Utilization of spent agro-residues from mushroom cultivation for biogas production

Various spent agro-residues obtained after cultivation of the edible mushroom Pleurotus sajor-caju were used in anaerobic digestors for production of biogas. The changes that take place in the residues during bioconversion were quantified in terms of composition of cellulose, hemicellulose, lignin,...

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Bibliographic Details
Published in:Applied microbiology and biotechnology 1990-08, Vol.33 (5), p.607-609
Main Authors: Bisaria, R, Vasudevan, P, Bisaria, V.S
Format: Article
Language:English
Subjects:
anaerobic digesters
anaerobic digestion
Biofuel production
biogas
Biological and medical sciences
Biotechnology
cellulose
crop residues
Energy
energy recovery
fermentation
Fundamental and applied biological sciences. Psychology
gas production
hemicellulose
Industrial applications and implications. Economical aspects
lignin
methane
methane production
methanogenesis
mushroom compost
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Summary:Various spent agro-residues obtained after cultivation of the edible mushroom Pleurotus sajor-caju were used in anaerobic digestors for production of biogas. The changes that take place in the residues during bioconversion were quantified in terms of composition of cellulose, hemicellulose, lignin, carbon and nitrogen. These "mycostraws" resulted in increased biogas production over the untreated ones, which varied from 21.5% in the case of spent bagasse to 38.8% in the case of spent paddy straw. The increased biogas generation by the spent residues seems to be due to the increased susceptibility to digestion and more favourable C/N ratio of the residues.
ISSN:0175-7598
1432-0614
DOI:10.1007/BF00172560