National Repository of Grey Literature 31 records found  previous11 - 20nextend  jump to record: Search took 0.00 seconds. 
Fuel-energy Properties of Stabilized Sewage Sludge
Pohořelý, Michael ; Durda, Tomáš ; Moško, Jaroslav ; Šyc, Michal ; Kameníková, Petra ; Zach, Boleslav ; Svoboda, Karel ; Hartman, Miloslav ; Beňo, Z. ; Parschová, H. ; Houdková, L. ; Punčochář, Miroslav
The paper summarizes significant fuel-energy and physico-chemical properties of stabilized sewage sludge. Sewage sludge as a fuel is characterized by high proportions of water content, volatile matter content, ash content and a considerable amount of reactive, organic nitrogen (2-5 wt. % of dry matter). In addition to oxygen; silicon, phosphorus, aluminum, iron and calcium are the most abundant elements in the ash from the sludge. The lower calorific value of dry, anaerobically stabilized sewage sludge is 9-12 MJ kg-1 and it corresponds to a low calorific value of lower-class subbituminous coal or lignite.
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Plný tet: SKMBT_C22015033110190 - Download fulltextPDF
Fluidized-bed Incineration of Contaminated Biomass – Final Report
Durda, Tomáš ; Pohořelý, Michael ; Šyc, Michal ; Svoboda, Karel ; Kameníková, Petra ; Krček, Martin ; Tošnarová, Markéta ; Moško, Jaroslav ; Punčochář, Miroslav
In the report, it has been shown how to effectively burn pretreated cornstalks in the fluidized-bed reactor with a stationary bubbling bed in the presence of a significant proportion of potassium.
Fyzikálně-chemické vlastnosti alternativních paliv – část biopaliva
Pohořelý, Michael ; Šyc, Michal ; Skoblia, S. ; Kameníková, Petra ; Jeremiáš, Michal ; Beňo, Z. ; Durda, Tomáš ; Zach, Boleslav ; Svoboda, Karel ; Punčochář, Miroslav
In the lecture, there are summarized significant fuel-energy and physical-chemical properties of woody and agricultural biomass.
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Plný tet: SKMBT_C22015010810320 - Download fulltextPDF
Co-combustion of Coal and Rubber Granulate in a Fluidized Bed
Pohořelý, Michael ; Šyc, Michal ; Krček, Martin ; Durda, Tomáš ; Kameníková, Petra ; Tošnarová, Markéta
The main aim of the study was to carry out test of the co-combustion of the coal supplied by Alpiq Generation (CZ), s.r.o. and the granules of rubber supplied by PATREM PIPE TECHNOLOGIES, s.r.o. in a fluidized bed of the ash supplied also by Alpiq Generation (CZ), s.r.o., provided that the blended fuel mixture contains at least 10 % by weight of the rubber granules.
Influence of Oxygen Partial Pressure in the Combustion Atmosphere on the Emissions and Efficiency of the Fluidized-Bed Incineration of Corn Straw
Durda, Tomáš ; Pohořelý, Michael ; Šyc, Michal ; Svoboda, Karel ; Kameníková, Petra ; Jeremiáš, Michal ; Punčochář, Miroslav
This experimental study is focused on the corn straw incineration in a bubbling fluidized-bed reactor. The aim of this study is to compare the influence of oxygen partial pressure in the combustion atmosphere on the efficiency of the combustion process, and the emissions of undesirable pollutants (CO, NOx, SO2, N2O, and dust). The efficiency of the combustion process is compared on the basis of chemical unburned carbon (concentration of CO in the exhaust gas) and mechanical unburned particles (content of carbon in the solid form).
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Plný tet: SKMBT_C22014112015520 - Download fulltextPDF
Contaminated Corn Straw Incineration by Air Enriched with Oxygen in a Fluidized Bed
Durda, Tomáš ; Pohořelý, Michael ; Šyc, Michal ; Kameníková, Petra ; Svoboda, Karel ; Jeremiáš, Michal ; Punčochář, Miroslav
Main objective of this paper was to investigate the influence of the material of the fluidized bed and replacement of the combustion air for the oxygen enriched air on the efficiency of the process, the major individual emissions of pollutants and the distribution of heavy metals.
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Plný tet: SKMBT_C22014092610410 - Download fulltextPDF
Gas Cleaning for High Temperature Fuel Cells with Solid Electrolyte
Pohořelý, Michael ; Svoboda, Karel ; Skoblia, Sergej ; Jeremiáš, Michal ; Kameníková, Petra ; Šyc, Michal ; Parschová, H. ; Cabáková, G. ; Šustr, V. ; Durda, Tomáš ; Beňo, Z. ; Punčochář, Miroslav
The aim of this paper is to introduce readers (listeners) to the basics of gasification process, high temperature fuel cells with solid electrolyte and particularly with the problems of high-temperature gas cleaning system of the producer gas from gasification of woody and agricultural biomass and/or alternative fuels (e.g. refuse derived fuel) to the level needed for its use in combined production of heat and electric power in high-temperature fuel cells with solid electrolyte (SOFC).
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Plný tet: SKMBT_C22014092610401 - Download fulltextPDF
High Temperature Gas Cleaning for SOFC
Pohořelý, Michael ; Svoboda, Karel ; Skoblia, S. ; Jeremiáš, Michal ; Šyc, Michal ; Kameníková, Petra ; Parschová, H. ; Cabáková, G. ; Šustr, V. ; Durda, Tomáš ; Beňo, Z. ; Punčochář, Miroslav
The aim of this paper is to introduce readers (listeners) to the basics of gasification process, high temperature fuel cells with solid electrolyte and particularly with the problems of high-temperature gas cleaning system of the producer gas from gasification of woody and agricultural biomass and/or alternative fuels (e.g. refuse derived fuel) to the level needed for its use in combined production of heat and electric power in high-temperature fuel cells with solid electrolyte (SOFC).
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Plný tet: SKMBT_C22014091514570 - Download fulltextPDF
Influence of Oxygen Partial Pressure in the Combustion Atmosphere on the Efficiency, Emissions, and Distribution of Heavy Metals in the Fluidized Bed Incineration of Corn Straw
Durda, Tomáš ; Pohořelý, Michael ; Šyc, Michal ; Svoboda, Karel ; Kameníková, Petra ; Jeremiáš, Michal ; Punčochář, Miroslav
This experimental study is focused on the corn straw incineration in a bubbling fluidized-bed reactor. The aim of this study is to compare the influence of oxygen partial pressure in the combustion atmosphere (air, oxygen-enriched air, pure oxygen ‒ oxy-fuel process) on the efficiency of the combustion process, the emissions of undesirable pollutants (CO, NOx, SO2, N2O, and dust) and distribution of heavy metals between individual output streams (bed ash, cyclone ash, and fly ash). The efficiency of the combustion process is compared on the basis of chemical unburned carbon (concentration of CO in the exhaust gas) and mechanical unburned particles (content of carbon in the solid form).
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Plný tet: SKMBT_C22014091514571 - Download fulltextPDF

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