Published Date
Agriculture and Agricultural Science Procedia
2016, Vol.9:202–208, doi:10.1016/j.aaspro.2016.02.127
International Conference on Food, Agriculture and Natural Resources, IC-FANRes 2015
Open Access, Creative Commons license
Author
Abstract
Two-steps utilization of residual Shorea wood biomass (Meranti) from saw mill industry in Balikpapan, East Kalimantan, Indonesia was studied to point out its potential as the feedstock for the production of food and energy. For this purposes, oyster mushroom, Pleurotus ostreatus was cultivated on mixed sawdust of Shorea wood (major species; Shorea leprosula), and then the residual wood obtained from mushroom production (spent waste) was subjected to methane fermentation by mixing with cow dung in two steps utilization process. The effects of the bio treatment on biogas production and correlation with compositional changes in the wood by mushroom cultivation were evaluated. P. ostreatus preferentially decomposed lignin in the tropical wood with high productivity of matured fruiting body. During 44 days, fruiting bodies were harvested and collected four times, and lignin and holocellulose in the Shorea wood decreased by 24.7% and 15.8%, respectively. Biological activity expressed as yields of the fruiting body was the maximum at the first flush, and decreased gradually. In methane fermentation, addition of pretreated wood waste increased production of biogas by 2-3 times higher than those without the bio-treated wood. The combination of mushroom and biogas production of residual Shorea wood biomass creates a new industrial application of unutilized wood biomass from tropical rainforests, with a great deal of advantages supplying value-added foodstuff and also renewable energy for the local community.
Keywords
wood biomass
bio-pretreatment
mushroom
biogas
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http://www.sciencedirect.com/science/article/pii/S2210784316301279
Agriculture and Agricultural Science Procedia
2016, Vol.9:202–208, doi:10.1016/j.aaspro.2016.02.127
International Conference on Food, Agriculture and Natural Resources, IC-FANRes 2015
Open Access, Creative Commons license
Author
Available online 23 February 2016.
Abstract
Two-steps utilization of residual Shorea wood biomass (Meranti) from saw mill industry in Balikpapan, East Kalimantan, Indonesia was studied to point out its potential as the feedstock for the production of food and energy. For this purposes, oyster mushroom, Pleurotus ostreatus was cultivated on mixed sawdust of Shorea wood (major species; Shorea leprosula), and then the residual wood obtained from mushroom production (spent waste) was subjected to methane fermentation by mixing with cow dung in two steps utilization process. The effects of the bio treatment on biogas production and correlation with compositional changes in the wood by mushroom cultivation were evaluated. P. ostreatus preferentially decomposed lignin in the tropical wood with high productivity of matured fruiting body. During 44 days, fruiting bodies were harvested and collected four times, and lignin and holocellulose in the Shorea wood decreased by 24.7% and 15.8%, respectively. Biological activity expressed as yields of the fruiting body was the maximum at the first flush, and decreased gradually. In methane fermentation, addition of pretreated wood waste increased production of biogas by 2-3 times higher than those without the bio-treated wood. The combination of mushroom and biogas production of residual Shorea wood biomass creates a new industrial application of unutilized wood biomass from tropical rainforests, with a great deal of advantages supplying value-added foodstuff and also renewable energy for the local community.
Keywords
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- ☆Peer-review under responsibility of the organizing committee of IC-FANRes 2015.
- ⁎ Corresponding author. Tel.: +62-813-47747651; fax: +62-541-737079.
http://www.sciencedirect.com/science/article/pii/S2210784316301279
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