通过对有机固体废物 (OSW) 的共同消化,优化半连续生物气反应堆的启动阶段
Franciele Natividade Luiz1, Emilene de Carvalho Lourenço1, Guilherme Pavão Gomes2
1Interdisciplinary Graduate Studies Programme in Energy and Sustainability, Federal University of Latin American Integration (UNILA), Foz do Iguaçu, Brazil.
Environmental technology
|August 31, 2025
概括
这项研究表明,在持续动反应器 (CSTR) 中共同消化有机废物有效地产生生物气. 一个渐进的有机载荷率 (OLR) 提升策略稳定了反应堆,优化了生物气产量和甲含量,以获得可持续的能源.
科学领域:
- 环境科学
- 生物技术
- 可再生能源工程
背景情况:
- 有机废物的无氧消化提供了一种可持续的能源生产和脱碳的途径.
- 建立生物气厂面临运营挑战,需要有效的启动策略.
- 有机固体废物 (OSW),特别是富含脂质的食物废物,是产生生物气的高潜力基质.
研究的目的:
- 评估在半连续反应器中共同消化的有机废物的生物气产量.
- 评估逐渐的有机载荷率 (OLR) 在启动过程中对反应堆性能的影响.
- 确定生物化学甲潜力 (BMP) 并优化生物气产量.
主要方法:
- 使用了一台半连续的连续动反应堆 (CSTR).
- 包括食品废物,橄油和意大利面在内的有机固体废物的混合物.
- 进行了测试,以测量生物气产量和BMP在OLR上升.
主要成果:
- 在OLR为4.49gVS/L时,达到最大的生物气产量.
- 较高的OLR导致系统不稳定性和性能下降.
- 挥发性固体 (VS) 的去除率始终超过70%,甲含量很好.
结论:
- 有机废物的联合消化是一种生产高质量的生物气的可行方法.
- 逐步升级OLR是一种有效的启动策略,用于稳定无氧反应堆.
- 从有机废物生产生物气体对能源可持续性和温室气体减排做出了重大贡献.
相关概念视频
01:30Environmental Applications of Microorganisms
222
Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...
222
00:46Bioremediation
20.0K
Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.
20.0K