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- Title
Cellulosic Biomass Pretreatment and Sugar Yields as a Function of Biomass Particle Size.
- Authors
Dougherty, Michael J.; Tran, Huu M.; Stavila, Vitalie; Knierim, Bernhard; George, Anthe; Auer, Manfred; Adams, Paul D.; Hadi, Masood Z.
- Abstract
Three lignocellulosic pretreatment techniques (ammonia fiber expansion, dilute acid and ionic liquid) are compared with respect to saccharification efficiency, particle size and biomass composition. In particular, the effects of switchgrass particle size (32–200) on each pretreatment regime are examined. Physical properties of untreated and pretreated samples are characterized using crystallinity, surface accessibility measurements and scanning electron microscopy (SEM) imaging. At every particle size tested, ionic liquid (IL) pretreatment results in greater cell wall disruption, reduced crystallinity, increased accessible surface area, and higher saccharification efficiencies compared with dilute acid and AFEX pretreatments. The advantages of using IL pretreatment are greatest at larger particle sizes (>75 µm).
- Subjects
BIOMASS; PARTICLE size determination; PLANT growth; CROP yields; GROWTH of plant cells &; tissues; IONIC liquids
- Publication
PLoS ONE, 2014, Vol 9, Issue 6, p1
- ISSN
1932-6203
- Publication type
Article
- DOI
10.1371/journal.pone.0100836