In this study, the coagulation–flocculation characteristics of a ballasted flocculation process with a capacity of 300 m³/d were evaluated using a vortex flash mixer as a mixing device. Unlike previous studies, this study did not utilize coagulation and flocculation tanks. Instead, a synthesized ballast material, suitable for drinking water and free from contaminants, was employed. The ballasted flocs were examined for particle size and settling velocity using a charge-coupled device camera. The performance of the ballasted coagulation process was found to be excellent within a dosage of polyaluminum chloride at 50 mg/L and a pH range of 8.25, with the optimal injection amount of ballast material determined to be 1,000 mg/L. The formation mechanism of ballasted flocs using a vortex flash mixer was derived from the primary operational parameters of the ballast flocculation process. Subsequently, the resulted ballasted flocs were separated from the lamella plate, and the efficacy of this mechanism in enhancing water treatment was discussed. The water treatment performance of the ballasted flocculation process was confirmed through scenarios involving high turbid water during the flood season and the inflow of green algae in the dry season. Finally, the sedimentation and uniformity of formed ballasted flocs were evaluated based on temperature changes during the initial stabilization period and long-term operation of 12 months. The obtained experimental and theoretical factors provide key insights for future process design. The utilization of a single vortex flash mixer in the ballasted flocculation process, replacing the conventional coagulation and flocculation tank setup, holds promise for significant cost reduction in operational processes and the reduction in land footprint, which contributes to making the process more sustainable.

本研究对容量为300 m ^{3的压载絮凝过程的混凝-絮凝特性进行了研究。}使用涡流闪速混合器作为混合装置来评价/d。与之前的研究不同，本研究没有使用混凝和絮凝池。相反，采用了一种适合饮用水且不含污染物的合成压载材料。使用电荷耦合装置相机检查压载絮凝物的粒径和沉降速度。结果发现，在聚合氯化铝用量为 50 mg/L、pH 范围为 8.25 的情况下，道碴混凝工艺的性能优异，道碴材料的最佳注入量确定为 1,000 mg/L。使用涡流闪速混合器形成道碴絮凝物的形成机制源自道碴絮凝过程的主要操作参数。随后，将所得压载絮凝物与薄片板分离，并讨论了该机制在增强水处理方面的功效。通过洪水期高浊度水和枯季绿藻流入的场景证实了压载絮凝工艺的水处理性能。最后，根据初始稳定期和长期运行12个月的温度变化，对形成的碴絮体的沉降和均匀性进行评价。获得的实验和理论因素为未来的工艺设计提供了关键见解。在压载絮凝过程中使用单涡流闪蒸混合器取代传统的混凝和絮凝罐装置，有望显着降低操作过程的成本并减少土地占用，