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Wyszukujesz frazę "water treatment plants" wg kryterium: Temat

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    Wyświetlanie 1-6 z 6
    Tytuł:
    Improving the operation of the full scale wastewater treatment plant with use of a complex activated sludge model
    Autorzy:
    Liwarska-Bizukojc, E.
    Biernacki, R.
    Gendaszewska, D.
    Ledakowicz, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/207994.pdf
    Data publikacji:
    2013
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    activated sludge
    effluents
    wastewater treatment
    water treatment plants
    biological waste water treatment
    wastewater treatment plants
    osad czynny
    ścieki
    stacje uzdatniania wody
    biologiczne oczyszczanie ścieków
    oczyszczalnie ścieków
    Opis:
    A complex activated sludge model implemented in BioWin software has been implemented to assure its predictability and improve the effectiveness of biological wastewater treatment in the full-scale plant in Poland. The influence of temperature and sludge retention time (SRT) on the quality of the effluent was also studied. The calibration was successfully performed according to the Good Modelling Practice Unified (GMP) protocol. Five parameters at a steady state and ten under dynamic conditions were calibrated. It occurred that in the studied wastewater treatment plant SRT should be kept at the low level sufficient to sustain nitrification.
    Źródło:
    Environment Protection Engineering; 2013, 39, 1; 183-195
    0324-8828
    Pojawia się w:
    Environment Protection Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Dewatering of conditioned sludge in small wastewater treatment plants
    Autorzy:
    Wolny, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/207409.pdf
    Data publikacji:
    2015
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    wastewater treatment
    dewatering
    filtration
    polyelectrolytes
    sewage sludge
    sewage treatment
    sewage treatment plants
    water treatment plants
    municipal wastewater treatment plants
    wastewater treatment plants
    oczyszczanie ścieków
    odwadnianie
    filtrowanie
    polielektrolity
    osady ściekowe
    oczyszczalnie ścieków komunalnych
    oczyszczalnie ścieków
    Opis:
    Parameters characterizing the dewatering process of sewage sludge in small wastewater treatment plants (WWTPs) have been analyzed. Two municipal wastewater treatment plants of comparable capacity and similar technology of sewage treatment were selected to the analysis. Comparison of dewaterability of unprepared and conditioned sludge was made. During preliminary tests, the capillary suction time (CST) of sludge conditioned with cationic polyelectrolyte was determined. Next, for the optimal doses of selected polyelectrolyte, more detailed technological experiments were conducted such as vacuum filtration and susceptibility to the gravitational thickening. Tested sludge had very low susceptibility to thickening. The final volume of unprepared tested samples after 2 hour thickening was 977.0 cm3, while the initial volume of thickened sludge was 1000 cm3.The lowest value of final hydration for conditioned sludge was 64.0%.
    Źródło:
    Environment Protection Engineering; 2015, 41, 2; 99-105
    0324-8828
    Pojawia się w:
    Environment Protection Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Agricultural use of wastewater sludge from various sources with special emphasis on total and DTPA-extractable heavy metal content
    Autorzy:
    Aşik, B. B.
    Aydinalp, C.
    Şagban, F. O. T.
    Katkat, A. V.
    Powiązania:
    https://bibliotekanauki.pl/articles/206890.pdf
    Data publikacji:
    2016
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    heavy metals
    sewage sludge
    sequential extraction
    water treatment plants
    metale ciężkie
    osady ściekowe
    DTRA
    składniki odżywcze
    przemysłowe uzdatnianie wody
    Opis:
    This study was conducted to evaluate wastewater sludge from various sources for agricultural utilization. The results showed that sludge from municipal and food industrial wastewater treatment plants (WWTPs) have high fertilizing value with respect to nutrients and organic matter levels. When the sludge samples were evaluated for their total heavy metal contents, the Pb, Cd and Cu concentrations in all of the sludge samples were found to be below the limit specified by Turkish regulations. However, the Cr, Ni and Zn contents of domestic type, organized industrial zone, food industry sludge samples exceeded these thresholds. Other sludges were found to be suitable for agricultural usage in terms of plant nutrient and heavy metal content. The analysis of the sludge samples from twelve different WWTP’s showed that the agricultural properties and the total and bioavailable (DTPA-extractable) heavy metal fraction varies depending on the sludge samples. Therefore discussed sludges should be evaluated separately for the agricultural utilization potential in terms of soil pollution.
    Źródło:
    Environment Protection Engineering; 2016, 42, 1; 45-58
    0324-8828
    Pojawia się w:
    Environment Protection Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The impact of the sewer system rinsing on the wastewater composition
    Autorzy:
    Sadecka, Z.
