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    Wyświetlanie 1-5 z 5
    Tytuł:
    Wpływ eksploatacji i stanu technicznego sieci na jakość wody wodociągowej
    Influence of technical and operating conditions of the water distribution system on water quality
    Autorzy:
    Kuś, K.
    Gamrot, B.
    Malicka, K.
    Ścieranka, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/237728.pdf
    Data publikacji:
    2001
    Wydawca:
    Polskie Zrzeszenie Inżynierów i Techników Sanitarnych
    Tematy:
    zaopatrzenie w wodę
    eksploatacja sieci wodociągowej
    woda wodociągowa
    jakość wody
    Opis:
    The combined water supply system being under responsibility of the Upper Silesian Water Board (USWB) basically supplies water to the industry, agriculture and population of Upper Silesia. This is the largest system of that kind operated in Poland and is rather unique in Europe. Water is sold at more than 800 points to water companies, which deliver water to the users in different cities. The ever decreasing water consumption by individual households and industry observed in recent years has brought about a considerable extension of the hydraulic residence time and a deterioration of water quality. The technical condition of the water-pipe network, the hydraulic parameters and water quality variations were analyzed on the example of a water distribution network operated by a local water company that purchases water from the USWB. The objective of the study was to assess the material and age of the pipes, residence time, flow velocity, pressure, as well as the physicochemical and bacteriological parameters at the points of purchase and other characteristic points along the network. Consideration was also given to the frequency of pipe failure and the resulting water loss. A clear definition of the factors that contribute to episodic or long-term deterioration of water quality made it possible to suggest some preventive measures (which had partly been implemented) to maintain or re-establish the desired quality of the water.
    Źródło:
    Ochrona Środowiska; 2001, 3; 17-20
    1230-6169
    Pojawia się w:
    Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zmiany zużycia wody w miastach polskiech w latach 1987-1998
    Variations in the amount of municipal water used in the time span of 1987-1998
    Autorzy:
    Roman, M.
    Kłoss-Trębaczkiewicz, H.
    Osuch-Pajdzińska, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/237700.pdf
    Data publikacji:
    2001
    Wydawca:
    Polskie Zrzeszenie Inżynierów i Techników Sanitarnych
    Tematy:
    miasta polskie
    zaopatrzenie w wodę
    woda wodociągowa
    zużycie wody
    dane statystyczne
    Opis:
    Over 100 of Poland's towns were investigated for the use of water and relevant variations in the past decade. The total amount of water which is used in those towns accounts for approximately 60% of the total water amount used for industrial and municipal purposes all over the country. Relevant data sets were processed so as to show the unit use in a respective town, as well as the rate of decrement in water use in the past decade. Analysis of variations in the use of water from municipal supply in the time span of 1987-1998 revealed a decrement in unit use, which varied from one town to another, but in the majority of them was greater than 30%. These data evidence that the continuing increase in water consumption observed in the post-war period has been inhibited, and that in the past decade there has been a noticeable decrease in the use of water. This finding substantiates the need of verifying the previously predicted quantities of water use in Poland's towns. Because of the lack of adequate data for assessing the duration of the new trends in municipal water consumption, it is necessary to adopt the principle of continuous analysis of annual water use in Poland's towns and continuous verification of the available forecasts. Having such data is a prerequisite for the development and modernization of municipal water supply systems, as well as for establishing adequate service charges.
    Źródło:
    Ochrona Środowiska; 2001, 3; 3-6
    1230-6169
    Pojawia się w:
    Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zmiana oceny jakości wody do picia w świetle poprzednio i obecnie obowiązujących przepisów
    Assessment of drinking water quality in terms of former and present regulations in Poland
    Autorzy:
    Wichrowska, B.
    Kozłowski, J.
