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    Wyświetlanie 1-5 z 5
    Tytuł:
    Influence of post-sewage waters on relations between exchangeable cations in soils
    Autorzy:
    Dechnik, I
    Filipek, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/1449943.pdf
    Data publikacji:
    2001
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    post-sewage water
    relationship
    soil
    municipal waste
    cation
    biogenic component
    soil property
    eroded soil
    degraded ecosystem
    mechanical-biological treatment plant
    anthropogenic ecosystem
    sewage
    Opis:
    Research was carried out on the basis of investigations from the years 1996-1998 on the so-called monoliths in the soils derived from loess formations. Properties of those formations were differentiated by landscape and processes of water erosion. It was found out that post-sewage waters (waters received after sewage treatment) from a mechanical-biological sewage treatment plant have a more favourable influence on both the value of acidification indexes and relations between cations in the soils than solid mineral salts.
    Źródło:
    Acta Agrophysica; 2001, 51; 29-35
    1234-4125
    Pojawia się w:
    Acta Agrophysica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Przemiany azotanow w glebie [Eutric Histosol] nawadnianej sciekami miejskimi po II stopniu oczyszczania
    Transformation of nitrates in eutric histosol irrigated with municipal waste water after II step of purification
    Autorzy:
    Stepniewska, Z
    Pasztelan, M.
    Kotowska, U.
    Powiązania:
    https://bibliotekanauki.pl/articles/1630457.pdf
    Data publikacji:
    1999
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    gleby
    nawadnianie gleby
    roztwor glebowy
    filtry glebowe
    azotany
    scieki miejskie
    wody posciekowe
    oczyszczanie sciekow
    soil
    irrigation
    soil solution
    soil filter
    nitrate
    municipal sewage
    post-sewage water
    sewage treatment
    Opis:
    Badanie nad wykorzystaniem filtru glebowego do oczyszczania wód powiekowych zostały przeprowadzone na poletkach doświadczalnych z udziałem roślin w pobliżu oczyszczalni ścieków Hajdów koło Lublina. Pomiary rozkładu stężeń form azotu takich jak: NH4+, N03", N02‘ na wejściu ścieków oraz na różnych głębokościach filtru glebowego zostały przeprowadzone w czasie, po zastosowaniu nawodnień. Równolegle prowadzono pomiary stanu oksydoredukcyjnego gleby (Eh), na stałe zamontowanymi elektrodami. Praca zawiera wyniki zmian form azotu w roztworze glebowym w czasie nawodnień w funkcji Eh gleby, wykazując dodatnią korelację z azotanami (V) i ujemną z azotanami (III)
    Nitrate transformation in a soil (Eutric Histosol) irrigated with municipal waste waters after II step treatment. Investigations of efficiency of utilisation of soil as a waste water filter were performed on experimental fields (Eutric Histosol) with different plants located near waste water treatment plant at Hajdów near Lublin. Measurements of distribution profiles of such minerał nitrogen forms as N03> N02‘, and NH4+ were performed during and after periods of flood irrigation. Simultaneously distribution patterns of redox potential were recorded with permanently installed platinum electrodes. The changes of particular nitrogen forms on the background of redox potential distribution are presented and discussed. A negative correlation of N02‘ and a positive of N03' with redox potential was found.
    Źródło:
    Acta Agrophysica; 1999, 22; 211-217
    1234-4125
    Pojawia się w:
    Acta Agrophysica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Neo-Weberian State paradigm in the water and sewage sector in Poland
    Autorzy:
    Głuc, Krzysztof
    Powiązania:
    https://bibliotekanauki.pl/articles/904362.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Ekonomiczny w Krakowie, Małopolska Szkoła Administracji Publicznej
    Tematy:
    New Public Management
    Neo-Weberian State
    Public Governance
    post-NPM paradigms
    water and sewage sector
    Opis:
    Objectives: The main objective of this article is to investigate the current stage of the public management paradigm in the area of the water and sewage sector in Poland. Research Design & Methods: A thorough examination of the current stage of research of the post-New Public Management concepts is followed by empirical analysis of public management paradigms present in the water and sewage sector in Poland. The research hypothesis focuses on a shift from the NPM model towards other paradigms closer to Neo-Weberian State or a hybrid. Analysis of statistical data is supported by additional arguments related to recent publications and legal changes in the sector. Contribution/Value Added: This article is one of the first analyses of the applications of post-NPM paradigms in the water and sewage sector in Poland. A special emphasis is put on the discussion of NWS elements in the paradigm shift taking place in this sector. Implications/Recommendations: The results of the research conducted prove that the NPM model is still in place in the water and sewage sector in Poland, but gradually, in particular as a result of recent changes to legislation and the introduction of more centralised procedures, the NPM model is being supplemented by new elements that are clearly of a NWS origin. While it is visible that these paradigms co-exist at this point, it is necessary to continue research and thorough observations of the sector to investigate the future development of public management in this area.
