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Co-Ensiling of Wheat Straw as an Alternative Pre-Treatment to Chemical, Hydrothermal and Mechanical Methods for Methane Production
| Content Provider | MDPI |
|---|---|
| Author | Brian, Dahl Jønson Sieborg, Mads Ujarak Larsen, Søren Ugilt Vazifehkhoran, Ali Heidarzadeh Triolo, Jin Mi |
| Copyright Year | 2020 |
| Description | Wheat straw without pre-treatment is only converted to methane to a low degree during anaerobic digestion for fuel production due to its low hydrolysis. Current pre-treatment technologies are challenged by high expenses to energy or chemical agents. We examined the low-tech co-ensiling pre-treatment as an alternative pre-treatment of wheat straw, and compared the results with hydrothermal, chemical and mechanical pre-treatment methods. The effects of co-ensiling duration and the mixing ratio between straw and sugar beet root on the methane yields, surface morphology and chemical composition were examined. It was found that co-ensiling could improve production of methane by 34.7%, while a combined hydrothermal and chemical pre-treatment could increase the production of methane by 25.4%. The study demonstrated that the effect of co-ensiling could overlap with hydrothermal and chemical pre-treatment by having similar effects to increase lignocellulosic hydrolysis and improve methane production. |
| Starting Page | 4047 |
| e-ISSN | 19961073 |
| DOI | 10.3390/en13164047 |
| Journal | Energies |
| Issue Number | 16 |
| Volume Number | 13 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2020-08-05 |
| Access Restriction | Open |
| Subject Keyword | Energies Paper and Wood Anaerobic Digestion Biofuels Sustainability Silage Lignocellulose Biogas |
| Content Type | Text |
| Resource Type | Article |
