LAPSE:2023.3422
Published Article
LAPSE:2023.3422
Chemically and Physically Pretreated Straw in Moderate Conditions: Poor Correlation between Biogas Production and Commonly Used Biomass Characterization
February 22, 2023
Abstract
Straw is a substantial agricultural by-product for biogas production. Hydrolysis of straw is found to be a rate-limiting step during its anaerobic digestion and could be enhanced by pretreatment. In this paper, the effect of various combinations of particle size reduction, autoclaving, and low-level Fenton reaction was studied on straw for biogas production. Grinding of straw contributed to the maximum increase in the biomethane potential. Only Fenton or only the autoclave process improves the kinetics slightly but does not considerably improve the biomethane potential. Combining autoclaving and low-concentration Fenton pretreatment considerably improves the BMP values. Lignin content, CHNSO elemental analysis, Scanning Electronic Microscopy (SEM), Simon’s staining, infrared spectroscopy (DRIFT and ATR), Nuclear magnetic resonance spectroscopy, and wide-angle X-ray diffraction analysis (WAXD) were used to characterize the physical and chemical changes of straw due to pretreatment. Results show a poor correlation between biogas production and the different physical and chemical biomass characteristics. It makes it difficult to explain the outcome of various pretreatment methods applied to biomass. Without further improvement and development of analytical techniques, the prediction of the biomethane potential of a feedstock with the aid of pretreatment can only be considered in case-by-case studies.
Straw is a substantial agricultural by-product for biogas production. Hydrolysis of straw is found to be a rate-limiting step during its anaerobic digestion and could be enhanced by pretreatment. In this paper, the effect of various combinations of particle size reduction, autoclaving, and low-level Fenton reaction was studied on straw for biogas production. Grinding of straw contributed to the maximum increase in the biomethane potential. Only Fenton or only the autoclave process improves the kinetics slightly but does not considerably improve the biomethane potential. Combining autoclaving and low-concentration Fenton pretreatment considerably improves the BMP values. Lignin content, CHNSO elemental analysis, Scanning Electronic Microscopy (SEM), Simon’s staining, infrared spectroscopy (DRIFT and ATR), Nuclear magnetic resonance spectroscopy, and wide-angle X-ray diffraction analysis (WAXD) were used to characterize the physical and chemical changes of straw due to pretreatment. Results show a poor correlation between biogas production and the different physical and chemical biomass characteristics. It makes it difficult to explain the outcome of various pretreatment methods applied to biomass. Without further improvement and development of analytical techniques, the prediction of the biomethane potential of a feedstock with the aid of pretreatment can only be considered in case-by-case studies.
Record ID
Keywords
anaerobic digestion, autoclave, Biomass, Fenton reaction, size reduction, straw pretreatment
Subject
Suggested Citation
Meenakshisundaram S, Calcagno V, Ceballos C, Fayeulle A, Léonard E, Herledan V, Krafft JM, Millot Y, Liu X, Jolivalt C, Pauss A. Chemically and Physically Pretreated Straw in Moderate Conditions: Poor Correlation between Biogas Production and Commonly Used Biomass Characterization. (2023). LAPSE:2023.3422
Author Affiliations
Meenakshisundaram S: Université de Technologie de Compiègne, ESCOM, TIMR (Integrated Transformations of Renewable Matter), Centre de Recherche Royallieu—CS 60 319, F-60203 Compiègne CEDEX, France [ORCID]
