates: An Investigation of Candidate Species

Ayman Alyazouri, Roger Jewsbury, Hassan Tayim, Paul Humphreys, Mohammad H. Al-sayah

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Phytoremediation of contaminated calcareous desert land in the United Arab Emirates has been investigated. Soils from 12 northern UAE sites, suspected of metal contamination, were acid-extracted and analyzed by ICP-OES for Co, Cr, Cu, Fe, Mn, Ni, Pb, and Zn. Twenty-two plants naturally growing at contaminated sites were sampled and analyzed for their uptake of Co, Cr, Cu, Mn, Ni, Pb, and Zn and eight commercially available plants, grown under controlled conditions, were also studied for their phytoextraction capabilities. The concentration of available Cr was found to be 1300 ± 150 mg/kg in the soil of the Ajman Industrial Zone and 80 ± 10 mg/kg of Pb was found at Bithna. Among the plants investigated, Portulaca oleracea and Iresine herbstii showed potential for Cr(VI) and Pb(II) accumulation, respectively, with bioconcentration factors (BCF) greater than unity. Atriplex halimus accumulated Co(II), Cr(III), and Cu(II) each with a BCF > 1.
LanguageEnglish
Pages557-570
JournalSoil and Sediment Contamination
Volume23
Issue number5
DOIs
Publication statusPublished - Jan 2014

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United Arab Emirates
phytoremediation
Heavy Metals
Heavy metals
bioaccumulation factor
heavy metals
heavy metal
Soils
Atriplex
Portulaca
Soil
Atriplex halimus
Portulaca oleracea
Environmental Biodegradation
Contamination
Metals
Acids
deserts
soil
desert

Cite this

Alyazouri, Ayman ; Jewsbury, Roger ; Tayim, Hassan ; Humphreys, Paul ; Al-sayah, Mohammad H. / Applicability of Heavy-Metal Phytoextraction in United Arab Emirates: An Investigation of Candidate Species. In: Soil and Sediment Contamination. 2014 ; Vol. 23, No. 5. pp. 557-570.
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abstract = "Phytoremediation of contaminated calcareous desert land in the United Arab Emirates has been investigated. Soils from 12 northern UAE sites, suspected of metal contamination, were acid-extracted and analyzed by ICP-OES for Co, Cr, Cu, Fe, Mn, Ni, Pb, and Zn. Twenty-two plants naturally growing at contaminated sites were sampled and analyzed for their uptake of Co, Cr, Cu, Mn, Ni, Pb, and Zn and eight commercially available plants, grown under controlled conditions, were also studied for their phytoextraction capabilities. The concentration of available Cr was found to be 1300 ± 150 mg/kg in the soil of the Ajman Industrial Zone and 80 ± 10 mg/kg of Pb was found at Bithna. Among the plants investigated, Portulaca oleracea and Iresine herbstii showed potential for Cr(VI) and Pb(II) accumulation, respectively, with bioconcentration factors (BCF) greater than unity. Atriplex halimus accumulated Co(II), Cr(III), and Cu(II) each with a BCF > 1.",
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Applicability of Heavy-Metal Phytoextraction in United Arab Emirates: An Investigation of Candidate Species. / Alyazouri, Ayman; Jewsbury, Roger; Tayim, Hassan; Humphreys, Paul; Al-sayah, Mohammad H.

In: Soil and Sediment Contamination, Vol. 23, No. 5, 01.2014, p. 557-570.

Research output: Contribution to journalArticle

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