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Table 1 Comparison of all two stage hydrolysis systems after 96 hours of hydrolysis

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