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- Kwak, Ja Hun
- Molecular Catalysis Lab.
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A new route to improved glucose yields in cellulose hydrolysis
- Alternative Title
- A new route to improved glucose yields in cellulose hydrolysis
- Author(s)
- Zhao, Haibo, Holladay, Johnathan E., Kwak, Jahun, Zhang, Z. Conrad
- Issued Date
- 2007-08
- Citation
- JOURNAL OF BIOBASED MATERIALS AND BIOENERGY, v.1, no.2, pp.210 - 214
- Abstract
- Cellulose decrystallization was nearly complete at 0 degrees C in less than 2 hours. TFA used for cellulose decrystallization was recycled via a vacuum process. The residual TFA in cellulose was diluted by adding water to form a 0.5% TFA solution and used as a catalyst for hydrolysis. The glucose yield reached 63% in 30 minutes at 175 degrees C in a batch reactor. This yield was four times higher than that from the hydrolysis of untreated cellulose using 0.5% H2SO4 under identical conditions. Alternatively, the residual TFA can be completely removed by washing with water leaving the regenerated cellulose in a highly amorphous state. Regenerated amorphous cellulose is much more reactive than untreated cellulose in hydrolysis reactions
- Publisher
- AMER SCIENTIFIC PUBLISHERS
- ISSN
- 1556-6560
- Keyword (Author)
- cellulose, trifluoroacetic acid, TFA, crystallinity, decrystallization, glucose, hydrolysis, amorphous, XRD, FTIR
- Keyword
- TRIFLUOROACETIC-ACID, SUBSTITUTED CELLULOSE, CELL-WALL, NMR, CRYSTALLINITY, FIBER
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