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- Title
Near‐Infrared Spectrum Analysis to Determine Relationships between Biochemical Composition and Anaerobic Digestion Performances.
- Authors
Charnier, Cyrille; Latrille, Eric; Roger, Jean-Michel; Miroux, Jérémie; Steyer, Jean-Philippe
- Abstract
Abstract: Near‐infrared spectrum analysis coupled with partial least squares regression can predict anaerobic digestion performances. Nonetheless, due to the complexity and diversity of organic matter, a detailed assessment of the effects of the composition of organic matter on biogas production remains a great challenge. Based on 275 samples representing a wide diversity of substrates, the application of the partial least square <italic>b</italic> coefficients to assess the effects of the involved molecules on the performances of anaerobic digestion processes is discussed. In particular, to accurately predict variables, there is a need to account for the whole near‐infrared spectrum. The characterization of organic matter involving proteins, carbohydrate and lipid contents, chemical demand in oxygen, biodegradability, methane yield, and methane production kinetics data is demonstrated.
- Subjects
BIOCHEMICAL research; ANAEROBIC digestion; CHEMOMETRICS; PARTIAL least squares regression; NEAR infrared spectroscopy
- Publication
Chemical Engineering & Technology, 2018, Vol 41, Issue 4, p727
- ISSN
0930-7516
- Publication type
Article
- DOI
10.1002/ceat.201700581