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In this study, the effects of particle aspect ratio (length/diameter) of a wood cylinder on pyrolysis and gasification characteristics were experimentally investigated. X-ray computed tomography was used to visualize the structure of char with different aspect ratios. Small and uniform pores were observed near the surface, whereas the size and shape of majority of the middle pores were large and random...
An experimental study was performed to investigate pyrolysis products, char morphology, and reactivity of char derived from large wood cylinders. Wood samples with various sizes (i.e. sawdust with particle size <1mm and wood cylinders with a diameter of 8mm) were pyrolyzed under an argon atmosphere to produce char samples using a thermobalance. The final pyrolysis temperature was 1173K and the...
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