Article (Scientific journals)
Potential of kenaf (Hibiscus cannabinus L.) and corn (Zea mays L.) for phytoremediation of dredging sludge contaminated by trace metals
Arbaoui, Sarra; Evlard, Aricia; Mhamdi, Mohamed El Wafi et al.
2013In Biodegradation
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Keywords :
Dredging sludge; cadmium; zinc
Abstract :
[en] The potential of kenaf (Hibiscus cannabinusL.) and corn (Zea mays L.) for accumulation of cadmium and zinc was investigated. Plants have been grown in lysimetres containing dredging sludge, a substratum naturally rich in trace metals. Biomass production was determined. Sludge and water percolating from lysimeters were analyzed by atomic absorption spectrometry.No visible symptoms of toxicity were observed during the three- month culture. Kenaf and corn tolerate trace metals content in sludge. Results showed that Zn and Cd were found in corn and kenaf shoots at different levels,2.49 mg/kg of Cd and 82.5 mg/kg of Zn in kenaf shoots and2.1mg/kgofCdand10.19mg/kgincornshoots. Quantities of extracted trace metals showed that decontamination of Zn and Cd polluted substrates is possible by corn and kenaf crops. Tolerance and bioaccumulation factors indicated that both species could be used in phytoremediation.
Disciplines :
Phytobiology (plant sciences, forestry, mycology...)
Author, co-author :
Arbaoui, Sarra
Evlard, Aricia ;  Université de Liège - ULiège > Sciences agronomiques > Laboratoire de Toxicologie environnementale
Mhamdi, Mohamed El Wafi
Campanella, Bruno ;  Université de Liège - ULiège > Sciences agronomiques > Laboratoire de Toxicologie environnementale
Paul, Roger ;  Université de Liège - ULiège > Sciences agronomiques > Biologie végétale
Bettaieb, Taoufik
Language :
English
Title :
Potential of kenaf (Hibiscus cannabinus L.) and corn (Zea mays L.) for phytoremediation of dredging sludge contaminated by trace metals
Publication date :
2013
Journal title :
Biodegradation
ISSN :
0923-9820
eISSN :
1572-9729
Publisher :
Springer, New York, United States - New York
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 02 May 2013

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