基于草泡的有氧颗粒污泥 (SF-AGS) 用于高盐度废水处理:性能,微生物群落和适应机制
Haoli Zhou1, Yu Jin1, Wei Xiong1
1State Key Laboratory of Green Biomanufacturing, National Energy R&D Center for Biorefinery, Beijing Key Laboratory of Green Chemicals Biomanufacturing, Beijing Synthetic Bio-manufacturing Technology Innovation Center, Beijing, 102209, People's Republic of China.
Journal of environmental management
|February 8, 2026
概括
一种基于草泡的新型有氧颗粒污泥 (SF-AGS) 有效地处理盐废水,在高盐度下保持性能和微生物群体稳定性. 这项技术显示了可持续的盐水废水管理的前景.
科学领域:
- 环境科学 环境科学
- 微生物学 微生物学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 盐水废水带来环境风险,传统的处理方法耗费大量能源.
- 开发具有成本效益和高效的盐水废水处理是至关重要的.
研究的目的:
- 评估基于草泡的有氧颗粒污泥 (SF-AGS) 对于盐水废水处理的性能.
- 评估盐度对SF-AGS性能和微生物群落结构的影响.
主要方法:
- SF-AGS经过三种盐度条件:没有盐度 (R1),NaCl (R2) 和NaCl + Na2SO4 (R3).
- 监测了关键绩效指标,包括沉降,生物质度和移除效率 (COD,NH4+-N,TP,TN).
- 在不同盐度下分析了微生物群落的组成.
主要成果:
- 在高达4.0%的盐度下,SF-AGS显示出出色的沉降和高生物质度.
- 获得了高的去除效率:约91%的COD,约80%的NH4+-N,约30%的TP和约75%的TN.
- 盐度的变化有利于耐性细菌 (如Raineyella,Sphingopyxis),并影响了化和去除.
结论:
- 在处理高盐度废水方面,SF-AGS表现出强大的盐度耐受性和稳定的性能.
- 该研究强调了SF-AGS作为对挑战性废水流的可持续解决方案的潜力.
- 微生物群落的适应是维持盐水条件下的治疗效率的关键.
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