Bibliographic Details
| Title: |
Autocatalyzed steam pretreatment in a sugarcane biorefinery: optimising for preferred sugar products from bagasse and harvest residues. |
| Authors: |
Hamann, Martin Louis, Bedzo, Oscar Koku Kplorm, Diedericks, Danie, Van Rensburg, Eugéne, Görgens, Johann Ferdinand |
| Source: |
Biomass Conversion & Biorefinery; Jul2024, Vol. 14 Issue 14, p16107-16120, 14p |
| Abstract: |
The production of high-value commodities from sugarcane bagasse and harvest residues could be integrated into existing sugarcane mills to create sugarcane biorefineries. Three distinctly different domains of operating conditions were optimised for autocatalyzed steam pretreatment and enzymatic hydrolysis of these lignocelluloses, to provide sugars according to biorefinery priorities, i.e. (i) maximum digestibility of the solids for glucose only, (ii) maximum hemicellulose recovery in the prehydrolysate for xylose only, or (iii) maximum combined sugar yield (CSY; glucose plus xylose). Bagasse pretreatment showed isolated optima for each response at (i) 215 °C, 15 min; (ii) 202.2 °C, 5 min; and (iii) 215 °C, 5 min. For the harvest residues, the three domains of optimum conditions overlapped within temperatures of 198 and 200 °C, and times of 8 and 12°min, allowing for a single pretreatment condition that meets all three criteria. The practicality and robustness of the preferred pretreatment conditions were demonstrated with a mixed stream of both feedstocks. [ABSTRACT FROM AUTHOR] |
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| Database: |
Complementary Index |
