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Article citations


P. Dai, X. G. Wu, W. H. Zhang and X. F. Zhang, “Development in the Study of Man-Made Floating Culture Islands’ Carrie,” Environmental Science and Management, Vol. 5, 2007, pp. 85-87.

has been cited by the following article:

  • TITLE: Biomass Accumulation and Water Purification of Water Spinach Planted on Water Surface by Floating Beds for Treating Biogas Slurry

    AUTHORS: Xiaomei Yu, Zhaohua Li, Sha Zhao, Kun Li

    KEYWORDS: Floating-Bed; Water Spinach; Piggery Wastewater; Purification

    JOURNAL NAME: Journal of Environmental Protection, Vol.4 No.11, November 19, 2013

    ABSTRACT: To find a new way treating the wastewater from biogas reactors in a pig farm, vegetated floating bed was built for observing the water-purifying capability of water spinach (Ipomoea aquatic) planted on the water surface. Experiments were carried out to record the growth and biomass accumulation of water spinach and its effect on purification of biogas wastewater. The results show that the water which mixed with biogas wastewater has been purified significantly by water spinach on the floating bed. During its growth season within four months, the overall length of water spinach reached 199 ± 35 cm, while its root length reached 63 ± 28.6 cm. The average weight of individual fresh plant is of 1285 ± 619.7 g. Meanwhile, the concentration of total nitrogen (TN) in water under the floating bed decreased from 8.9 ± 0.062 mg·L-1 to 0.5 ± 0.011 mg·L-1; the concentration of total phosphorus (TP) decreased from 4.4 ± 0.236 mg·L-1 to 0.92 ± 0.024 mg·L-1; the concentration of chemical oxygen demand (COD) decreased from 87.3 ± 6.68 mg·L-1 to 0.74 ± 0.46 mg·L-1. It suggests that the water spinach removed more than 90% of pollutants in terms of TN, TP, and COD from the water. Results show that the vegetated floating bed technique is a feasible way to dispose the biogas slurry.