低温条件下菌藻颗粒污泥脱氮除磷机制研究综述
Journal: Ecological Environment and Protection DOI: 10.32629/eep.v9i2.3073
Abstract
针对全球水环境质量下降与水处理成本过高问题,寻找高效与节能的污水处理技术成为研究热点。菌藻颗粒污泥(ABGS)工艺通过构建了细菌与微藻的共生体系。ABGS具有节能降耗、回收资源,被认为是下一代污水处理技术的重要方向。但低温环境会明显抑制ABGS工艺的脱氮除磷效果,所以ABGS在寒冷地区和季节难以稳定运行的主要瓶颈。本文系统介绍了ABGS的脱氮除磷原理,分析了温度、光照、进水基质和pH等关键因素对ABGS处理效果的影响。重点探讨了低温对ABGS工艺在微生物代谢活性、菌藻协同作用、颗粒结构稳定性,以及关键功能微生物竞争机制的限制。
Keywords
低温；菌藻颗粒污泥；脱氮除磷
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