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| DOI | 10.1016/j.scitotenv.2024.172083 |
| Effect of manure co-digestion on methane production, carbon retention, and fertilizer value of digestate | |
| 发表日期 | 2024 |
| ISSN | 0048-9697 |
| EISSN | 1879-1026 |
| 起始页码 | 927 |
| 卷号 | 927 |
| 英文摘要 | Anaerobic digestion can provide benefits not only from the perspective of renewable energy production but also in the form of fertilization effect and increased retention of C in soils after digestate application. This study consisted of two phases, where the first phase assessed the suitability of carbon-rich co-feedstocks for methane production via laboratory testing. The second phase assessed the balance and stability of C before and after anaerobic digestion by systematic digestate characterization, and by evaluating its carbon retention potential using a modeling approach. The results indicated that pyrolysis chars had a negligible effect on the methane production potential of cattle manure, while wheat straw expectedly increased methane production. Thus, a mixture of cattle manure and wheat straw was digested in pilot-scale leach-bed reactors and compared with undigested manure and straw. Although the total amount of C in the digestate was lower than in the untreated feedstocks, the digestion process stabilized C and was modeled to be more effective in retaining C in the soil than untreated cattle manure and wheat straw. In addition, digestion converted 23-27 % of the C into valuable methane, increasing the valorization of the total C in the feedstock. Considering anaerobic digestion processes as a strategy to optimize both carbon and nutrient valorization provides a more holistic approach to addressing climate change and improving soil health. |
| 英文关键词 | Anaerobic digestion; Biogas; Nutrients; Soil carbon; Straw |
| 语种 | 英语 |
| WOS研究方向 | Environmental Sciences & Ecology |
| WOS类目 | Environmental Sciences |
| WOS记录号 | WOS:001226080100001 |
| 来源期刊 | SCIENCE OF THE TOTAL ENVIRONMENT
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| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/296748 |
| 作者单位 | Natural Resources Institute Finland (Luke); Natural Resources Institute Finland (Luke); Natural Resources Institute Finland (Luke) |
| 推荐引用方式 GB/T 7714 | . Effect of manure co-digestion on methane production, carbon retention, and fertilizer value of digestate[J],2024,927. |
| APA | (2024).Effect of manure co-digestion on methane production, carbon retention, and fertilizer value of digestate.SCIENCE OF THE TOTAL ENVIRONMENT,927. |
| MLA | "Effect of manure co-digestion on methane production, carbon retention, and fertilizer value of digestate".SCIENCE OF THE TOTAL ENVIRONMENT 927(2024). |
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