颗粒污泥形成及特性优化的水力促进技术

Hydraulic Promotion Technology for Granular Sludge Formation and Property Optimization

颗粒污泥是微生物通过自凝聚作用相互聚合形成的一种微生物聚集体,具有生物活性良好、沉淀性能优良的特点。本文从反应器中水流流态和剪切力等水力作用对颗粒污泥形成及特性优化的影响出发,分析了反应器型式和结构优化设计、反应器运行方式优化调整和反应器剪力优化控制等三种水力促进技术在颗粒污泥形成和特性优化中的应用,并提出了进一步研究的方向。

Granular sludge is a kind of microbial aggregation formed by the self condensation of microorganisms, which has good biological activity and sedimentation performance. Based on the influence of flow pattern and shear force on the formation and characteristics optimization of granular sludge, this paper analyzes the application of three hydraulic promotion technologies in the formation and characteristics optimization of granular sludge, including reactor type and structure optimization design, reactor operation mode optimization adjustment and reactor shear force optimization control, and puts forward the direction of further research.