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- Title
Characterization of Slow Pyrolysis Biochars: Effects of Feed stocks and Pyrolysis Temperature on Biochar Properties.
- Authors
Kioss, Stefanie; Zehetner, Franz; Dellantonlo, Alex; Hamid, Raad; Ottner, Franz; Liedtke, Volker; Schwanninger, Manfred; Gerzabek, Martin H.; Soja, Gerhard
- Abstract
The article presents a study which investigates the formation of toxic compounds that stay in the biochars after pyrolysis. It examines biochars from three feedstocks, such as spruce wood, poplar wood and wheat straw, that were pyrolyzed slowly. The study conducted X-ray diffractometry, Fourier-transform infrared spectroscopy (FTIR) and differential scanning calorimetry (DSC) to attain information on the mineralogical composition and molecular characteristics of biochars. The results of FTIR and DSC proposed a loss of labile, alipathic compounds during the formation of aromatic constituents and during pyrolysis.
- Subjects
BIOCHAR; CHARCOAL; PYROLYSIS; FEEDSTOCK; SPRUCE; POPLARS; WHEAT straw; X-ray diffraction; FOURIER transform infrared spectroscopy; DIFFERENTIAL scanning calorimetry
- Publication
Journal of Environmental Quality, 2012, Vol 41, Issue 4, p990
- ISSN
0047-2425
- Publication type
Article
- DOI
10.2134/jeq2011.0070