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Thermogravimetric analysis on mixtures of biomass and its char
Pages: 1060-1065
Year: Issue:  7
Journal: Rural Energy

Keyword:  biomass charbiomassthermogravimetric analysismixing ratio;
Abstract: The combustion properties of the wood biomass and the mixtures mixed with its carbocoal(wood content are 0,20%,50%,80% and 100%) are studied in air by thermogravimetry,and dynamic analysis on the experimental data. Results showed that as the wood content increases,the initial reaction, violent reaction and the terminated reaction temperature decreases,the maximum weight loss rate and mean reactivity increases. The experimental conversion rates of the mixtures are greater than the calculated results in the same time,revealing that a synergistic effect is exist between the components to accelerating the reaction,and the effect comes more obvious as the wood content increasing. The weightlessness process of mixtures with 0 and 20% wood content can be reasonable matched using a dynamic equation,but the remaining need to be piecewise matched.
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