摘要
污水处理厂氮磷的处理和回收已经成为必然。而污泥处理构筑物中氮磷的释放则进一步要求对其中释放的氮磷进行回收。本文介绍了国内外对鸟粪石形成条件、外加镁源以及各种利用鸟粪石沉淀法进行污泥处理构筑物中氮磷回收的研究现状,并对其在污泥处理构筑物氮磷回收中存在的问题进行了论述。
It has become necessary to treat and recover nitrogen and phosphorus for sewage treatment plants. Nitrogen and phosphorus released in the sludge treatment structures request recovery. The present statuses of home and abroad studies on forming conditions of struvite, additive magnesium as well as the recovery of nitrogen and phosphorus with struvite-precipitation method in sludge treatment structures and its existing problems were discussed.
出处
《四川环境》
2008年第5期89-92,108,共5页
Sichuan Environment
基金
天津市高校科技发展基金项目"城市污水厂污泥处理构筑物中回收磷的研究"(20060521)
关键词
污泥处理构筑物
鸟粪石
磷回收
影响因素
Sludge treatment structures
struvite
phosphorus recovery
influencing factors