    Ranke-Rybicka, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/237554.pdf
    Data publikacji:
    2002
    Wydawca:
    Polskie Zrzeszenie Inżynierów i Techników Sanitarnych
    Tematy:
    woda pitna
    jakość wody pitnej
    zaopatrzenie w wodę
    zanieczyszczenia wód
    normatywy
    Opis:
    The quality of the water supplied to the user is generally claimed to be poor. Making use of the results obtained in 2000, a comparative assessment of drinking water quality was carried out in terms of former and present national regulations. It was found that the evaluated number of users exposed to excessive concentrations of ammonia, arsenic, b(a)p, trichloromethane, aluminium, cadmium, nitrates, chlorides and fluorides was the same, irrespective of whether the previous or the present water quality regulations were taken into account. However, when water quality was assessed in terms of recent regulations, the exposure to excessive concentration of iron and manganese became twice as high, to coloured matter 2.5 times as high, to turbidity 5 times as high, and to lead 70 times as high as when use was made of the former regulations. Excessive lead concentrations were detected predominantly in groundwater, which is generally regarded as being safe. On the basis of the results obtained, the following geneneralisations can be made: To reduce health hazards, it is necessary to implement advanced water treatment technologies. On the other hand, unlike the common belief, in 90% of instances the quality of drinking water supplied to the users is good, irrespective of whether assessed in previous or recent regulations.
    Źródło:
    Ochrona Środowiska; 2002, 1; 13-16
    1230-6169
    Pojawia się w:
    Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ochrona systemu zaopatrzenia Rzeszowa w wodę do picia
    Protecting the water supply system for the municipality of Rzeszów against pollution
    Autorzy:
    Rak, J.
    Piątkiewicz, H.
    Wieczysty, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/237041.pdf
    Data publikacji:
    2000
    Wydawca:
    Polskie Zrzeszenie Inżynierów i Techników Sanitarnych
    Tematy:
    Rzeszów
    rzeka Wisłok
    gospodarka wodno-ściekowa
    woda pitna
    zaopatrzenie w wodę
    jakość wody pitnej
    kontrola wody pitnej
    Opis:
    The paper includes a brief characterization of the municipal water supply system (distributing treated riverine water), which serves the city of Rzeszów (150 thousand inhabitants). Making use of the results of physicochemical analyses (carried out on raw water samples from the Wisłok river), a joint project was established with the aim to upgrade the quality of potable and municipal water. The project is executed by MPWiK (Municipal Water-Supply and Sewerage Services). The measures taken under this project include the following: (1) development of the treatment train (coagulation, rapid filtration, disinfection) which is in use now by introducing preozonation and ozonation + filtration on GAC beds (during pollution episodes GAC will be replaced with pulverized carbon), (2) establishment of protection zones for water intakes, and (3) water quality monitoring. The paper also specifies the operating principles for early, warning systems, as well as presents the schedule of water, analysis in the intake profile and in the water supply system.
    Źródło:
    Ochrona Środowiska; 2000, 1; 39-40
    1230-6169
    Pojawia się w:
    Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Quality assurance in the technology process of water treatment
    Autorzy:
    Ingaldi, M.
    Jagusiak-Kocik, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/114869.pdf
    Data publikacji:
    2014
    Wydawca:
    Stowarzyszenie Menedżerów Jakości i Produkcji
    Tematy:
    drinking water
    water treatment processes
    water supply
    production process depicted technologically
    Ishikawa diagram
    woda pitna
    uzdatnianie wody
    zaopatrzenie w wodę
    przedsiębiorstwo wodociągowe
    zarządzanie jakością
    Opis:
    The chapter presents basic information about drinking water. Briefly water treatment processes have been characterized. We analyzed the water company. One of the water intakes of water treatment by the method of biological denitrification and its disinfection by ozonation, the pump station and treatment plant located in the province of Silesia. Process of water treatment for human consumption depicted technologically was presented. The identification of the problem of failure of water supply based on Ishikawa diagram was made. Key words: drinking water, water treatment processes, water supply, production process depicted technologically, Ishikawa diagram was made.
    Źródło:
    Zeszyty Naukowe. Quality. Production. Improvement; 2014, 1 (1); 35-44
    2544-2813
    Pojawia się w:
    Zeszyty Naukowe. Quality. Production. Improvement
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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