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    Wyświetlanie 1-2 z 2
    Tytuł:
    The Efficiency of Pollution Removal From Domestic Wastewater in Constructed Wetland Systems With Vertical Flow With Common Reed and Glyceria Maxima
    Autorzy:
    Dębska, A.
    Jóźwiakowski, K.
    Gizińska-Górna, M.
    Pytka, A.
    Marzec, M.
    Sosnowska, B.
    Pieńko, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/124123.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    constructed wetland
    vertical flow
    domestic wastewater
    common reed
    Glyceria maxima
    Opis:
    The paper presents the results of research on the effects of removing pollution from domestic wastewater in two beds of constructed wetland systems with vertical flow. Bed I was planted with common reed (Phragmites australis Cav. Trin. Ex Steud.), whereas bed II with Glyceria maxima (Glyceria aquatica L.). The surface of each of the beds amounted to 30 m2, and the hydraulic load of each of them amounted to 0.033 m3·m-2·d-1. The study showed very good results in the removal of most of the analyzed indicators of contamination, which were similar in both analyzed beds. They were, respectively: 91 and 93% – for total suspended solids, 96 and 98% – for BOD5, 96 and 94% – for CODCr, 88 and 86% – for ammonia nitrogen and 87 and 88% – for total phosphorus. Much smaller effects were reported with regard to total nitrogen removal – 55% in bed I with common reed and 54% in bed II with Glyceria maxima. The tested beds also eliminated the number of coliform bacteria and faecal coliform bacteria quite effectively. Average effects of the removal of coliform bacteria in bed I and II were 99.74%, in the case of faecal coliform 98.06% and 97.94% respectively. Values of basic indicators of contamination (total suspended solids, BOD5 and CODCr) in the wastewater discharged from the analyzed beds met the requirements of the Regulation of the Minister of the Environment of 2014. The test results obtained in the first year of operation of the analyzed beds show that neither of the applied plants significantly improves the results of contaminant removal.
    Źródło:
    Journal of Ecological Engineering; 2015, 16, 5; 110-118
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Ability of Leaves and Rhizomes of Aquatic Plants to Accumulate Macro- and Micronutrients
    Autorzy:
    Parzych, A. E.
    Cymer, M.
    Jonczak, J.
    Szymczyk, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/123566.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    bottom sediments
    Glyceria maxima
    Phragmites australis
    Phalaris arundinacea
    Typha latifolia
    accumulation of nutrients
    Opis:
    The samples of macrophytes and bottom sediments originated from the littoral zone of the Słupia River were collected in summer 2013. The aim of this study was to compare the properties of the accumulation of leaves and rhizomes of Glyceria maxima, Phragmites australis, Typha latifolia and Phalaris arundinacea for macro- and micronutrients. The largest quantities of macroelements were found in the leaves of the examined species, and microelements dominated the rhizomes of most examined macrophytes except for Mn in P.australis and T.latifolia. The obtained results show that N and K dominated in the leaves of P.arundinacea, P and Mg in the leaves of P.australis, and Ca in the leaves of G.maxima. The largest quantities of N, P and K were cumulated in the rhizomes of P.arundinacea, while Mg and Ca in the rhizome of T.latifolia. The leaves of aquatic plants accumulated from 1354.9 mmolc·kg-1 (T.latifolia) to 1844.0 mmolc·kg-1 (P.arundinacea), and rhizomes from 985.8 mmolc·kg-1 (G.maxima) to 1335.2 mmolc·kg-1 (P.arundinacea) of all the analyzed components. In these species of macrophytes lower accumulated value of the sum of macro- and microelements were found in the rhizomes. The share of nitrogen was 42.4–59.8% of this amount, phosphorus 4.3–8.6%, potassium 22.8–35.1%, calcium from 2,6% to 12.4%, magnesium 3.0–7.5%, and heavy metals were from 0.6% (G.maxima) to 1.2% (T.latifolia) in leaves and from 2.2% (T.latifolia) to 8.7% (G.maxima) in rhizomes.
    Źródło:
    Journal of Ecological Engineering; 2015, 16, 3; 198-205
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-2 z 2

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