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Wyszukujesz frazę "Water and wastewater management" wg kryterium: Wszystkie pola

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    Wyświetlanie 1-3 z 3
    Tytuł:
    Zrównoważone gospodarowanie ściekami na przykładzie obszarów wiejskich
    Sustainable Sewage Management in Rural Areas
    Autorzy:
    Obarska-Pempkowiak, H.
    Kołecka, K.
    Gajewska, M.
    Wojciechowska, E.
    Ostojski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1818174.pdf
    Data publikacji:
    2015
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    oczyszczanie ścieków
    oczyszczalnie hydrofitowe
    gospodarka wodno-ściekowa
    sanitacja
    zagospodarowanie osadów ściekowych
    wastewater treatment
    constructed wetlands
    water and wastewater management
    sanitation
    sewage sludge management
    Opis:
    The Baltic Sea is highly susceptible to eutrophication. Among the nine countries located in the Baltic Sea catchment area Poland discharges the biggest load of nitrogen and phosphorus. Although in recent years this load has been significantly reduced, however it is still too high. No sustainable municipal management results in the decreasing water quality of the Baltic Sea contributing to the sea eutrophication. The implementation of the National Programme for Development of Sewage caused a number of activities related to the construction and modernization of existing wastewater treatment plants. Although the number of wastewater treatment plants has been constantly increasing, still a number of households do not have the possibility to connect to the municipal wastewater treatment plant, mainly for economic reasons. Although in Poland there is 3157 municipal wastewater treatment plants (the most in Central and Eastern Europe), only 64% of the population is connected to them. It is estimated that 7.64 million people do not have the possibility of connection to municipal wastewater treatment plants. One of the solutions to wastewater management, especially in non-urbanized areas, are on-site wastewater treatment plants, for example treatment wetland systems. These technologies provide a sustainable solution of sewage and sludge management, since they can be used not only for treatment of wastewater, but also for dewatering and stabilization of produced sewage sludge. The article presents the results of research on local constructed wetlands for biological wastewater treatment (from 15 to 750 inhabitants) located in Darżlubie, Wieszyno, Wiklino, Sarbsk and Schodno as well as individual treatment wetlands representing 9 on-site wastewater treatment plants built in three different configurations in the municipality of Stężyca. There are also results of research from sludge treatment reed beds used for dewatering and stabilization of sewage sludge from municipal wastewater treatment plants located in Denmark (Helsinge, Rudkobing, Nakskov, Vallo) and in Poland (Gniewino). Based on studies related to the latest examples of wastewater and sewage sludge management using treatment wetlands it has been shown that this method is a good example of ecological engineering. Local treatment wetland systems can be used as the second stage of wastewater treatment up to 3500 residents. With proper operation of primary tanks, these systems are characterized by high treatment efficiency. Treatment wetland systems can work as on-site wastewater treatment plants. The highest efficiency of pollutant removal was observed in the hybrid systems. Another facilities, constructed as reed beds or basins, are applied to effective dewatering and stabilization of sewage sludge. These facilities offer a sustainable solution of sludge management in local conditions.
    Źródło:
    Rocznik Ochrona Środowiska; 2015, Tom 17, cz. 1; 585-602
    1506-218X
    Pojawia się w:
    Rocznik Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ocena wybranych elementów gospodarki wodno-ściekowej i obciążenia użytków rolnych makroelementami ze ścieków bytowych w wybranych gospodarstwach Wielkopolski
    Assessment of Selected Elements of Water and Sewage Management and Load of Farmlands with Macroelements from Domestic Sewage in Selected Farms of Wielkopolska
    Autorzy:
    Kupiec, J. M.
    Oliskiewicz-Krzywicka, A.
