Study on the Microbial Hydrolysis of Maize Straw and the Water Reducing Properties of the Hydrolysate

Abstract:

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A two-step fermentation procedure for maize straw hydrolysis by Phanerochaete chrysosporium, Trichoderma and Aspergillus niger were investigated in this study. 2 mL of P. chrysosporium (107spores/mL) was added to 50 mL medium for the first fermentation stage. The optimal culture conditions were 28°C of culture temperature, 4.0 of pH, 8 days of culture time, 2 mL of Trichoderma suspensions (107spores/mL) and 1 mL of A. niger suspensions (107spores/mL) of the inoculums size on the second fermentation stage. Under the optimal conditions, the crude degradation rate achieved 48.2%. Via sulfonation, oxidate-lignosulfonate alkali lignin (OLAL) was achieved from maize straw hydrolysate(MSH).OLAL and MSH can be partial substitution for common water reducers and OLAL was more efficient compared to that of MSH.

Info:

Periodical:

Advanced Materials Research (Volumes 306-307)

Edited by:

Shiquan Liu and Min Zuo

Pages:

87-92

DOI:

10.4028/www.scientific.net/AMR.306-307.87

Citation:

Y. X. Wang et al., "Study on the Microbial Hydrolysis of Maize Straw and the Water Reducing Properties of the Hydrolysate", Advanced Materials Research, Vols. 306-307, pp. 87-92, 2011

Online since:

August 2011

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$35.00

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