Opportunity to Apply Thermal Decomposition of Spruce Bark after Extractives Recovery
Journal Title: BULETINUL INSTITUTULUI POLITEHNIC DIN IASI, CHIMIE SI INGINERIE CHIMICA - Year 2017, Vol 63, Issue 3
Abstract
The work explores the possibility to use the thermal decomposition of spruce bark (Picea Abies) in a second biorefinery flow sheet. Spruce bark was characterised and humidity, ash, hemicelluloses, cellulose and lignin content were determined. For the recovery of extractives two procedures were applied: the biomass was extracted with toluene-ethanol mixture using a conventional extraction and a 70% ethanol solution was used in an ultrasound assisted extraction process. In both cases the solid waste was subjected to pyrolysis conducted at 550°C under relatively low heating rate of 10°C/min. The aqueous phase was analysed by GC-MS. Similarities and some differences are highlighted by the GC-chromatograms and NP-gram characterisation, depending on the extraction procedures applied.
Authors and Affiliations
OANA ALEXANDRA PĂTRĂUŢANU, MIHAI BREBU, VALENTIN POPA, Irina Volf
Keywords
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