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Correlating Physical Changes and Enhanced Enzymatic Saccharification of Pine Flour Pretreated by N-Methylmorpholine-N-oxide

Liu, Ye ; Zhong, Qixin ; Wang, Siqun ; Cai, Zhiyiong

Biomacromolecules, 2011-07, Vol.12 (7), p.2626-2632 [Periódico revisado por pares]

Washington, DC: American Chemical Society

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Título:
Correlating Physical Changes and Enhanced Enzymatic Saccharification of Pine Flour Pretreated by N-Methylmorpholine-N-oxide
Autor: Liu, Ye ; Zhong, Qixin ; Wang, Siqun ; Cai, Zhiyiong
Assuntos: Agronomy. Soil science and plant productions ; Applied sciences ; Biological and medical sciences ; Carbohydrates - chemistry ; Cellulase - metabolism ; Cellulose and derivatives ; Chemistry, Physical ; Cyclic N-Oxides - chemistry ; Cyclic N-Oxides - metabolism ; Exact sciences and technology ; Flour ; Fundamental and applied biological sciences. Psychology ; General agronomy. Plant production ; Hydrolysis ; Hydrolysis, pyrolysis and by-products ; Morpholines - chemistry ; Morpholines - metabolism ; Natural polymers ; Particle Size ; Physicochemistry of polymers ; Pinus - chemistry ; Pinus - metabolism ; Polymer industry, paints, wood ; Surface Properties ; Use of agricultural and forest wastes. Biomass use, bioconversion ; Wood ; Wood. Paper. Non wovens
É parte de: Biomacromolecules, 2011-07, Vol.12 (7), p.2626-2632
Notas: ObjectType-Article-1
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Descrição: Pretreatment of lignocellulosic biomass by N-methylmorpholine-N-oxide (NMMO), a solvent used in the textile industry to dissolve cellulose for production of regenerated cellulose fibers, was observed to enhance significantly enzymatic saccharification and fermentation. The enhancement was speculated to have been caused by reduced cellulose crystallinity after dissolution and precipitation processes. This work focused on assessing several physical changes and their correlations to enzymatic saccharification of pine flour after NMMO pretreatment. Results from microstructure, surface chemical composition, and cellulose accessibility complementarily illustrated the enrichment of cellulose on pine flour surface after NMMO pretreatment. Cellulose accessibility was highly correlated to the overall glucan conversion rate. Changes in crystallinity were correlated to the initial hydrolysis rate but not overall glucan conversion rate. Findings from this work may contribute to lignocellulosic bioenergy from development of novel pretreatment technologies utilizing NMMO.
Editor: Washington, DC: American Chemical Society
Idioma: Inglês

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Correlating Physical Changes and Enhanced Enzymatic Saccharification of Pine Flour Pretreated by N-Methylmorpholine-N-oxide

Liu, Ye ; Zhong, Qixin ; Wang, Siqun ; Cai, Zhiyiong

Washington, DC: American Chemical Society

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