探索路边草作为西北欧洲沼气原料对环境的影响
Rahul Ravi1, Marcella Fernandes de Souza1, Anne Adriaens1
1RE-SOURCE LAB, Laboratory for BioResource Recovery, Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure links-653, Ghent, 9000, Belgium.
Journal of environmental management
|July 5, 2023
概括
与猪一起消化路边的草切片是一种比堆肥或仅使用草更可持续的生物气生产方法. 这种方法提高了欧洲的能源安全,并减少了排放.
科学领域:
- 环境科学 环境科学
- 能源政策 能源政策
- 可持续农业 可持续农业
背景情况:
- 由于对俄罗斯天然气的依赖,欧盟的能源安全受到威胁.
- RePowerEU倡议旨在促进生物甲生产,以取代天然气.
- 由于对能源作物的土地使用的担忧,需要替代生物气原料.
研究的目的:
- 评估使用路边草 (RG) 在西北欧洲生产生物气的环境影响.
- 将RG单消化和联合消化与当前的堆肥实践进行比较.
- 评估不同生物气最终使用场景的环境性能.
主要方法:
- 使用RG作为原材料生产生物气的生命周期评估 (LCA).
- 将RG与猪共同消化与RG单消化和堆肥进行比较.
- 生物气最终使用对环境的影响分析 (CHP与生物甲回收).
主要成果:
- 与猪共同消化RG在环境上优于RG单消化和堆肥,主要是由于避免了管理的排放.
- 在以天然气为基础的电力组合的地区,热电联产 (CHP) 系统是减缓气候变化的最佳选择.
- 生物甲回收是减少化石资源使用的首选选择.
结论:
- 路边草皮与牲畜便的同时消化是生产生物气体的可行和环保的战略.
- 对替代原料和优化生物气最终用途的政策支持对于加强欧洲能源安全和可持续性至关重要.
- 这项研究为制定政策的人士提供了有价值的数据,帮助他们制定西北欧洲的可持续能源战略.
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