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Thick wood particle pyrolysis in an oxidative atmosphere

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Apr 2015 France Publisher:Elsevier BVJournal:Chemical Engineering Science, volume 126, pages 608-615 (issn: 0009-2509,

Authors: Daouk, Elias; Steene, Laurent,; Paviet, Frederic; Salvador, Sylvain;

doi: 10.1016/j.ces.2015.01.017

Thick wood particle pyrolysis in an oxidative atmosphere

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Abstract

Oxidative pyrolysis of pine wood particles was analysed thermo-gravimetrically. The effects of the concentration of oxygen in the surrounding gas and of particle size were investigated. Three different oxygen concentrations (0%, 10% and 20% v/v) and three different sized cylindrical pine wood samples (4 mm, 8 mm and 12 mm in diameter and 15 mm long) were tested. Two types of Macro-TG apparatuses were used; the first was non isothermal and was used at a heating rate of 20 degrees C/min, and the second was isothermal used at two temperatures, 400 degrees C and 600 degrees C. In the low heating rate non isothermal apparatus, results showed that oxygen had a strong influence on pyrolysis behaviour, but particle size did not. In the high heating rate isothermal apparatus, particle size had a significant influence on conversion: transfer phenomena limit oxidative pyrolysis.

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Keywords

K50 - Technologie des produits forestiers, Oxygène, Particule de bois, Concentration, Gazéification, P06 - Sources d'énergie renouvelable, Particle, Bois, [CHIM.GENI]Chemical Sciences/Chemical engineering, [SPI.GPROC]Engineering Sciences [physics]/Chemical and Process Engineering, Thermo-gravimetric analysis, Oxydation, [ CHIM.GENI ] Chemical Sciences/Chemical engineering, Oxidative pyrolysis, 600, [ SPI.GPROC ] Engineering Sciences [physics]/Chemical and Process Engineering, 540, Pinus, Température, Wood, 620, Pyrolyse, Dimension, agrovoc: agrovoc:c_34000, agrovoc: agrovoc:c_7657, agrovoc: agrovoc:c_5477, agrovoc: agrovoc:c_8423, agrovoc: agrovoc:c_2283, agrovoc: agrovoc:c_8421, agrovoc: agrovoc:c_5890, agrovoc: agrovoc:c_5472, agrovoc: agrovoc:c_26874, agrovoc: agrovoc:c_3081, agrovoc: agrovoc:c_1801

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	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 10%