Indian Journal of Science and Technology
Year: 2011, Volume: 4, Issue: 6, Pages: 660-665
Urmila Gupta Phutela1 , Nidhi Sahni2 and Sarbjit Singh Sooch1*
1 School of Energy Studies for Agri., College of Agri. Engg. & Technol., Punjab Agri. Univ., Ludhiana-141004, Punjab
2 Dept. of Microbiology, College of Basic Sciences and Humanities, Punjab Agri. Univ., Ludhiana-141004, Punjab, India
[email protected]; [email protected]
Fungal mediated degradation of chopped and moist paddy straw (3-4cm) was investigated using Trichoderma reesei MTCC 164 and Coriolus versicolor MTCC 138 at different time intervals. The pre-treated paddy straw was in turn used for biogas production. Paddy straw pretreated with T. reesei MTCC 164 showed 20.8% enhanced biogas production and a maximum of 30% silica was removed after 25 days treatment. The paddy straw treated with C. versicolor MTCC 138 showed 26.2% enhanced biogas production with a maximum of 19.1 and 32.5% reduction in lignin and silica content respectively. Results regarding change in proximate and chemical composition of T. reesei MTCC 164 and C. versicolor MTCC 138 pretreated straw indicate that both these fungi might be the potential organisms for silica degradation.
Keywords: Paddy straw, biogas, agri-waste, fungal degradation, lignin, silica.
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