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在SBR反应器中通过表面修饰的聚氨海绵生物膜载体增强部分化-无氧氨氧化

Zexiang Liu¹, Zhihong Xu¹, Kelin Li¹

¹Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, School of Light Industry and Food Engineering, Guangxi University, Nanning 530004, China.

|May 14, 2025

概括

一种新型载体增强了废水处理的部分化-亚纳摩克斯. 这一过程通过丰富有益的细菌和减少酸盐氧化,有效地去除,即使在低氨水平.

科学领域:

环境科学环境科学
微生物学微生物学
废水工程废水工程

背景情况:

部分化-安纳摩克斯 (PN-A) 是一种可持续的去除方法.
低氨条件挑战PN-A的长时间启动和化物溢出.

研究的目的:

开发一种增强的载体,以在低氨水平下启动PN-A.
改善微生物的丰富,并抑制酸盐的产生.

主要方法:

经过修改的聚氨载体带有正电荷和地酸盐装载.
在测序批量反应堆中的应用.
用于微生物分析的16S rRNA基因测序.

主要成果:

实现了78%的总去除效率.
减少废水中的酸盐到6.03 mg-N/L.
增加生物膜的扩散和Candidatus Brocadia的丰富性.

结论:

经过修改的载体在低氨条件下成功启动PN-A.
抑制过度的酸盐氧化和酸盐积累.
通过微生物转移实现了持续高效的去除.

关键词:

一部分化anammox 测序批量反应堆的批量反应堆泽奥利特石是一种热带石.

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Bioremediation

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