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Nitrogen removal from eutrophic water by floating-bed-grown water spinach (Ipomoea aquatica Forsk.) with ion implantation

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Jul 2007Publisher:Elsevier BVJournal:Water Research, volume 41, pages 3,152-3,158 (issn: 0043-1354,

Authors: Guo-Ping Sheng; Yue-Jin Wu; Zeng-Liang Yu; Miao Li; Han-Qing Yu;

doi: 10.1016/j.watres.2007.04.010

pmid: 17524443

Nitrogen removal from eutrophic water by floating-bed-grown water spinach (Ipomoea aquatica Forsk.) with ion implantation

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Abstract

The aim of this study was to investigate the use of water spinach (Ipomoea aquatica Forsk.) with N(+) ion-beam implantation for removal of nutrient species from eutrophic water. The mutated water spinach was grown on floating beds, and growth chambers were used to examine the growth of three cultivars of water spinach with ion implantation for 14 days in simulated eutrophic water at both high and low nitrogen levels. The specific weight growth rates of three cultivars of water spinach with ion implantation were significantly higher than the control, and their NO(3)-N and NH(4)-N removal efficiencies were also greater than those of the control. Furthermore, compared with the control, the nitrogen contents in the plant biomass with ion implantation were higher as well.

Related Organizations

Chinese Academy of Sciences
China (People's Republic of)
Chinese Academy of Sciences
China (People's Republic of)
Chinese Academy of Sciences
United States
University of Science and Technology of China
China (People's Republic of)

Keywords

Ions, Nitrogen, Water, Eutrophication, Nitric Oxide, Quaternary Ammonium Compounds, Biodegradation, Environmental, Hydroponics, Biomass, Ipomoea

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