通过固定生物填充系统优化去除:实现独立于阶段的操作过程
Xuyan Liu1,2, Hong Yang3, Jiawei Wang4
1Hebei GEO University, Shijiazhuang, China.
PloS one
|March 5, 2025
概括
这项研究开发了用于废水处理单独阶段的固定填充剂,显著改善了去除. 新系统实现了稳定的低氨和总水平,优于传统方法.
科学领域:
- 环境工程 环境工程
- 水处理技术水处理技术
- 微生物生态学 微生物生态学
背景情况:
- 传统的活性污泥系统限制了功能细菌的效率.
- 优化去除需要解决传统工艺的局限性.
研究的目的:
- 为不同的水解酸化,化和脱化阶段开发固定填充剂.
- 通过允许独立阶段操作来提高整体去的性能.
主要方法:
- 为连续的废水处理阶段开发固定填充剂.
- 每个处理单元的独立运行和性能测试.
- 分析废水中的氨,总,化和酸含量.
- 在不同的条件下,包括低温,评估氨氧化率 (AOR).
主要成果:
- 稳定的废水氨 (0.75-0.83毫克/升) 和总 (1.5-2毫克/升) 实现总液压保留时间 (HRT) 为6.4小时,化HRT为3小时.
- 一个活跃的水解-酸化阶段对于有机物利用和后续阶段的去除至关重要.
- 将有机物导向化阶段可以提高氨氧化率 (AOR) 的稳定性,尤其是在低温下.
结论:
- 固定填充器使独立阶段操作能够显著提高去除效率.
- 该过程证明了水解-酸化和有机物战略管理对于强大的废水处理的重要性.
- 这些发现为优化城市废水处理中的去除提供了指导.
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