2018
DOI: 10.1016/j.indcrop.2017.10.059
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Thermal stability, degradation kinetics, and molecular weight of organosolv lignins from Pinus radiata

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Cited by 35 publications
(16 citation statements)
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“…In this work, both M w and M n values were higher than those reported in the literature. However, the size of lignin fragments was more homogeneous, since dispersity indices were much lower than the values determined by other authors 17, 23, 24. A comparison of results in the literature is not easy due to the diversity of precipitation conditions (e.g., acid used and pH), analytical parameters, cooking process (e.g., Kraft, soda, or organosolv), sample pretreatment (e.g., direct dissolution or acetylation), and nature of the samples (plant species) 17.…”
Section: Resultscontrasting
confidence: 57%
“…In this work, both M w and M n values were higher than those reported in the literature. However, the size of lignin fragments was more homogeneous, since dispersity indices were much lower than the values determined by other authors 17, 23, 24. A comparison of results in the literature is not easy due to the diversity of precipitation conditions (e.g., acid used and pH), analytical parameters, cooking process (e.g., Kraft, soda, or organosolv), sample pretreatment (e.g., direct dissolution or acetylation), and nature of the samples (plant species) 17.…”
Section: Resultscontrasting
confidence: 57%
“…These results show the hemicellulosic fraction of P. radiata wood, solubilized during organosolv process, remains in black liquors after the recovery of lignin, carried out via precipitation in our previous work [56]. This stream with hemicellulose from lignocellulosic materials has shown its potential to be valorized in several applications [21,50,52].…”
Section: Black Liquor Compositionsupporting
confidence: 59%
“…Xylose (X), galactose (Ga), and mannose (M) were quantified as a single compound. The lignin dissolved in the black liquors was recovered by acid precipitation and characterized in a previous work [56].…”
Section: Black Liquor Compositional Analysismentioning
confidence: 99%
“…Da silva et al, reported the kinetic mechanism of Pinus elliottii and calculated an average Ea of 145.24 kJ/mol [10]. Domínguez et al reported Ea values for pyrolysis of Pinus radiata residues in the range of 117.7-135.5 kJ/mol [70]. As can be seen there are some differences in the Ea values obtained in this investigation, however, it should be noted that the results for the apparent activation energy reflect contributions from various stages where reactions occur that contribute to changing the speed of the overall reaction process.…”
Section: Kinetic Analysismentioning
confidence: 99%