硫酸盐还原与氨氧化耦合过程在氮硫废水处理中的影响因素研究进展

Recent advances in influencing factors of coupling process between sulfate reduction and ammonia oxidation in nitrogen and sulfur wastewater treatment

针对SRAO工艺对环境因素的敏感性以及工艺的适用性等问题进行了综述。对含硫酸盐和氨氮废水来源及水质特征和SRAO工艺影响因素进行总结,讨论了pH和温度、溶解氧、底物浓度、反应器和接种污泥、碳源以及回流比和水力停留时间等工艺运行条件对SRAO工艺的处理效果和稳定性的影响,并指出了SRAO工艺在实际应用中的进展和阻碍。展望了未来SRAO工艺在废水处理中值得研究的方向及调控策略,为其在氮硫废水处理的稳定应用提供了思路。

This paper summarized the source and water quality characteristics of wastewater containing both sulfate and ammonia nitrogen and influencing factors of SRAO process.The effects of process operating conditions such as pH and temperature,dissolved oxygen,substrate concentration,reactor and inoculated sludge,carbon source,reflux ratio and hydraulic residence time on the treatment effect and stability of SRAO process were discussed.The progress and hindrances of SRAO process in practical application are also pointed out.The research direction and control strategy of SRAO process in wastewater treatment in the future are prospected,which provides ideas for its stable application in nitrogen and sulfur wastewater treatment.