Calcagno V: Université de Technologie de Compiègne, ESCOM, TIMR (Integrated Transformations of Renewable Matter), Centre de Recherche Royallieu—CS 60 319, F-60203 Compiègne CEDEX, France; Sorbonne Université, CNRS, Laboratoire de Réactivité de Surface (LRS), [ORCID]
Ceballos C: Université de Technologie de Compiègne, ESCOM, TIMR (Integrated Transformations of Renewable Matter), Centre de Recherche Royallieu—CS 60 319, F-60203 Compiègne CEDEX, France
Fayeulle A: Université de Technologie de Compiègne, ESCOM, TIMR (Integrated Transformations of Renewable Matter), Centre de Recherche Royallieu—CS 60 319, F-60203 Compiègne CEDEX, France [ORCID]
Léonard E: Université de Technologie de Compiègne, ESCOM, TIMR (Integrated Transformations of Renewable Matter), Centre de Recherche Royallieu—CS 60 319, F-60203 Compiègne CEDEX, France [ORCID]
Herledan V: Sorbonne Université, CNRS, Laboratoire de Réactivité de Surface (LRS), 4 place Jussieu, F-75005 Paris, France
Krafft JM: Sorbonne Université, CNRS, Laboratoire de Réactivité de Surface (LRS), 4 place Jussieu, F-75005 Paris, France [ORCID]
Millot Y: Sorbonne Université, CNRS, Laboratoire de Réactivité de Surface (LRS), 4 place Jussieu, F-75005 Paris, France
Liu X: Université de Technologie de Compiègne, ESCOM, TIMR (Integrated Transformations of Renewable Matter), Centre de Recherche Royallieu—CS 60 319, F-60203 Compiègne CEDEX, France [ORCID]
Jolivalt C: Sorbonne Université, CNRS, Laboratoire de Réactivité de Surface (LRS), 4 place Jussieu, F-75005 Paris, France
Pauss A: Université de Technologie de Compiègne, ESCOM, TIMR (Integrated Transformations of Renewable Matter), Centre de Recherche Royallieu—CS 60 319, F-60203 Compiègne CEDEX, France [ORCID]
Calcagno V: Université de Technologie de Compiègne, ESCOM, TIMR (Integrated Transformations of Renewable Matter), Centre de Recherche Royallieu—CS 60 319, F-60203 Compiègne CEDEX, France; Sorbonne Université, CNRS, Laboratoire de Réactivité de Surface (LRS), [ORCID]
Ceballos C: Université de Technologie de Compiègne, ESCOM, TIMR (Integrated Transformations of Renewable Matter), Centre de Recherche Royallieu—CS 60 319, F-60203 Compiègne CEDEX, France
Fayeulle A: Université de Technologie de Compiègne, ESCOM, TIMR (Integrated Transformations of Renewable Matter), Centre de Recherche Royallieu—CS 60 319, F-60203 Compiègne CEDEX, France [ORCID]
Léonard E: Université de Technologie de Compiègne, ESCOM, TIMR (Integrated Transformations of Renewable Matter), Centre de Recherche Royallieu—CS 60 319, F-60203 Compiègne CEDEX, France [ORCID]
Herledan V: Sorbonne Université, CNRS, Laboratoire de Réactivité de Surface (LRS), 4 place Jussieu, F-75005 Paris, France
Krafft JM: Sorbonne Université, CNRS, Laboratoire de Réactivité de Surface (LRS), 4 place Jussieu, F-75005 Paris, France [ORCID]
Millot Y: Sorbonne Université, CNRS, Laboratoire de Réactivité de Surface (LRS), 4 place Jussieu, F-75005 Paris, France
Liu X: Université de Technologie de Compiègne, ESCOM, TIMR (Integrated Transformations of Renewable Matter), Centre de Recherche Royallieu—CS 60 319, F-60203 Compiègne CEDEX, France [ORCID]
Jolivalt C: Sorbonne Université, CNRS, Laboratoire de Réactivité de Surface (LRS), 4 place Jussieu, F-75005 Paris, France
Pauss A: Université de Technologie de Compiègne, ESCOM, TIMR (Integrated Transformations of Renewable Matter), Centre de Recherche Royallieu—CS 60 319, F-60203 Compiègne CEDEX, France [ORCID]
Journal Name
Energies
Volume
16
Issue
3
First Page
1146
Year
2023
Publication Date
2023-01-20
ISSN
1996-1073
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PII: en16031146, Publication Type: Journal Article
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LAPSE:2023.3422
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https://doi.org/10.3390/en16031146
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