期刊
ENERGIES
卷 12, 期 13, 页码 -出版社
MDPI
DOI: 10.3390/en12132497
关键词
lignocellulosic components; feedstock analysis; near-infrared spectroscopy; olive tree pruning
资金
- Ministerio de Economia y Competitividad (MINECO) (Spain) [ENE2011-29112-C02-01, ENE2011-29112-C02-02]
- FEDER funds
- AEI/UE [EN2017-85819-C2-2-R]
The determination of chemical composition of lignocellulose biomass by wet chemistry analysis is labor-intensive, expensive, and time consuming. Near infrared (NIR) spectroscopy coupled with multivariate calibration offers a rapid and no-destructive alternative method. The objective of this work is to develop a NIR calibration model for olive tree lignocellulosic biomass as a rapid tool and alternative method for chemical characterization of olive tree pruning over current wet methods. In this study, 79 milled olive tree pruning samples were analyzed for extractives, lignin, cellulose, hemicellulose, and ash content. These samples were scanned by reflectance diffuse near infrared techniques and a predictive model based on partial least squares (PLS) multivariate calibration method was developed. Five parameters were calibrated: Lignin, cellulose, hemicellulose, ash, and extractives. NIR models obtained were able to predict main components composition with R-cv(2) values over 0.5, except for lignin which showed lowest prediction accuracy.
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