Studying the ash behaviour of agricultural residues using thermal analysis

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 lea...

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Bibliographic Details
Published in:Journal of thermal analysis and calorimetry 2003, Vol.72 (3), p.1019-1030
Main Authors: ARVELAKIS, S, GEHRMANN, H, BECKMANN, M, KOUKIOS, E. G
Format: Article
Language:English
Subjects:
Agricultural wastes
Agriculture, rearing and food industries wastes
Applied sciences
Ashes
Biomass
Calorific value
Chemical composition
Cotton gins
Differential thermal analysis
Exact sciences and technology
Fractionation
Leaching
Pollution
Pretreatment
Residues
Thermodynamic properties
Volatile compounds
Wastes
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Summary: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.
ISSN:1388-6150
1588-2926
DOI:10.1023/A:1025099005866