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- Title
Microbial Pretreatment of Corn Stovers by Solid-State Cultivation of Phanerochaete chrysosporium for Biogas Production.
- Authors
Liu, Shan; Wu, Shubiao; Pang, Changle; Li, Wei; Dong, Renjie
- Abstract
The microbial pretreatment of corn stover and corn stover silage was achieved via the solid-state cultivation of Phanerochaete chrysosporium; pretreatment effects on the biodegradability and subsequent anaerobic production of biogas were investigated. The peak levels of daily biogas production and CH yield from corn stover silage were approximately twice that of corn stover. Results suggested that ensiling was a potential pretreatment method to stimulate biogas production from corn stover. Surface morphology and Fourier-transform infrared spectroscopy analyses demonstrated that the microbial pretreatment of corn stover silage improved biogas production by 10.5 to 19.7 % and CH yield by 11.7 to 21.2 % because pretreatment could decrease dry mass loss (14.2 %) and increase substrate biodegradability (19.9 % cellulose, 32.4 % hemicellulose, and 22.6 % lignin). By contrast, the higher dry mass loss in corn stover (55.3 %) after microbial pretreatment was accompanied by 54.7 % cellulose, 64.0 % hemicellulose, and 61.1 % lignin degradation but did not significantly influence biogas production.
- Subjects
CORN stover; SILAGE; PHANEROCHAETE chrysosporium; BIOGAS; SURFACE morphology; FOURIER transform infrared spectroscopy
- Publication
Applied Biochemistry & Biotechnology, 2014, Vol 172, Issue 3, p1365
- ISSN
0273-2289
- Publication type
Article
- DOI
10.1007/s12010-013-0604-5