    Stachowski, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/1818616.pdf
    Data publikacji:
    2015
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    ścieki bytowo-gospodarcze
    rolnicze zagospodarowanie ścieków
    biogeny w ściekach
    domestic and production sawage
    agricultural sewage management
    nutrients in the wastewater
    Opis:
    The aim of this study was to evaluate selected elements of the management of domestic and production sewage and an estimate of amount of macroelements NPK in domestic sewage, used on fields in selected farms of Wielkopolska voivodeship. The main sources of data were special designed questionnaires taken in selected farms. The data were combined with information obtained in The Agricultural Advisory Center in Poznań and communities and included the period 2004−2010. The study area was covered by eight communities situated in the central part of Wielkopolska region - Borek Wielkopolski, Dolsk, Gostyń, Jarocin, Koźmin Wielkopolski, Krzywiń, Piaski and Śrem. 72 conventional farms, diversified in terms of their size, specialization, crop and animal production were also chosen. The examined farms were subjected to detailed characterization in terms of their sphere of production. Domestic wastewater management, using the method of preparation of silage, and the degree of risk to the environment due to the risk of leakage into the soil silage juice were analyzed. Content of nitrogen, phosphorus and potassium in samples taken from 16 different farms was analyzed. Quantity of nutrients in domestic wastewater and which could be possibly applied to the field were calculated. The study shows that 83% of the analyzed farms had access to water supply. Due to the lack of proper infrastructure and the possibility of alternative wastewater management and disposal of domestic waste, farmers often applied sewage directly into the fields. 49% of produced sewage is poured directly into the fields. None of the 16 domestic sewage samples meets permitted standards for nitrogen concentration. Only one because of phosphorus and 11 due to potassium the predetermined limits of nutrient concentration in domestic sewage introduce into the soil or water does not exceed. On average with wastewater farmers brought in the agricultural land 12 kg of N, 3 kg of P2O5 and 16 kg of K2O per 1 ha. The problem there is also the method of preparation silage piles. As many as 56% of farmers prepares piles directly on the ground, without isolation, with the risk of penetration of pollutants into groundwater and surface water.
    Źródło:
    Rocznik Ochrona Środowiska; 2015, Tom 17, cz. 2; 1017-1033
    1506-218X
    Pojawia się w:
    Rocznik Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ niewłaściwej gospodarki ściekowej i rolnej na stan fizykochemiczny wód jeziora Głęboczek kilka lat po rekultywacji
    Impact of Improper Agricultural and Wastewater Management on Physicochemical State of Głęboczek Lake Water Several Years after Reclamation
    Autorzy:
    Berleć, K.
    Traczykowski, A.
    Budzińska, K.
    Szejniuk, B.
    Michalska, M.
    Jurek, A.
    Guścior, A.
    Majewska, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1818610.pdf
    Data publikacji:
    2015
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    rekultywacja jezior
    jakość wód
    substancje biogenne
    lake restoration
    quality of water
    nutrients
    Opis:
    Bodies of water are very sensitive to environmental changes and play an important role in nutrient cycle in their catchment. Due to their natural features such as reduction of the land fill, they may cumulate organic matter from the catchment. Excess supply of nutrients to water bodies contributes to gradual water eutrophication. This process can occur rapidly, particularly in shallow lakes, which are more susceptible to degradation. This also results in deterioration of habitat conditions for many organisms and limits the economic use of water. Eutrophication may lead to gradual shallowing and shrinkage of water bodies, and, consequently, to disappearance of lakes. Thus, proper diagnosis and reduction in the amount of pollutants flowing into lakes are key factors to improve water quality and prevent their further degradation. Lake Głęboczek, like many other urban lakes year were powered by sewage. As a result, the tank has ceased to be an attractive element of urbanized land, and became the object of nuisance for residents, often acting health risks. For this reason, the lake has undergone numerous Głęboczek reclamation treatment and protection. The object of this study was rehabilitated water from the lake Głęboczek in Tuchola. Samples were taken 12-fold in 3 places during the period from March 2011 to February 2012. In the tested water was determined by the colorimetric method phosphorus, phosphate, nitrogen, nitrate, nitrite, and aluminum. Additionally, the pH and temperature. Lake Głęboczek is a reservoir, which is heavily influenced by human activities, direct and indirect. This is due to the central location of the water, the entire drainage area is densely populated and intensively exploited for agricultural purposes. One of the most important elements harboring an increase in trophic status of the lake, is its low average depth. In addition to the lake Głęboczek not affect any river, which prevents water exchange and causes the accumulation of pollutants. Both the results of their own and other authors suggest that the degree of eutrophication of the lake Głęboczek apparently decreased. The level of biogenic elements and their compounds was higher than the results obtained in 2001 (after restoration), which may indicate improper sewage and agricultural economy in the catchment of the lake. Oversize nutrient content indicate a renewed increase in trophic lake.
    Źródło:
    Rocznik Ochrona Środowiska; 2015, Tom 17, cz. 2; 1449-1462
    1506-218X
    Pojawia się w:
    Rocznik Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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