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    Wyświetlanie 1-3 z 3
    Tytuł:
    Physicochemical and geotechnical properties of an ash-slag mixture deposited on a landfill in terms of its use in engineering
    Autorzy:
    Szwalec, A.
    Gruchot, A.
    Mundała, P.
    Zawisza, E
    Kędzior, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/184360.pdf
    Data publikacji:
    2017
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    ash-slag mixture
    reuse of coal combustion waste
    embankment
    shear strength reduction method
    Opis:
    Coal combustion ash-slag mixtures have been deposited in landfills in Poland for decades. At the same time, there is a shortfall in the amount of available materials related to the construction and modernisation of transportation infrastructure. Thus, a typical landfill of a power station was chosen and the aim of the study was to assess the suitability of an ash-slag landfill mixture for construction engineering purposes. The following physicochemical analyses were conducted: pH, specific electrical conductivity and determination of the leachability of basic (Ca, Na, K and Mg) and trace elements (Cd, Pb, Cr, Zn and Cu). The content of selected basic and trace elements were determined in the eluates by FAAS and standard methods were applied for geotechnical analyses. The most likely conditions were assumed to the model. The mixture will not jeopardize surface water quality in terms of the concentrations of basic, hazardous or priority elements. The content of these elements also does not exceed permissible concentrations for groundwater. The conductance and pH of the eluates are in compliance with current laws. The solid mixture has favourable geotechnical parameters which are significantly dependent on moisture content. The slope stability calculations for embankments created from the mixture at optimum moisture content and high compaction (Is ≥ 0.95) indicate that they will be stable even in the case of high gradients (1:1.5). The slopes will be unstable in conditions of submersion, which should not occur if we assume the embankment will be used for passive flood protection
    Źródło:
    Geology, Geophysics and Environment; 2017, 43, 2; 127-137
    2299-8004
    2353-0790
    Pojawia się w:
    Geology, Geophysics and Environment
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The impact of the combustion waste landfill of the Skawina Power Plant on selected elements of the agricultural production area
    Autorzy:
    Szwalec, A.
    Mundała, P.
    Kędzior, R
    Telk, M.
    Lasota, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/184501.pdf
    Data publikacji:
    2015
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    ash mixture
    slag mixture
    heavy metals
    meadow sward
    Opis:
    Field observations and interviews with residents of Kopanka, Ochodza and Borek Szlachecki villages indicate that the agricultural production area located near the combustion waste landfill is negatively affected. Two distinct phenomena are observed: increased dust concentration in the air and excessive soil moisture or even flooding. The aim of the study was to assess whether and to what degree the landfill affects the content of the trace elements Cd(II), Pb(II), Zn(II) and Cu in the soil and plants of the adjoining agricultural production areas. The content of Cd(II), Pb(II), Zn(II) and Cu in the soil of the studied area was within the acceptable norms specified in the regulation of the Ministry of the Environment (Dz. U. 2002 nr 165, poz. 1359). In the herbaceous vegetation growing at sampling points W150, E150, E100 and N100, the acceptable level of Cd(II) specified in the regulation of the Ministry of Agriculture and Rural Development exceeded the norms (Dz. U. 2012 poz. 203). In turn, all the plant samples Pb(II) showed acceptable levels. The content of Zn(II) and Cu in the plant material meets the criteria for fodder proposed by IUNG (Kabata-Pendias et al. 1993). The high phytoaccumulation indices for Cd(II) and Zn(II) in the plant material may be due to dust fall containing metals. However, without precise quantitative and qualitative measurements of dust fall, it is difficult to ascertain to what extent this is caused by migration from the landfill and to what extent it is a result of deposits of pollutants from other sources.
    Źródło:
    Geology, Geophysics and Environment; 2015, 41, 2; 199-206
    2299-8004
    2353-0790
    Pojawia się w:
    Geology, Geophysics and Environment
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Lead and iron contents in parsley being cultivated in the area of Chrzanów geochemical anomaly
    Autorzy:
    Mundała, P.
    Szwalec, A.
    Kędzior, R.
    Telk, M.
    Machaj, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/184541.pdf
    Data publikacji:
    2014
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    parsley
    geochemical anomaly
    food quality
    Opis:
    Selected research polygon is located in Trzebinia commune in the mid of the 80 km way from Kraków to Katowice (the Upper Silesia capital). The towns of Trzebinia, Chrzanów within the towns of Krzeszowice, Jaworzno, Mysłowice, have been creating a base of well-connected Kraków-Upper Silesia agglomeration. The inhabitants of Trzebinia commune are flexible on labour market, often commute to work in Kraków or Katowice. They have detached houses with gardens of one or two acres size, where "home-made", fresh, low-processed food could be produced. At the same time the area of Trzebinia Community belongs to Chrzanów geochemical anomaly, which is reflected in high values of cadmium, lead and zinc contents in the soils. This is the result of both natural and anthropogenic factors. The purpose of the paper was to evaluate lead and iron contents in roots and leaves of parsley being cultivated within the area of the anomaly. Considering, there is a positive geochemical anomaly, the lead contents in soil were low - the average value was 88.67 mg kg -1 d.m. and only two contents -218.98 and 119.35 exceeded 100 mg kg -1 d.m. On the other hand the lead contents in parsley roots were high, many times higher than the allowable values. The lead contents in parsley leaves were also high. Phytoaccumulation indices low, only one had the average value, but at their minimal range (1.02 and 10.3 adequately for leaves and roots). Translocation index of lead was close to one. The iron contents in soils were not high and fall within the scope of low and average ranges that occur in Polish soils. The iron contents in leaves were high, attractive from nutrition point of view.
    Źródło:
    Geology, Geophysics and Environment; 2014, 40, 4; 377-386
    2299-8004
    2353-0790
    Pojawia się w:
    Geology, Geophysics and Environment
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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