好氧颗粒污泥处理高浓度及难降解废水研究进展

好氧颗粒污泥以其在反应器中污泥沉降速度快、泥水分离简单、污泥浓度高,能够同时实现脱氮除磷等特点成为目前污(废)水处理领域的研究热点之一。对好氧颗粒污泥在高浓度有机废水及难降解废水(硝基苯废水、苯酚废水、氯酚废水、苯胺和氯苯胺废水、含盐废水、染料废水)处理中的研究现状进行综述,重点探讨了好氧颗粒污泥处理该类物质的影响因素、去除机制及其微生物特性等,指出其在难降解废水处理方面具有良好的应用前景。

Progress in research on treatment of high-strength and refractory wastewater with aerobic granular sludge

Aerobic granular sludge, with the characteristics of a high settling velocity, simple slurry separation, a high concentration, and a capacity of simultaneous nitrogen and phosphorus removal, has become one of the most popular research issues in the field of wastewater treatment. This paper presents a review of research on the application of aerobic granular sludge to treatment of high-strength organic wastewater and refractory wastewater, including high-concentration nitrobenzene wastewater, phenol wastewater, chlomphenol wastewater, aniline and chloroaniline wastewater, salinity wastewater, and dyeing wastewater. The study focuses on the influencing factors, removal mechanism, and microorganism characteristics of aerobic granular sludge during the treatment of the wastewater. It is pointed out that aerobic granular sludge has favorable application prospects in the treatment of refractory wastewater.