期刊
BIORESOURCE TECHNOLOGY
卷 200, 期 -, 页码 680-690出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2015.10.086
关键词
Residues; Biomass; Pyrolysis; Bio-oil; Comprehensive two-dimensional gas; chromatography
资金
- National Council for Scientific and Technological Development (CNPq, Conselho Nacional de Desenvolvimento Cientifico e Tecnologico)
- Brazilian Federal Agency for Support and Evaluation of Graduate Education (CAPES, Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior) [CNPq 305176/2012-9]
Bio-oils were produced through intermediate (IP) and fast pyrolysis (FP), using Eucalyptus sp. (hardwood) and Picea abies (softwood), wood wastes produced in large scale in Pulp and Paper industries. Characterization of these bio-oils was made using GC/qMS and GC x GC/TOFMS. The use of GC x GC provided a broader characterization of bio-oils and it allowed tracing potential markers of hardwood bio-oil, such as dimethoxy-phenols, which might co-elute in 1D-GC. Catalytic FP increased the percentage of aromatic hydrocarbons in P. abies bio-oil, indicating its potential for fuel production. However, the presence of polyaromatic hydrocarbons (PAH) draws attention to the need of a proper management of pyrolysis process in order to avoid the production of toxic compounds and also to the importance of GC x GC/TOFMS use to avoid co-elutions and consequent inaccuracies related to identification and quantification associated with GC/qMS. Ketones and phenols were the major bio-oil compounds and they might be applied to polymer production. (C) 2015 Elsevier Ltd. All rights reserved.
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