DRY biorefineries: Multiscale modeling studies and innovative processing
Résumé
This paper reviews studies on green resource fractionation for two different types of material
displaying a lignocellulosic or granular-type structure or a composite of the two. It explains how the
identification of specific biochemical or spectral markers helps monitor tissue fate along processing
and thus increase our knowledge on material fractionation. The key role of tissue mechanical
properties in fracture behavior and the value of characterizing them were highlighted to better
understand particle composition and properties. The effect of different modes of mechanical stress
and strain during grinding as the main step of fractionation was illustrated. The value of different
types of pre-treatment before or at grinding to reduce energy required to fracture and enhance
dissociation or compound accessibility was presented. Separation methods based on differences in
properties of the generated particles, and particularly innovative developments based on
electrostatic sorting, were reviewed.
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