Thermogravimetric analysis of biomass and sub-bituminous coal
2018
Protić, Milan | Miltojević, Ana | Raos, Miomir | Đorđević, Amelija | Golubović, Tatjana | Vukadinović, Ana
Although, biomass has been utilized for energy purposes since ancient time, generating energy from biomass as a renewable energy source has become an imperative in recent years. In this paper thermogravimetric analysis of two materials, widely used for heating purposes, beech pellets and sub-bituminous coal, in a nitrogen atmosphere, at three different heating rates, was performed. TGA and DTG plots suggested that there are three different stages of weight loss during the pyrolysis of both samples: water and light volatiles pyrolysis, active pyrolysis and passive (high volatiles) pyrolysis. The temperature range of stages depended on the heating rate.The water and light volatile content were higher in the case of coal, while the weight loss in the zone of active pyrolysis was much higher for biomass sample than for the coal. Additionally, the pyrolytic residue was substantially greater in the case of coal sample as a consequence of high content of chemically bound carbon and mineral compounds. Obtained results can be used as input parameters for simulation studies as well as for design of different solid fuel thermochemical conversion (primarily gasification and combustion) units.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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