加压溶气气浮技术应用现状及展望

Application Progresses and Prospect of Dissolved Air Flotation Technology

介绍了在废水处理领域具有广泛应用的加压溶气气浮技术,分别论述了其基本原理、主要特点、应用现状,并对其新型技术的发展做了概述。对溶气气浮工艺的组成、关键影响因素及控制参数作了简要说明。对加压溶气气浮技术今后发展的一个新方向进行了探讨,即将加压溶气气浮与加压曝气生化进行技术耦合,这样既能充分发挥高效生化作用又可利用溶气气浮泥水快速分离的技术优势,具有一定的研究、应用价值。

This paper is to introduce the common technologies of DAF used in water treatment area. The fundamental principle, main characteristic, and status of application of DAF were described separately, which was followed by the brief of each technology＇s latest development. The key influencing factors and control parameters of DAF were discussed concisely while the significant prospect has been analyzed. This prospect is namely coupling DAF and high-efficiency biochemistry, meaning this technology can not only maximize the function of high-efficiency biochemistry but also lead the sludge separation quickly from wastewater, which is worth to research and application for the future.