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European Journal of Wood and Wood Products

Erschienen in:

27.10.2016 | Original

Thermal studies of wood impregnated with ZnCl₂

verfasst von: Nestor Tancredi, Mauricio Gabús, María I. Yoshida, Andrés Cuña Suárez

Erschienen in: European Journal of Wood and Wood Products | Ausgabe 4/2017

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Abstract

In this work the thermal behavior of wood impregnated with ZnCl₂ is studied. Impregnation of wood with ZnCl₂ is a treatment used in activated carbon production, and liquefaction and fast pyrolysis of biomass. Frequently, the impregnated wood is dried for several hours at temperatures above 370 K and then it is carbonized. Catalytic pyrolysis occurs, giving rise to a complex set of reactions. A TG/DTA study was done on the raw material, the activated carbon, the pure ZnCl₂ and the intermediate products in order to study the mass and thermal changes occurring. Elemental analysis and SEM analysis were also carried out. An exothermic torrefaction develops during the drying step; the torrefied product is carbonized in an endothermic process that involves ZnCl₂ volatilization. The washed impregnated wood carbonizes through an exothermic process that may involve the decomposition of cellulose, lignin and the solid product of hemicellulose torrefaction.

Vorheriger Artikel The biosorptive effect of untreated and chemically modified fir cone powder on Pb(II) removal

Nächster Artikel Market potentials for timber-concrete composites in Germany’s building construction sector

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Titel: Thermal studies of wood impregnated with ZnCl2
verfasst von: Nestor Tancredi
Mauricio Gabús
María I. Yoshida
Andrés Cuña Suárez
Publikationsdatum: 27.10.2016
Verlag: Springer Berlin Heidelberg
Erschienen in: European Journal of Wood and Wood Products / Ausgabe 4/2017
Print ISSN: 0018-3768
Elektronische ISSN: 1436-736X
DOI: https://doi.org/10.1007/s00107-016-1113-3

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