Studying the ash behaviour of agricultural residues using thermal analysis |
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Authors: | Arvelakis S Gehrmann H Beckmann M Koukios E G |
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Institution: | 1.Bioresource Technology Unit, Laboratory of Organic and Environmental Technologies Department of Chemical Engineering, National Technical University of Athens Zografou Campus, Athens, Greece, 15700 ;2.Clausthaler Umwelttechnik Institut GmbH, Clausthal-Zellerfeld, Germany ;3.Department of Process Engineering and Environment, Bauhaus Universitat, Weimar Coudray Stra?e 13C, D-99423, Weimar, Germany ; |
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Abstract: | In this paper, the ash behaviour of some typical Mediterranean agricultural residues, such as peach stones, cotton gin wastes
and grape residues is studied via simultaneous, (DTA/TG), thermal analysis methods. Furthermore, the effect of various pre-treatment
techniques, such as fractionation and leaching, on the ash behaviour of the specific residues is also studied. Fractionation
improves some of the main biomass properties such as calorific value, volatiles and ash content but deteriorates significantly
the ash chemical composition of the remaining ash fraction. Leaching improves both the main properties of the treated biomass
samples and the chemical composition of the remaining ash fraction, while the combination of the two pre-treatment methods
results in a merge of their main advantages leading to an even larger improvement of the ash thermal behaviour.
This revised version was published online in July 2006 with corrections to the Cover Date. |
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Keywords: | DTA agricultural residues fractionation leaching TG ash |
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