Nitrate removal from polluted water by using a vegetated floating system.

作者: Maria Luce Bartucca , Tanja Mimmo , Stefano Cesco , Daniele Del Buono

DOI: 10.1016/J.SCITOTENV.2015.10.156

关键词:

摘要: Nitrate (NO3(-)) water pollution is one of the most prevailing and relevant ecological issues. For instance, wide presence this pollutant in environment dramatically altering quality superficial underground waters. Therefore, we set up a floating bed vegetated with terrestrial herbaceous species (Italian ryegrass) aim to remediate hydroponic solutions polluted NO3(-). The allowed plants grow achieve an adequate development. Ryegrass was not affected by treatments. On contrary, plant biomass production total nitrogen content (N-K) increased proportionally amount NO3(-) applied. Regarding cleaning experiments, beds permitted remove almost completely all added from initial concentration 50, 100 150 mg L(-1). Furthermore, calculation bioconcentration factor (BCF) indicated as successfully applicable for remediation In conclusion, results highlight that combination ryegrass system resulted be effective aqueous

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