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Sulfite pretreatment to overcome recalcitrance of lignocellulose (SPORL) for robust enzymatic saccharification of hardwoods
Abstract
This study demonstrates sulfite pretreatment to overcome recalcitrance of lignocellulose (SPORL) for robust bioconversion of hardwoods. With only about 4% sodium bisulfite charge on aspen and 30‐min pretreatment at temperature 180°C, SPORL can achieve near‐complete cellulose conversion to glucose in a wide range of pretreatment liquor of pH 2.0–4.5 in only about 10 h enzymatic hydrolysis. The enzyme loading was about 20 FPU cellulase plus 30 CBU β‐glucosidase per gram of cellulose. The production of fermentation inhibitor furfural was less than 20 mg/g of aspen wood at pH 4.5. With pH 4.5, SPORL avoided reactor corrosion problem and eliminated the need for substrate neutralization prior to enzymatic hydrolysis. Similar results were obtained from maple and eucalyptus. © 2009 American Institute of Chemical Engineers Biotechnol. Prog., 2009
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Cites
Features of promising technologies for pretreatment of lignocellulosic biomass
MOSIER, N. (2005) · Bioresource Technology · doi:10.1016/j.biortech.2004.06.025 · Cited by 6,251
Cited by
Sources of Biomass Feedstock Variability and the Potential Impact on Biofuels Production
Williams, C. L., Westover, T. L., Emerson, R. M., Tumuluru, J. S., & Li, C. (2016) · BioEnergy Research · doi:10.1007/s12155-015-9694-y · Cited by 365
Zhu, J. Y., Pan, X., & Zalesny, R. S. (2010) · Applied Microbiology and Biotechnology · doi:10.1007/s00253-010-2654-8 · Cited by 350
Self-citationYuan, Y., Jiang, B., Chen, H., Wu, W., Wu, S., Jin, Y., & Xiao, H. (2021) · Biotechnology for Biofuels · doi:10.1186/s13068-021-02054-1 · Cited by 344
Zhao, X., Zhang, L., & Liu, D. (2012) · Biofuels, Bioproducts and Biorefining · doi:10.1002/bbb.1350 · Cited by 296
Metadata
- Authors
- Wang, G. S., Pan, X. J., Zhu, J. Y., Gleisner, R., & Rockwood, D.
- Venue
- Biotechnology Progress
- Publisher
- Wiley
- Published
- 2009-07
- Volume
- 25
- Issue
- 4
- Pages
- 1086-1093
- ISSN
- 1520-6033 (ISSN-L)
- 8756-7938
- OpenAlex
- W2066531557
- Cited by
- 159
- References
- 1
- FWCI
- 10.48
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wang, G. S., Pan, X. J., Zhu, J. Y., Gleisner, R., & Rockwood, D. (2009). Sulfite pretreatment to overcome recalcitrance of lignocellulose (SPORL) for robust enzymatic saccharification of hardwoods. Biotechnology Progress. https://doi.org/10.1002/btpr.206
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