ASSIMILATION POTENTIAL OF DUCKWEED AND PROSPECTS OF ITS USE IN RAS WATER TREATMENT

Authors

  • Y. R. Нrokhovska National University of Water and Environmental Engineering
  • S. V. Konontsev National University of Water and Environmental Engineering

Keywords:

biological water treatment, RAS, macroelements removal

Abstract

Distribution features of duckweed species (Alismatales: Araceae: Lemnoideae) on the site of polluted small Ustya river (Goryn River basin)  were investigated. Phytomass content of nitrogen, phosphorus and heavy metals was determined. Use of duckweed to remove biogenic elements from recycled water in RAS was grounded.

Author Biographies

Y. R. Нrokhovska, National University of Water and Environmental Engineering

Doctor of Agricultural Sciences

S. V. Konontsev, National University of Water and Environmental Engineering

Candidate of Engineering (Ph.D.), Associate Professor

References

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Эinor L. O. Makrofytы v эkolohyy vodoima. M. : YVP RAN, 1992. 256 s.

Redding T., Todd S., Midlen A. The treatment of aquaculture wastewaters – a botanical approach.

Journal of Environmental Management. 1997. Vol. 50. P. 283–299.

Skillicorn P., Spira W., Journey W. Duckweed aquaculture: a new aquatic farming system for developing countries. A World Bank Publication, International Bank for Reconstruction and Development. Washington : DC, 1993. 76 p.

Fasakin E. A., Balogun A. M., Fasuru B. E. Use of duckweed, Spirodela polyrrhiza L. Schleiden, as a protein feedstuff in practical diets for tilapia, Oreochromis niloticus L. Aquaculture Research. 1999. Vol. 30(5). P. 313–318.

Leng R. A., Stambolie J. H., Bell R. Duckweed – a potential high-protein feed resource for domestic animals and fish. Livestock Research for Rural Development. 1995. Vol. 7. URL: Available at: http://www.fao.org/ag/aga/agap/frg/lrrd/lrrd7/1/3.htm (data zvernennia: 10.11.2018).

HOST 30178-96. Atomno-absorbtsyonnыi metod opredelenyia toksychnыkh эlementov. M. : Yzdatelstvo standartov, 1998. 7 s

Published

2018-04-26

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