Study on chemical oxidation of heat treated lignocellulosic biomass under oxygen exposure by STA-DSC-FTIR analysis
作者： K. Candelier , J. Dibdiakova , G. Volle , P. Rousset
DOI: 10.1016/J.TCA.2016.10.008
关键词:
摘要: Abstract Heat treatment helps enhance some properties of raw biomass by improving its decay resistance, dimensional stability, increasing energy density and reducing transport costs biomass. During storage period, many industrial sites undergo fires caused self-ignition torrefied or carbonized The main objective this work was to study the chemical behavior heat treated wood under oxygen exposure. Softwood hardwood species have been thermally a nitrogen atmosphere at different conditions intensities. Sample mass flow measured during process observe temperature, time air influence on reaction mechanisms wood. oxidation flux evaluated in addition. Results showed that flows used for were correlated with temperature thermal degradation both examined species, as well loss, respectively. However, (beech) seems be more sensitive than softwood (silver fir) species. In addition, differential scanning calorimetry exothermic peak gain observed fact, phenomenon pronounced carried out high temperatures times it tends elemental composition evolved products identified water (H 2 O), carbon monoxide (CO) dioxide (CO ).
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