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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
The processing of stabilized sewage sludge by high-temperature slow pyrolysis and gasification
 Bičáková, Olga ; Čimová, Nikoleta ; Vöröš, Dominik ; Náhunková, Jana ; Řimnáčová, Daniela
One of the most challenging type of waste is sewage sludge, which is a heterogeneous suspension containing organic and inorganic substances and pathogenic organisms. This work focuses on an effective application method for the sewage sludge, which is usually deposited in landfills or co-incinerated in power plants. High temperature pyrolysis and gasification at 700–900 °C were applied to the samples of stabilized sewage sludge. The samples with a constant weight of 100 g were heated in a stationary bed, with the rate of batch heating being monitored. During the heating process, volatile products were released and the composition of the gaseous products developed during the heating was analyzed. Afterwards, the mass balance of the resulting products was evaluated. The elemental and textural analyses of the products were performed. Furthermore, it has been found that the solid residue has a porous texture and properties suitable for the removal and capture of pollutants. \n
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Application of a rotary kiln for the treatment of carbonaceous materials of the selective waste polymer and biomass type
 Kříž, Vlastimil ; Bičáková, Olga ; Náhunková, Jana
In the rotary kiln, samples of polypropylene and sawdust in model mixtures with bituminous-coal coke at a temperature of 900°C were pyrolyzed. The composition and features of the pyrolytic gas and solid product were observed.
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