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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Analysis of organic pollutants and micropollutants in landfill leachates
 Poslušná, Markéta ; Cajthaml, Tomáš (advisor) ; Innemanová, Petra (referee)
The stated aim of this thesis was the quantitative and qualitative analysis of relevant organic pollutants and micropollutants in Czech and Danish landfill leachate. Point sampling of liquid and solid samples (sediments) were taken from the landfill water sumps or from their vicinity. Sediments were collected only at Czech landfills. The Danish and Czech landfill leachate samples were compared with each other due to their different histories. Czech landfill leachate were found to contain higher concentrations of detected organic pollutants than in Denmark. The detected concentrations for the sum of 21 PFASs in the landfill leachate ranged from 956.5- 11 011.3 ng/l for the Czech landfill leachate samples. The measured concentrations of sum 14 PFAS ranged from 414.5 to 2 589.3 ng/l for the Danish landfill leachate samples. Concentrations in Czech landfill leachate for the sum of 24 PPCPs ranged from 131.3 to 27 471.4 ng/l. For the Danish samples, concentrations ranging from 122.6 to 12 351.5 ng/l (for the sum of 11 PPCPs) were measured. PCBs were analysed in both liquid and solid samples. In all liquid samples they were below the limit of quantification, therefore they were analysed in sediment from Czech landfills, where values from LOQ-20.9 mg/kg (sum of PCBs) were determined. This work represents...
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Haloacetic acids in drinking water
 Poslušná, Markéta ; Načeradská, Jana (advisor) ; Barešová, Magdalena (referee)
Chlorination byproduct occur during water disinfection. These by-product are formed by the reactions between disinfectants and natural organic matter. High concentration od natural organic matter require higher doses of oxidizing agent, which increases the formation of chlorination byproduct. Chlorination byproduct pose health risk so they must be eliminated. This work researches focuses on the occurence of chlorination byproduct in several countries and evaluates the suitability of limits concentrations. The literary research has shown that there are currently not many studies about monitoring the occurence of chlorination byproduct. If these studies exist, they are often old and therefore i tis not possible to rationally assess the quality of drinking water in term of the occurrence of chlorination byproduct. Trichloracetic acid, dichloracetit acid and dibromacetic acid are mainly important from the health point of view. The are identifield as possible carcinogens. Higher concentrations of dichloracetic acid and trichloracetic acid were observed in most studies. The result of the studies show that the highest concentration of haloacetic acid were recorded in the cities of Cherepovets (Rusia), Athens (Greece), Warsaw (Poland) and Findland. Concentrations of haloacetic acid did not exceed the limit...
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See also: similar author names
1 POSLUŠNÁ, Michaela
2 Poslušná, Michala
1 Poslušná, Monika
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