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循环经济应用于污泥最小化:STAR项目

Maria Cristina Collivignarelli^1,2, Stefano Bellazzi¹, Alessandro Abbà³

¹Department of Civil Engineering and Architecture, University of Pavia, Via Ferrata 3, 27100 Pavia, Italy.

|January 24, 2025

概括

集成热友性有氧膜反应器 (TAMR) 显著减少废水污泥高达90%. 这种创新方法增强了资源回收,并提高了传统活性污泥系统的性能.

科学领域:

环境工程环境工程
生物技术是生物技术.
废水处理废水处理

背景情况:

废水处理厂 (WWTP) 的生物污泥管理面临着产量增加和新出现的污染物带来的挑战.
有效的污泥减少和资源回收对于可持续的废水管理至关重要.

研究的目的:

研究热友性有氧膜反应器 (TAMR) 的整合,以最大限度地减少生物污泥.
评估资源回收潜力和与传统活性污泥 (CAS) 系统的兼容性.

主要方法:

在中型WWTP中对TAMR系统进行为期6个月的工业规模监测.
在加厚污泥中减少挥发性固体 (VSs) 的评估.
通过呼吸计测试评估TAMR残留物与CAS系统的兼容性.

主要成果:

塔姆机组实现了高达90%的挥发性固体 (VS) 减少.
STAR配置 (TAMR + CAS) 将污泥产量降低到传统水平的10%.
TAMR残留物被证明是生物可处理的,适合作为碳来源重复使用,提高CAS性能.

结论:

整合中性和热性系统 (如TAMR和CAS) 显著提高了污泥管理效率.
这种方法降低了运营成本,并减少了与废水处理相关的环境影响.
增强的资源恢复和改进的系统性能是STAR配置的关键好处.

关键词:

资源回收利用资源回收利用呼吸测试试验呼吸测试试验污泥最小化污泥最小化热友膜反应堆中的热友膜反应堆.

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