2021
DOI: 10.1007/s13399-021-01486-x
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Characterizing devolatilized wood pellets for fluidized bed applications

Abstract: We investigated devolatilized wood pellets to characterize their mechanical behavior and their microstructure. The work’s aim is to increase the understanding and modeling capabilities for the application in fluidized bed gasification as a sustainable alternative to generate synthesis gas. Our experiments showed that devolatilized wood pellets are a stable but highly porous and fragile structure. Computed tomographic images of the same pellets before and after devolatilization showed that the existing pore net… Show more

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Cited by 5 publications
(22 citation statements)
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References 34 publications
(42 reference statements)
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“…As shown by [20], during devolatilization, the pellet is losing roughly 80% of its mass causing massive enlargement of internal pores and the shrinkage of the structure. The main changes found are shown in Fig.…”
Section: Methodsmentioning
confidence: 99%
See 4 more Smart Citations
“…As shown by [20], during devolatilization, the pellet is losing roughly 80% of its mass causing massive enlargement of internal pores and the shrinkage of the structure. The main changes found are shown in Fig.…”
Section: Methodsmentioning
confidence: 99%
“…After devolatilization, the wood chips are covered by small pores (dimension > 150 mm), which are connected to the global pore network. Images showing the structural changes can be found in [20] and in Sect. 3.3. Despite the large changes, the cylindrical shape of the pellet remains after devolatilization, but the strength is heavily reduced.…”
Section: Methodsmentioning
confidence: 99%
See 3 more Smart Citations