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National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Photoactivity of water suspensions of titanium and tungsten oxides
 Mastný, L. ; Šaněk, F. ; Brožek, Vlastimil
Generator of water-stabilised plasma WSP® may be used for the thermal disposal of organic substances for which the dwell time of 5 ms maximum at 30,000 K is sufficient to ensure their destruction. Apart from high temperature, the device generates also highly intensive UV radiation and radiation with wavelengths of around 660 nm (Hα) and 490 nm (Hβ). Radiation in this part of spectra allows for the activation of not only photocatalysts based on TiO2 but also of other semi conductive oxides with narrower forbidden band, such as tungsten oxides. Their photoactivity was observed using a model decomposition of organic substances in water suspensions. A series of experiments were initiated on the disposal of industrial toxic and explosive waste debris, such as sodium picraminate.
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Thermal Plasma Assisted Gasification of Polymers
 Sforza, T. ; Charlier, C. ; Hrabovský, Milan ; Chumak, Oleksiy
Gasification of various hydrocarbons with help of thermal plasma is studied at the Institute of Plasma Physics. Such treatment can be way of recycling of polymer waste with production of high purity synthesis gas (syngas) mainly composed of hydrogen and CO. A plasma torch with hybrid stabilization of arc used in the reactor allows higher efficiency for gasification than other processes. This work is preparation of the experiment for gasification of PET. Basic description and analysis of the gasification reactor is done. Analysis of reaction taking place is made. On the base of derived information optimal composition flow rates and power balance of the process is calculated.
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Utilization of emission emitted by water stabilized plasma for disposal of water soluble organic compounds
 Brožek, Vlastimil ; Hlína, Michal ; Hrabovský, Milan
Survey of plasma generators suitable for the disposal of organic pollutants in water solutions or in gas-faze. More detailed information about WSP® plasma torch for organic compounds disposal in its cathode part and consequently also the utilization of emitted emission for photocatalytic disposal of water suspenses.
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