磷酸铵镁沉淀法去除与回收废水中氮磷的应用研究进展-中国水工业网论坛.PDF

2007 26 3 CHEMICAL INDUSTRY AND ENGINEERING PROGRESS ·371 · 1,2 2 2 2 2 1 2 100875 100012 X 703 A 100066132007 Removal and recovery of nitrogen and phosphorus from wastewater by struvite crystallization 12 2 2 2 2 HUO Shouliang XI Beidou LIU Hongliang SONG Yonghui HE Liansheng 1 2 ( School of Environment Beijing Normal University Beijing 100875 China Chinese Research Academy of Environmental Science Beijing 100012 China) Abstract Removal and recovery of nitrogen and phosphorus from wastewater by struvite crystallization which has the advantages of high removal rate and rapid reaction rate. Moreover struvite recovered from waterwater is a slow-release fertilizer and has high economic benefit. This paper presents the basic theory and the influence factors of struvite formation struvite application and technico-economic analysis. The study trend of this technique is discussed in the end. Key words struvitewastewater treatment nitrogen and phosphorus recovery influence factors 1 MAP MAP MgNH PO ·6H O 4 4 2 [1] 20 60 5.05 10144.36 1010[2] magnesium ammonium phosphate MAP