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See discussions, stats, and author profiles for this publication at:Phytoremediation of cadmium-, lead- and nickel-contaminated water byPhragmites australis in hydroponic systemsArticleinEcological Engineering · September 2018DOI: 10.1016/j.ecoleng.2018.05.035CITATIONS48READS2285 authors, including:Some of the authors of this publication are also working on these related projects:Microbial Enhanced Oil Recovery (MEOR)View projectSynthesis and Characterization of Micro and Nano Carbon Materials Coated with Polyelectrolyte for Removal of Heavy Metals from WaterView projectBassam TawabiniKing Fahd University of Petroleum and Minerals83PUBLICATIONS712CITATIONSSEE PROFILEAmjad Bajes KhalilKing Fahd University of Petroleum and Minerals71PUBLICATIONS896CITATIONSSEE PROFILEChristopher R. J. BolandSaudi Aramco27PUBLICATIONS629CITATIONSSEE PROFILEAll content following this page was uploaded byChristopher R. J. Bolandon 06 October 2020.The user has requested enhancement of the downloaded file.
UNCORRECTED PROOFEcological Engineering xxx (2018) xxx-xxxContents lists available at ScienceDirectEcological Engineeringjournal homepage: Phytoremediation of cadmium-, lead- and nickel-contaminated water byPhragmitesaustralisin hydroponic systemsAkeem O. Belloa, Bassam S. Tawabinib, Amjad B. Khalilc, Christopher R. Bolandd, Tawfik A. Salehe,aEnvironment and Sustainability Section, EHS, King Fahd University of Petroleum and Minerals, Saudi ArabiabDepartment of Petroleum and Geosciences, King Fahd University of Petroleum and Minerals, Saudi ArabiacDepartment of Life Sciences, King Fahd University of Petroleum and Minerals, Saudi ArabiadEnvironmental Protection Department, Saudi Aramco, Saudi ArabiaeDepartment of Chemistry, King Fahd University of Petroleum and Minerals, Saudi ArabiaA R T I C L EI N F OKeywords:RemediationHeavy metalsDeep-water cultureIndigenous plantsContaminationA B S T R A C TThis study was carried out to investigate the phytoremediation ability ofPhragmites australisto remove cadmium(Cd), lead (Pb) and nickel (Ni) from contaminated water, to study the effect of pH and salinity on the removal ofcadmium, lead, and nickel, and to estimate the pattern of accumulation of these metals in the roots, shoots, andleaves of the plant. The experiments were carried out in a deep-water hydroponic system and 5mg/L was usedas a concentration of each of the heavy metals. The results of the study showed thatP. australishad a residual of7% (93% removal) of cadmium, 5% (95% removal) of lead and 16% (84% removal) of nickel over a 6-week pe-riod. In the control experiment, there was a residual of 96% (4% removal) for both cadmium and lead and 89%(11% removal) for nickel over a 6-week period. There was no major effect of pH on the removal of cadmiumexcept at pH10, which led to a slightly reduced removal of cadmium (89% removal). Also, there was no majoreffect of pH on the removal of lead, however, there was the enhanced removal of nickel at pH10 (93% removal).

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