基于两级扩展颗粒型污泥床反应器的新型试点规模工厂的启动,用于猪泥处理:性能和微生物动力学
Antonio J Aragón-Barroso1, Manuel J Gallardo-Altamirano1, Antonio Castellano-Hinojosa2
1Department of Civil Engineering, University of Granada, Dr. Severo Ochoa, s/n, Granada 18071, Spain; Department of Microbiology, Institute of Water Research, University of Granada, C/Ramon y Cajal 4, Granada 18071, Spain.
Bioresource technology
|January 24, 2026
概括
使用双阶段扩大颗粒污泥床 (EGSB) 系统的高速无氧消化有效地管理猪,生产生物气并回收资源. 这项试点研究显示了稳定的性能和显著的化学氧气需求的消除,以实现可持续的废物回收利用.
科学领域:
- 环境科学 环境科学
- 生物技术是生物技术.
- 废物管理 废物管理
背景情况:
- 猪便带来了重大的环境管理挑战.
- 无氧消化为生物气体生产和从动物废物中回收资源提供了一个有希望的解决方案.
研究的目的:
- 评估一个试点规模的两阶段扩大颗粒型污泥床 (EGSB) 系统,用于处理猪泥.
- 在150天的启动期间评估系统在生物气生产,资源回收和化学氧需求 (COD) 消除方面的效率.
主要方法:
- 一个以100升和500升反应堆为试点的两级EGSB系统被批量运行.
- 应用了液压保留时间 (HRT) 的逐步减少和有机加载率 (OLR) 的增加.
- 监测了化学氧气需求 (COD) 清除,生物气生产和甲产量 (MY).
主要成果:
- 该系统实现了68%的一般COD去除,表明对高固体含量的敏感性.
- 保持稳定的生物气产量 (264 L/d) 和甲产量 (352 L CH4/kg COD 除去).
- 关键的微生物种群,包括Clostridium sensu stricto_1,Methanosarcina和Methanoculleus,被确定为过程稳定性至关重要.
结论:
- 两个阶段的EGSB系统显示了可持续的猪便利用的巨大潜力.
- 这项技术可实现高效的生物气生产和从具有挑战性的废物流中回收资源.
- 这些发现支持在现代废物管理策略中应用EGSB系统.
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