部分脱/亚纳摩克斯 (PD/A) 工艺的长期储存后的重新激活性能和污泥转化
Qingliang Su1, Xing Li1, Xiaoyan Fan1
1College of Architecture and Civil engineering, Faculty of Architecture, Civil and Transportation Engineering (FACTE), Beijing University of Technology, Beijing 100124, PR China.
The Science of the total environment
|December 21, 2023
概括
长期储存的污泥可以快速启动创新的部分脱/亚纳摩克斯 (PD/A) 工艺. 这种方法实现了高去除效率,并促进了废水处理有益的微生物生长.
科学领域:
- 环境微生物学 环境微生物学
- 废水处理工程 废水处理工程
- 生物技术是生物技术.
背景情况:
- 部分脱/安纳摩克斯 (PD/A) 工艺提供了高效的去除.
- 使用长期储存的污泥作为注射剂可能对反应堆启动具有挑战性.
研究的目的:
- 为了研究使用长期存储的污泥 (>2年在4°C) 来种植部分脱/亚纳摩克斯 (PD/A) 反应堆的可行性.
- 在启动阶段评估性能恢复和微生物社区动态.
主要方法:
- 使用在4°C下存储两年多的污泥启动PD/A反应堆.
- 监测去除效率,微生物活动和污泥特性.
- 使用分子技术进行微生物社区分析.
主要成果:
- 在14.2°C时,达到99.6%的稳定去除效率.
- 污泥发生了显著的颗粒化,颗粒大小从263.1微米增加到1255.0微米.
- 关键的功能性细菌Thauera和Candidatus Brocadia的丰富性大幅增加.
结论:
- 长期储存的PD/A污泥是快速启动反应堆的可行注射剂.
- 该研究为PD/A流程的实际实施提供了技术支持.
- 废水处理可以通过使用储存的污泥注射剂有效去除的好处.
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