Data for: Monolignins affect the release of fermentable sugar from enzymatic hydrolysis of steam explosion assist chemistry treated cotton stalk

Published: 31 March 2020| Version 1 | DOI: 10.17632/mgpp5v5kzb.1
Contributor:
Na Zhou

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Fig. 1 Hydrolysis of steam explosion treated cotton stalk in cellulase, xylanase, and cellulase/xylanase solutions. (a. SE-1MPa, b. SE-2.4MPa). Fig. 1 Hydrolysis of steam explosion treated cotton stalk in cellulase, xylanase, and cellulase/xylanase solutions. (a. SE-1MPa, b. SE-2.4MPa). Fig. 2 Hydrolysis of SE/acid treated cotton stalk in cellulase/xylanase solutions.(a. HCl, b.CH3COOH). Enzyme digestion supernatant at 72 h were collected for HPLC analysis). SE-2.4MPa:Steam explosion pressure 2.4MPa (square);SE-1MPa:Steam explosion pressure 1MPa(circle); control HT-125℃: High temperature acid pretreatment at 125℃(pentagram). Fig. 3 Hydrolysis of SE/acid treated cotton stalk in cellulase/xylanase solutions.(a. NaOH, b. NH3•H2O). Enzyme digestion supernatant at 72 h were collected for HPLC analysis. SE-2.4MPa:Steam explosion pressure 2.4MPa (square);SE-1MPa:Steam explosion pressure 1MPa(circle); control HT-125℃:High temperature acid pretreatment at 125 ℃(pentagram). Fig. 4 Correlation coefficient between sugar yield and lignin monomer content in SE/acid and SE/alkali treated cotton stalk samples (n=32). Table 1 Chemical composition of cotton stalk samples and reducing sugar released from hydrolysis of steam explosion treated cotton stalk samples in cellulase/xylanase solution Table 2 The monolignin composition of cotton stalk samples

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