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Cross-Comparison of the Impact of Grass Silage Pulsed Electric Field and Microwave-Induced Disintegration on Biogas Production Efficiency
| Content Provider | MDPI |
|---|---|
| Author | Katarzyna, Głowacka Szwarc, Dawid Nowicka, Anna |
| Copyright Year | 2022 |
| Description | Lignocellulosic biomass is included in the group of renewable energy sources. Its calorific value is high, owing to which it can be successfully used in the production of second-generation fuels, e.g., biogas. However, its complex structure makes it necessary to apply a pretreatment in order to increase the biogas output. This study presents the usability of a pulsed electric field in grass silage pretreatment in methane fermentation and compares it with microwave-induced disintegration. The experiment shows that substrate disintegration with a pulsed electric field (PEF) results in an increase in methane output. The productivity of methane from PEF pretreatment silage increased by 20.1% compared to the untreated control. The application of microwave disintegration, with the assumption that the same energy is used for the pretreatment, resulted in a methane output increase of 6% compared to the control. The highest biogas production output in PEF-pretreated samples was 535.57 NL/kg VS, while the highest biogas output from substrates pretreated with microwaves was 487.18 NL/kg VS. |
| Starting Page | 5122 |
| e-ISSN | 19961073 |
| DOI | 10.3390/en15145122 |
| Journal | Energies |
| Issue Number | 14 |
| Volume Number | 15 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2022-07-14 |
| Access Restriction | Open |
| Subject Keyword | Energies Agricultural Engineering Methane Fermentation Pef Pretreatment of Lignocellulosic Biomass Grass Silage |
| Content Type | Text |
| Resource Type | Article |
