Combustion of coal together with a relative small percentage of waste alternative fuel (WAF) may be a choice for the management of these wastes. Co-combustion coal and their blends of 5%, 10% and 50% (wt.%) with waste alternative fuel were tested in a thermogravimetric analyser (TGA) in the temperature range from ambient to 1000 o C under the heating rate of 10 o C min-1. Combustion characteristics such as volatile release, ignition and burnout were also studied for the fuel blends. The method of direct non-linear regression was used for calculation of apparent kinetic parameters of oxidation processes from thermogravimetric (TG) curves. The coal oxidation is the first-order reaction. The study has been conducted aiming at widening the spectrum of fuels utilised by cocombustion. Abstrakt Spalování uhlí s relativně malým procentem alternativního paliva představuje možnost pro nákládání s těmito odpady. Spoluspalování uhlí a jejich směsí 5%, 10% a 50% (hm%) s alternativním palivem bylo hodnoceno termogravimetrickým analyzátorem v teplotním rozsahu do 1,000 o C a rychlosti ohřevu 10 o C min-1. Spalovací charakteristiky jako těkání, vznícení a zapálení byly také studovány u směsí paliva. Pomocí metody přímé nelineární regrese (PNR) byly stanoveny formální kinetické parametry (aktivační energie, frekvenční faktor) oxidace z TG křivek pro řád reakce roven jedné. Studie byla provedena za účelem rozšíření spektra paliv pro spoluspalování.
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