From: Improving the performance of enzymes in hydrolysis of high solids paper pulp derived from MSW
Experimental condition | % Conversion in primary hydrolysis | % Total conversion after secondary hydrolysis | % Conversion improvement compared to control |
---|---|---|---|
A. Single stage hydrolysis (96 hours) | 68.0 ± 5 | - | - |
B. Two-stage hydrolysis with intermediate fermentation (24-hour initial hydrolysis) | 46.5 ± 0.36 | 76.5 ± 0.5 | 8.5 ± 0.5 |
C. Two-stage hydrolysis with intermediate fermentation (48-hour initial hydrolysis) | 65.8 ± 0.3 | 73.1 ± 1.7 | 5 ± 1.7 |
D. Two stage hydrolysis with intermediate wash step | 67. 2 ± 1.3 | 81.2 ± 0.7 | 13.2 ± 0.7 |
E. Two stage hydrolysis with intermediate wash step and β-glucosidase addition | 67.2 ± 0.8 | 87.6 ± 0.4 | 19.6 ± 0.4 |