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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Perré, Patrick
CentraleSupélec
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2024Building blocks needed for mechanistic modeling of bioprocesses: A critical review based on protein production by CHO cellscitations
- 2024Water vapor transport properties of bio-based multilayer materials determined by original and complementary methodscitations
- 2023The use of a time-fractional transport model for performing computational homogenisation of 2D heterogeneous media exhibiting memory effectscitations
- 2023Online Microfluidic Production of Sustainable Cyrene™-Derived Porous Microparticlescitations
- 2022Three-dimensional pore characterization of poly(lactic)acid/bamboo biodegradable panelscitations
- 2018Designed cellulose nanocrystal surface properties for improving barrier properties in polylactide nanocompositescitations
- 2015Multiscale modelling of the interfacial structure in xylan/cellulose nanocomposites
- 2015The interface in biomimetic xylan/cellulose nanocomposites probed by multiscale modelling
- 2012Torrefaction Of Cellulose: Validity And Limitation Of The Temperature/Duration Equivalence
- 2008WaveT, a custom device able to measure viscoelastic properties of wood under water-saturated conditions
Places of action
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article
Torrefaction Of Cellulose: Validity And Limitation Of The Temperature/Duration Equivalence
Abstract
During torrefaction of biomass, equivalence between temperature and residence time is often reported, either in terms of the loss of mass or the alternation of properties. The present work proposes a rigorous investigation of this equivalence. Cellulose, as the main lignocellulosic biomass component, was treated under mild pyrolysis for 48 hours. Several couples of T-D (temperature-duration) points were selected from TGA curves to obtain mass losses of 11.6%, 25%, 50%, 74.4%, and 86.7%. The corresponding residues were subjected to Fourier transform infrared spectroscopy for analysis. According to the FTIR results, a suitably accurate match to global T-D equivalence is exhibited up to 50% mass loss: in this domain, mass loss is well correlated to the treatment intensity (molecular composition of the residue) except for slight differences in the production of C=C and C=O. For mass loss levels of 74.4% and 86.7%, distinct degradation mechanisms take place at different combinations of temperature and duration, and the correlation fails. Compared to the mass loss at 220 degrees C and 250 degrees C, the equivalent molecular composition can be achieved through treatment at 280 degrees C with shorter treatment time and less depolymerization and oxidation. The main conclusion drawn is that mass loss can be used as a synthetic indicator of the treatment intensity in the temperature range of 220 degrees C to 280 degrees C up to a mass loss of 50%.