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    Wyświetlanie 1-4 z 4
    Tytuł:
    Comparative analysis of selected wastewater treatment plants
    Autorzy:
    Nowakowska, Anita
    Powiązania:
    https://bibliotekanauki.pl/articles/1177394.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    biological wastewater treatment plant
    mechanical-biological wastewater treatment plant
    wastewater
    wastewater management
    Opis:
    The article presents the classification of wastewater treatment plants and indicates the types of processes occurring during wastewater treatment. The purpose of the article is to get acquainted with the functioning as well as technical and economic differences of biological and mechanical-biological wastewater treatment plant. The author also made a comparative analysis containing a list of wastewater treatment efficiency in the presented treatment plants, as well as compared economic aspects necessary for the operation of these treatment plants.
    Źródło:
    World Scientific News; 2018, 104; 359-374
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    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:
    The effect of heavy precipitation on the infiltration and inflow into small sewage treatment plants in 2010
    Autorzy:
    Kaczor, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/60233.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    heavy rainfall
    infiltration
    inflow
    small sewage treatment plant
    sewage treatment plant
    sewer system
    weather
    treatment plant
    Malopolska voivodship
    Krakow city
    mechanical treatment plant
    biological treatment plant
    modernization
    Opis:
    The aim of the study was to determine the extent to which heavy rainfall, that occurred in 2010, affected the infiltration into the selected sewage treatment plants in the Małopolskie voivodeship. The research was conducted in four separate sewer systems, located in poviats adjacent to the city of Kraków, discharging sewage to mechanical-biological treatment plants with a capacity below 1000 m3•d-1. The amount of sewage and extraneous water in the average wet year (2008) were used as control. As a result of heavy precipitation in 2010 the sewer system A received 18 539 m3 more extraneous water than in 2008 (increase by 343%), the sewer sys-tem B - 22 822 m3 (increase by 163%), the sewer system C - 109 715 m3 (increase by 248%) and the sewer system D - 30 796 m3 (increase by 303%). Heavy precipitation in 2010 caused the increase of infiltration and inflow by 264% on average in all studied sewer systems compared to the average wet year. As the result of precipitation, whose annual total in 2010 was higher by 65% than the normal value in 2008, there was an increase in the annual share of extraneous water from 5.3 to 19.7% depending on the facility. The volume of extraneous water, which was discharged into the studied treatment plants in 2010 (the period of heavy rainfall), constituted the following share of the annual value: in the sewer system A - 41.3%, in the sewer system B - 21.2%, in the sewer system C - 14.4%, in the sewer system D - 22.9%. Assuming the average gross amount of 3 PLN paid for treatment of 1 m3 of sewage, cost of extraneous water disposal in 2010 amounted from 78 533 PLN to 552 165 PLN, depending on the facility. The results obtained in the present study suggest that eliminating or reducing infiltration and inflow into the analyzed sewer systems would allow for large financial savings associated with reducing costs both for their transport and treatment as well as for modernization of facilities to enhance their hydraulic eapacity.
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2011, 12
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pollutants Removal Efficiency in The Hydroponic Lagoon of The Wastewater Treatment Plant
    Autorzy:
    Jakubaszek, Anita
    Powiązania:
    https://bibliotekanauki.pl/articles/27314840.pdf
    Data publikacji:
    2022
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    wastewater treatment plant
    wastewater treatment
    hydroponic lagoon
    mechanical-biological wastewater
    oczyszczalnia ścieków
    oczyszczanie ścieków
    laguna hydroponiczna
    oczyszczanie mechaniczno-biologiczne
    Opis:
    Wastewater treatment in semi-natural systems, such as a hydroponic lagoon operating as the third stage of treatment, is becoming more and more popular because of the efficiency of organic matter and nutrient removal. The article presents an analysis of the efficiency of pollutant removal at the mechanical-biological wastewater treatment plant in Gronów with a capacity of Qd = 1125m3/day and a load of 9375 PE. The wastewater treatment plant operates on the basis of activated sludge and biomass settling technology on submerged flow beds. The treatment plant is characterized by a very high variability of wastewater inflow during the year due to periodic inflow of wastewater from tourist resorts in Łagów. The average efficiency of removing pollutants from wastewater was: BOD5 - 98.5%, COD - 92.8%, total suspended solids - 93.2%, total nitrogen - 86.1% and total phosphorus - 69.5%. The study showed that the use of a hydroponic lagoon in the technological system improved the efficiency of wastewater treatment by 1.7% for BOD5, 0.9% - COD, total suspended solids by 4.3%, 6.4% for total nitrogen and total phosphorus - 3.3%.
    Źródło:
    Civil and Environmental Engineering Reports; 2022, 32, 4; 293--305
    2080-5187
    2450-8594
    Pojawia się w:
    Civil and Environmental Engineering Reports
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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