2001
DOI: 10.1023/a:1010549224003
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Cited by 30 publications
(8 citation statements)
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“…The wide band at around 3420 cm −1 is associated with the level of inter-and intramolecular hydrogen bonding, while the peak at 2920 cm −1 with shoulder bands is assigned to aliphatic CH 2 and asymmetric and symmetric CH 3 , respectively. 30 The absorbance at 1735 cm −1 is attributed to the ester groups, the sign of p-coumaric acid (PCA), or ferulic acid (FA) esterified with lignin in the grass family. 30 After pretreatment, this peak disappeared in all samples, which implied that AHP pretreatment could break down esterified linkage in the lignocellulosic matrix.…”
Section: Energy and Fuelsmentioning
confidence: 99%
See 1 more Smart Citation
“…The wide band at around 3420 cm −1 is associated with the level of inter-and intramolecular hydrogen bonding, while the peak at 2920 cm −1 with shoulder bands is assigned to aliphatic CH 2 and asymmetric and symmetric CH 3 , respectively. 30 The absorbance at 1735 cm −1 is attributed to the ester groups, the sign of p-coumaric acid (PCA), or ferulic acid (FA) esterified with lignin in the grass family. 30 After pretreatment, this peak disappeared in all samples, which implied that AHP pretreatment could break down esterified linkage in the lignocellulosic matrix.…”
Section: Energy and Fuelsmentioning
confidence: 99%
“…30 The absorbance at 1735 cm −1 is attributed to the ester groups, the sign of p-coumaric acid (PCA), or ferulic acid (FA) esterified with lignin in the grass family. 30 After pretreatment, this peak disappeared in all samples, which implied that AHP pretreatment could break down esterified linkage in the lignocellulosic matrix. The strong absorption at 1640 cm −1 is usually related to water which comes from highly hydrophilic hemicelluloses.…”
Section: Energy and Fuelsmentioning
confidence: 99%
“…Two main associations of proteins are known to transform these compounds into acid-insoluble structures. The tannins and proteins in plant residues may become associated and remain in acid-insoluble residues [54]. However, as pyrolysis did not evidence any detectable tanninderived products in our samples, this is unlikely to explain the presence of proteins in the sludge residues.…”
Section: B7-ndf Pyrogrammentioning
confidence: 56%
“…The characteristic peaks of LGPS observed at 3060 and 3025 cm −1 can be assigned to the CH stretching vibration of benzene ring. Absorption at 1600 and 1450 cm −1 are ascribed to the stretching vibration of CC and CC bonds in the aromatic range, respectively . The strong absorption peaks at 760 and 699 cm −1 demonstrate the presence of monosubstituted aromatic nuclei which are attributed to the PS chains in the grafted materials …”
Section: Resultsmentioning
confidence: 97%