2012
DOI: 10.4136/ambi-agua.684
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The potential of Zea mays, Commelina bengelensis, Helianthus annuus and Amaranthus hybridus for phytoremediation of waste water

Abstract: Waste-water from domestic use and from industrial effluent burden the water systems with high levels of heavy metal hence there is need to remove these heavy metals so that the waste water can be recycled for use for household or irrigation. The present study has screened Zea mays (maize), Commelina bengelensis (wondering jew), Helianthus annuus (sunflower) and Amaranthus hybridus (amaranthus) for their ability to bioaccumulate Pb, Cu, Cd and Zn metals. The results obtained show that the H. annuus and C. benge… Show more

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Cited by 5 publications
(4 citation statements)
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“…However, the contamination by heavy metals can be removed also by plants (Alderson et al, 2015). Nathan et al (2012) showed the capacity of Zea mays, Commelina bengelensis, Helianthus annuuse, and Amaranthus hybridus in bioaccumulation of Pb, Cu, Cd and Zn contained in wastewater. According to these authors, H. annuuse and C. bengelensis has the potential to remove Pb, Cu and Cd, while Z. mays and A. hybridus better absorb the zinc.…”
Section: Physical Chemical and Biological Risks Of Irrigation With Wastewatermentioning
confidence: 99%
“…However, the contamination by heavy metals can be removed also by plants (Alderson et al, 2015). Nathan et al (2012) showed the capacity of Zea mays, Commelina bengelensis, Helianthus annuuse, and Amaranthus hybridus in bioaccumulation of Pb, Cu, Cd and Zn contained in wastewater. According to these authors, H. annuuse and C. bengelensis has the potential to remove Pb, Cu and Cd, while Z. mays and A. hybridus better absorb the zinc.…”
Section: Physical Chemical and Biological Risks Of Irrigation With Wastewatermentioning
confidence: 99%
“…Despite the beneficial aspects of reuse, the application of treated wastewater to soil raises concerns about physical-chemical soil parameters that can drastically affect soil quality and crop development. Undesirable substances such as salts in high concentrations, dissolved solids, toxic agents, microorganisms and heavy metals may be present in the water (Sampaio et al, 2010;Nathan et al, 2012;Singh et al, 2012;Varallo et al, 2012).…”
Section: Introductionmentioning
confidence: 99%
“…Foram encontrados resultados significativos para a fitorremediação de Cr (74 μg g -1 ), Ni (54 μg g -1 ), Cu (70 μg g -1 ), Fe (167 μg g -1 ), Zn (20 μg g -1 ) e Mn (5 μg g -1 ). Nathan et al (2012), avaliando o processo fitorremediador de diversas plantas, descrevem resultados promissores para a remediação de Pb, Cu e Cd em águas residuais empregando Helianthus annuus e Commelina benghalensis. Os autores também concluíram que Zea mays e Amaranthus hybridus foram capazes de bioacumular zinco (Zn).…”
Section: Fitorremediaçãounclassified