Transcription of Bin Yang and Charles E. Wyman
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Bin Yang and Charles E. Wyman
1. Chapter 8. Dilute Acid and Autohydrolysis Pretreatment 2. Bin yang and Charles E. Wyman 3. Summary 4. Exposure of cellulosic biomass to temperatures of about 120 210 C can remove most of the hemicellulose 5. and produce cellulose-rich solids from which high glucose yields are possible with cellulase enzymes. 6. Furthermore, the use of dilute sulfuric acid in this pretreatment operation can increase recovery of 7. hemicellulose sugars substantially to about 85 95% of the maximum possible versus only about 65% if no 8. acid is employed. The use of small-diameter tubes makes it possible to employ high solids concentrations 9. similar to those preferred for commercial operations, with rapid heat-up, good temperature control, and 10.
BookID 148969_ChapID 8_Proof# 1 - 7/06/2009 Chapter 8 Dilute Acid and Autohydrolysis Pretreatment Bin Yang and Charles E. Wyman Summary Exposure of cellulosic biomass to temperatures of about 120–210°C can remove most of the hemicellulose
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