Effects of fertilizer application and dry/wet processing of Miscanthus x giganteus on bioethanol production
| Autor: | Keith Schimmel, Shuangning Xiu, Rui Li, Nana Abayie Boakye-Boaten, Abolghasem Shahbazi, Michelle Mims, Lijun Wang |
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| Rok vydání: | 2015 |
| Předmět: |
0106 biological sciences
Environmental Engineering Swine 020209 energy Biomass Conservation of Energy Resources Bioengineering 02 engineering and technology Saccharomyces cerevisiae engineering.material Poaceae 01 natural sciences Lignin chemistry.chemical_compound Bioreactors Bioenergy 010608 biotechnology 0202 electrical engineering electronic engineering information engineering Animals Ethanol fuel Cellulose Fertilizers Waste Management and Disposal biology Ethanol Renewable Energy Sustainability and the Environment Hydrolysis General Medicine Miscanthus Sulfuric Acids biology.organism_classification Pulp and paper industry Manure chemistry Agronomy Biofuel Biofuels Fermentation engineering Fertilizer Biotechnology |
| Zdroj: | Bioresource technology. 204 |
| ISSN: | 1873-2976 |
| Popis: | The effects of wet and dry processing of miscanthus on bioethanol production using simultaneous saccharification and fermentation (SSF) process were investigated, with wet samples showing higher ethanol yields than dry samples. Miscanthus grown with no fertilizer, with fertilizer and with swine manure were sampled for analysis. Wet-fractionation was used to separate miscanthus into solid and liquid fractions. Dilute sulfuric acid pretreatment was employed and the SSF process was performed with saccharomyces cerevisiae and a cocktail of enzymes at 35 °C. After pretreatment, cellulose compositions of biomass of the wet samples increased from 61.0–67.0% to 77.0–87.0%, which were higher than the compositions of dry samples. The highest theoretical ethanol yield of 88.0% was realized for wet processed pretreated miscanthus, grown with swine manure. Changes to the morphology and chemical composition of the biomass samples after pretreatment, such as crystallinity reduction, were observed using SEM and FTIR. These changes improved ethanol production. |
| Databáze: | OpenAIRE |
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