    Płuciennik-Koropczuk, E.
    Myszograj, S.
    Suchowska-Kisielewicz, M.
    Jakubaszek, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/207804.pdf
    Data publikacji:
    2013
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    sewers
    pollution
    sewage
    sewage pumping plants
    water treatment plants
    biological reactor
    sewage pollutions
    wastewater treatment plants
    kanalizacja
    ścieki
    przepompownie ścieków
    stacje uzdatniania wody
    reaktor biologiczny
    zanieczyszczenia ścieków
    oczyszczalnie ścieków
    Opis:
    The paper presents the results of research on the influence of the operational rinsing of a sewer system on the composition of raw sewage, the effectiveness of the operation of the mechanical part of a wastewater treatment plant and changes in the technological parameters of the biological reactor. The results of the research have shown an increase in sewage pollution during the rinsing of the sewer system. The value of the COD indicator increased from 799 to 1306 mg/dm3, BOD5 from 538 to 1044 mg/dm3, and total suspended solids from 259 to 1508 mg/dm3. The calculations indicate that an increase in the concentrations of pollution during the rinsing of the sewer system requires a high working efficiency of the mechanical part of the wastewater treatment plant. With a low efficiency the volume of the biological reactor can increase even by 30%.
    Źródło:
    Environment Protection Engineering; 2013, 39, 2; 5-13
    0324-8828
    Pojawia się w:
    Environment Protection Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    General characteristics of the quantity and quality of sewage sludge from selected wastewater treatment plants in the Świętokrzyskie Province
    Autorzy:
    Gawdzik, J.
    Długosz, J.
    Urbaniak, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/207262.pdf
    Data publikacji:
    2015
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    wastewater treatment
    heavy metals
    sewage pumping plants
    sewage sludge
    sewage treatment plants
    toxicity
    water treatment plants
    total nitrogen
    total phosphorous
    total phosphorus
    oczyszczanie ścieków
    metale ciężkie
    pompownia ścieków
    osady ściekowe
    oczyszczalnie ścieków
    toksyczność
    stałe substancje organiczne
    azot całkowity
    fosfor całkowity
    Opis:
    Five wastewater treatment plants from the Świętokrzyskie Province have been briefly described, and a general analysis of the composition and quantity of sewage sludge from the data objects has been conducted. The paper also presents various ways of management of sewage sludge. The authors analyzed sediments from the wastewater treatment plant for PE in the range of 15 000–99 999 located in Ostrowiec, Opatów, Starachowice, Skarżysko-Kamienna, and in Sandomierz. The sludge was characterized in terms of its quantity and quality, the content of heavy metals, total nitrogen, total phosphorous, and organic solids.
    Źródło:
    Environment Protection Engineering; 2015, 41, 2; 107-117
    0324-8828
    Pojawia się w:
    Environment Protection Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Energy and sustainability of operation of a wastewater treatment plant
    Autorzy:
    Bodík, I.
    Kubaská, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/208254.pdf
    Data publikacji:
    2013
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    wastewater treatment
    biogas
    energy utilization
    sewage pumping plant
    sludge digestion
    toxicity
    water treatment plants
    anaerobic sludge digestion
    energy consumption
    wastewater treatment plants
    oczyszczanie ścieków
    biogaz
    wykorzystanie energii
    przepompownie ścieków
    fermentacja osadów
    toksyczność
    stacje uzdatniania wody
    fermentacja beztlenowa osadów
    zużycie energii
    oczyszczalnie ścieków
    Opis:
    The study summarises the energy consumption data obtained from the Slovak wastewater treatment plants. Overall, 51 large WWTPs using mesophilic anaerobic sludge digestion and biogas utilisation (the total capacity of 2.5 mil. p.e.) and 17 small rural WWTPs (the total capacity 15 000 p.e.) were compared in many technological and energy parameters. The average energy consumption in large WWTPs in Slovakia is 0.485 kWh/m3 and 0.915 kWh/m3 in small rural plants. The average energy demand related to BOD5 load represents the value of 2.27 kWh/kg BOD5, in Slovak plants. The specific energy production is relatively low - in average 1.2 kWh el /m3 of produced biogas and 0.1 kWh el /m 3 of treated wastewater, respectively. The average energy autarky in Slovak plants is 25.2%. Some plants have high energy autarky (>65%), despite no external biowastes being dosed to these during operation.
    Źródło:
    Environment Protection Engineering; 2013, 39, 2; 15-24
    0324-8828
    Pojawia się w:
    Environment Protection Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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