midinfrared ft-ir as a tool for monitoring herbaceous biomass composition and its conversion to furfural
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2015
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Abstract
A semiquantitative analysis by means of midinfrared FT-IR spectroscopy was tuned for the simultaneous determination of cellulose, hemicellulose, and lignin in industrial crops such as giant reed (Arundo donax L.) and switchgrass (Panicum virgatum L.). Ternary mixtures of pure cellulose, hemicellulose, and lignin were prepared and a direct correlation area/concentration was achieved for cellulose and lignin, whereas indirect correlations were found for hemicellulose quantification. Good correspondences between the values derived from our model and those reported in the literature or obtained according to the official Van Soest method were ascertained. Average contents of 40–45% of cellulose, 20–25% of hemicellulose, and 20–25% of lignin were obtained for different samples of giant reed species. In the case of switchgrass, a content of 36% of cellulose, 28% of hemicellulose, and 26% of lignin was achieved. This analysis was also carried out on giant reed and switchgrass residues after a mild hydrolysis step carried out with dilute hydrochloric acid for the production of furfural with good yield. Reasonable compositional data were obtained, thus allowing an indirect monitoring which helps the optimization of the hydrothermal pretreatment for furfural production from hemicellulose fractions.
| Reference Key |
galletti2015journalmidinfrared
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|---|---|
| Authors | ;Anna Maria Raspolli Galletti;Aldo D’Alessio;Domenico Licursi;Claudia Antonetti;Giorgio Valentini;Alessandro Galia;Nicoletta Nassi o Di Nasso |
| Journal | acs nano |
| Year | 2015 |
| DOI |
10.1155/2015/719042
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