期刊
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
卷 60, 期 1, 页码 41-54出版社
ELSEVIER
DOI: 10.1016/S0165-2370(00)00110-8
关键词
pyrolytic lignin; lignin; fast pyrolysis; bio oil
Pyrolytic lignins have been obtained from pyrolysis oil as fine homogeneous powder by a novel precipitation method. The paper presents results obtained for various pyrolytic lignins of pyrolysis oils from different fast pyrolysis processes. They were subjected to various physico-chemical characterization methods. Analysis methods comprise chromatography, spectroscopy and wet chemical techniques. FTIR data indicate that a changing oxygen content mainly effects the intensity of carbonyl absorption bands. Therefore, FTIR analysis is valuable as a fast analytical method to elucidate aging processes of pyrolysis oil. Analytical pyrolysis combined with GC/MS, FTIR data, and results of functional group analysis show pyrolytic lignin to be similar to technical lignins. (C) 2001 Elsevier Science B.V. All rights reserved.
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