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Wyszukujesz frazę "mixing of waters" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
Wody lecznicze regionu sudeckiego : wybrane problemy
Mineral waters of the Sudetic region (SW Poland) : selected problems
Autorzy:
Ciężkowski, W.
Kiełczawa, B.
Liber-Makowska, E.
Przylibski, T.
Żak, S.
Powiązania:
https://bibliotekanauki.pl/articles/2075535.pdf
Data publikacji:
2016
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
wody mineralne
wody lecznicze
wody termalne
wody radonowe
mieszanie wód
region sudecki
mineral waters
medicinal waters
thermal waters
radon waters
mixing of waters
Sudetic region
Opis:
Mineralized waters used for medical treatment are common in the Sudetes. Due to reservoir rock types and the depth of groundwater circulation, two main types of groundwater deposits are distinguished. These are fissure deposits, the most often present in granites and gneisses, andfissure-porous deposits present first of all in sandstones. The main types of mineralized groundwater are CO2-rich waters, containing up to 99.5% of CO2 as the primary gas component, thermal waters characterized by the temperatures up to 87°C, which classifies these waters as the warmest in Poland, as well as radon waters, containing the highest activity concentrations of 222Rn, reaching above 2,000 Bq/dm3. All these groundwater types are infiltration waters. Discharge rates of the intakes in the Sudetes changes with time, which is influenced by changes in atmospheric parameters. The time of reaction is similar for all the intakes in the same hydrogeological structure. The process of mixing between the highly-mineralized, deep-circulation groundwater component and the shallow-circulation, low-mineralized component is intensely studied. Another problem is the presence of CO2 in the amount exceeding its solubility in the water. Juvenile CO2 flows from the deep crust through tectonic discontinuities, where it dissolves in groundwater, forming CO2-oversaturated waters, as well as itforms gas anomalies in soil air. CO2 concentrations may reach in soils more than 60 vol.%, and the flux of this gas reaches even 66 g/m2/d. Radon dissolves in groundwater in the zone of its out flow, where reservoir rocks are densely cracked, weathered, and cut by tectonic faults. The hydrogeochemical background of 222Rn in groundwater of the Sudetes is between 4 and 306 Bq/dm3.
Źródło:
Przegląd Geologiczny; 2016, 64, 9; 671--682
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Determination of Mixing Zones for Wastewater With Receiver Waters
Autorzy:
Skorbiłowicz, M.
Skorbiłowicz, E.
Wójtowicz, P.
Zamojska, E.
Powiązania:
https://bibliotekanauki.pl/articles/123741.pdf
Data publikacji:
2017
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
distance of complete mixing
surface waters
wastewater discharge
Opis:
Discharges from wastewater treatment are among the key sources of pollution, if norms included in the applied legal acts are exceeded. In determining the impact of these objects on water environment it is often assumed that complete mixing wastewater with surface water is in the point or close to the discharge. In fact, the complete mixing of waste water in a short distance from the discharge occurs incidentally depending on the type of sewage receiver. The size and type of specific sewage receiver determines the conditions of self-purification. Complete mixing zone has a huge impact on the intensity of self-purification processes. Therefore, the possibility to determine the size zone of complete mixing of the waste water from the water receiver is important. The issue involves a series of methods, the most computational, which more or less allows to evaluate the distance of mixing waste water. advection, turbulent and molecular diffusion affect mixing wastewater with surface waters. The article discusses the factors influencing the mixing process and the impact of mixing on the self-purification surface waters. The aim of the article is a review of several methods for determining the distance of the segment mix completely discharged wastewater, with regard to the location of their discharge.
Źródło:
Journal of Ecological Engineering; 2017, 18, 4; 192-198
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zmienność parametrów chemicznych i izotopowych wody z odwiertu Franciszek w Wysowej-Zdroju
Variability of chemical and isotopic parameters of water from the Franciszek borehole in the Wysowa-Zdrój
Autorzy:
Duliński, M.
Demska-Sięka, P.
Rajchel, L.
Gorczyca, Z.
Powiązania:
https://bibliotekanauki.pl/articles/2075597.pdf
Data publikacji:
2017
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Wysowa-Zdrój
mieszanie wód
mineralizacja wody
stabilne izotopy
mixing of waters
water mineralization
stable isotopes
Opis:
Mixing of two water components and simultaneous contact with geogenic carbon dioxide are the characteristic features of waterfrom the Franciszek borehole in the Wysowa-Zdrój. During the last 45 years a systematic, slow decrease of water mineralization of this borehole has been observed. This may be due to several reasons: i) increased contribution of the infiltration component in the total inflow to the well, ii) gradual decrease of mineralization of diagenetic water or, iii) local changes of gaseous, geogenic carbon dioxide within the reservoir. Results of chemical and stable isotope measurements from the timespan of 42 years are discussed in the paper. The PHREEQC code was used in the analysis of chemical data and in the numerical simulation ofpossible processes leading to the observed changes in the water mineralization. Results of chemical calculations and stable isotope data are consistent and prove that decrease of water mineralization in the Franciszek borehole is caused by increased contribution of water of infiltration origin.
Źródło:
Przegląd Geologiczny; 2017, 65, 11/1; 951--955
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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