Go with the Flow: Additives to Improve the Flowability of Crumbled Corn Stover
Magnesium stearate (MgSt), a common flow additive and anticaking agent, was applied to corn stover feedstocks with three particle sizes. The material handling properties of dry, 15%, and 30% moisture content corn stover were measured with a Freeman FT-4 powder rheometer and mass flow hopper calculat...
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| Veröffentlicht in: | ACS sustainable chemistry & engineering 2025-01, Vol.13 (2), p.731-736 |
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| creator | Finney, Tanner J. Oberteuffer-Bailey, Ronan Wilson, Abigail W. Davis, Benjamin L. |
| description | Magnesium stearate (MgSt), a common flow additive and anticaking agent, was applied to corn stover feedstocks with three particle sizes. The material handling properties of dry, 15%, and 30% moisture content corn stover were measured with a Freeman FT-4 powder rheometer and mass flow hopper calculations. While hydrated biomass typically exhibits poor flowability, introducing MgSt led to a significant increase in flowability for dry and 15% moisture content feedstocks, with less impact at 30% moisture content. Inverse gas chromatography showed a decrease, up to 40%, in the surface energy of MgSt-coated corn stover. While MgSt may not be ideal for biofuel or chemical production, this study highlights the potential of flow additives to reduce adhesive and cohesive forces, improving biomass feedstock handling. |
| doi_str_mv | 10.1021/acssuschemeng.4c08649 |
| format | Article |
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| identifier | ISSN: 2168-0485 |
| ispartof | ACS sustainable chemistry & engineering, 2025-01, Vol.13 (2), p.731-736 |
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| language | eng |
| recordid | cdi_osti_scitechconnect_2500878 |
| source | American Chemical Society Journals |
| subjects | bioenergy biomass characterization feedstock variability flow additives flowability granular materials hopper design material handling |
| title | Go with the Flow: Additives to Improve the Flowability of Crumbled Corn Stover |
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