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Lead isotopic ratio determination in soils
Kotrč, Vlastislav ; Mihaljevič, Martin (advisor) ; Strnad, Ladislav (referee)
This barchelor thesis deals with the issue of lead in the environment, with its main focus being on describing the right analytical method for determining the isotopic composition of lead in soil. First part this thesis summarizes the most important characteristics and properties of lead. Next part is concerned with the methodology of collection and preparation of soil samples for the analysis itself. The thesis then contains detailed description of the analytical method, which is being currently the most used for determining the isotopic composition of soil - mass spectrometry with inductively coupled plasma. Since this is not a research thesis, in the fifth part, results of studies from the Příbram region are presented, alongside other possible uses of this method. Key words: lead isotopic composition, soils
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Lead isotopic ratio determination in soils
Kotrč, Vlastislav ; Mihaljevič, Martin (advisor) ; Strnad, Ladislav (referee)
This barchelor thesis deals with the issue of lead in the environment, with its main focus being on describing the right analytical method for determining the isotopic composition of lead in soil. First part this thesis summarizes the most important characteristics and properties of lead. Next part is concerned with the methodology of collection and preparation of soil samples for the analysis itself. The thesis then contains detailed description of the analytical method, which is being currently the most used for determining the isotopic composition of soil - mass spectrometry with inductively coupled plasma. Since this is not a research thesis, in the fifth part, results of studies from the Příbram region are presented, alongside other possible uses of this method. Key words: lead isotopic composition, soils
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Treatment of Liquid Phase of Digestate Enabling More Effective Utilization of Nutrients
Kotrč, Vlastislav ; Švehla, Pavel (advisor) ; Kulhánek, Martin (referee)
The present thesis focuses on theoretical evaluation of possible ways of processing liquid fraction of fermentation residue, allowing more efficient use of nutrients.
The introductory part is devoted to biogas, he described its origin, characteristics and possible uses. It is also characterized by a process of anaerobic fermentation and the factors influencing its course. The resulting products are energy-rich biogas and also mentioned fermentation residue. The fourth chapter describes the principle of operation of a biogas plant and a closer approach to the current situation in the Czech Republic and Europe. The main part deals with the rest of the so-called fermentation. Digestate and in particular its separate liquid component Liquid digestate containing a large amount of nutrients that can be effectively used with appropriate procedures. The final chapter is devoted to a description and critical evaluation of the methods of pre-treatment Liquid digestate.
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