    Źródło:
    Zarządzanie Publiczne / Public Governance; 2018, 4(46); 50-64
    1898-3529
    2658-1116
    Pojawia się w:
    Zarządzanie Publiczne / Public Governance
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Usuwanie fosforanów z wykorzystaniem osadów potechnologicznych pochodzących ze stacji uzdatniania wody
    Removal of Phosphates with Post-technological Sludge from Water Treatment Plant
    Autorzy:
    Totczyk, G.
    Klugiewicz, I.
    Pasela, R.
    Górski, Ł.
    Powiązania:
    https://bibliotekanauki.pl/articles/1818613.pdf
    Data publikacji:
    2015
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    osady z uzdatniania wody
    osady pokoagulacyjne zawierające glin
    defosfatacja
    TZB
    oczyszczalnia ścieków
    water processing sludge
    alumina water processing sludge
    dephosphatation
    RBC
    sewage treatment plant
    Opis:
    With the treatment of water, especially surface waters, there is produced a high amount of sewage and sludge. They make up a serious ecology problem that due to a high volume and the content of sludge of iron or aluminium oxide-hydroxide or, pollution which occur in the intaken water (mineral and organic substances, algae, protozoa and bacteria) as well as the chemicals added. The environmental protection requires limiting materials as well as it makes you search for effective waste management problem-solving methods. The waste generated at present during water treatment most often undergo dehydration and drying and then they are deposited at the landfill site. The currently binding environmental protection law makes you look for the possibilities of the use of sludge as recycled materials, e.g. in brick factories, cement factories or with sewage treatment. Sludge containing aluminium or iron can be used e.g. in the process of municipal sewage treatment. The application of sludge containing aluminium for dephosphatation has the advantage of protecting the system from secondary release of precipitated phosphates in the environment deprived of dissolved oxygen. The possibilities of sludge application to remove phosphates differ, depend not only on the sludge characteristics but also on the sewage treatment process. The article demonstrates the results of research into using sludge derived from water treatment station in Lubicz to remove phosphates from sewage. At present the sludge after sedimentation and mechanical dehydration with the filtration press finally reaches the municipal landfill site. The sludge, applied for research, concentrated in settling vessels, is a mixture of post-coagulation sludge and washings from anthracite-sand and carbon filters. Its hydration accounting for 98,7% shows a high colour, above 80 mg Pt/dm3, it contains about 2,6 g/dm3 of aluminium as well as organic compounds expressed with BOD5 value equal 170 mg O2/dm3. The sludge shows a high COD of 3990 mg O2/dm3, and organic substance – for 31,6% of dry weight. The study of effectiveness of the removal of phosphates was made with the vessel test method. The sludge was dispensed at a changing volume from 0,5 to 100 cm3 per 1 dm3 of prepared water and then sewage. Both in water and in sewage there was recorded a 90% removal of phosphates by applying 80 cm3 of sludge per 1 dm3 of the sample. Additionally there was investigated the effect of dispensed sludge on the effectiveness of sewage treatment with the model of the treatment plant with rotating biological contactors. Applying the rate of 40 cm3 of sludge per 1 dm3 produced 96,0% elimination of COD, 97,7% removal of organic compounds characterised with the values of COD and BOD5 as well as 100% removal of phosphates. Finally it was found that it is possible to use the sludge to remove phosphates from sludge. During dephosphatation there was reported no use-up of the natural alkalinity of sewage. Sludge dispensing did not result in a decrease in the effectiveness of sewage treatment with the method of rotating biological contactors. The research is preliminary in nature and it needs to be continued.
    Źródło:
    Rocznik Ochrona Środowiska; 2015, Tom 17, cz. 2; 1660-1673
    1506-218X
    Pojawia się w:
    Rocznik Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Badania mozliwosci biologicznego wykorzystania osadow pokoagulacyjnych Zakladow Uzdatniania Wody, zasobnych w glin
    Studies on the possibilities of biological utylization of coagulation sludges enriched in aluminium, from the Water Cleaning Company
    Autorzy:
    Szerszen, L
    Chodak, T.
    Karczewska, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/874790.pdf
    Data publikacji:
    1993
    Wydawca:
    Narodowy Instytut Zdrowia Publicznego. Państwowy Zakład Higieny
    Tematy:
    ochrona srodowiska
    wykorzystanie sciekow
    uzdatnianie wody
    osady pokoagulacyjne
    glin
    konferencje
    woda
    Warszawa konferencja
    environment protection
    sewage utilization
    water treatment
    post-coagulation sludge
    aluminium
    conference
    water
    Warsaw conference
    Źródło:
    Roczniki Państwowego Zakładu Higieny; 1993, 44, 1; 105-112
    0035-7715
    Pojawia się w:
    Roczniki Państwowego Zakładu Higieny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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