净水技术2016,Vol.35Issue(5):58-62,5.
实验室模拟条件下鸟粪石形式回收磷的反应条件优化
Optimization of Reaction Conditions for Phosphorus Recovery from Struvite under Laboratory Simulation
摘要
Abstract
The study focused on the effects of different N∶ P rate,Mg∶ P rate and pH towards struvite crystallization without any disturbance,which could give reference for further research. The results show that higher removal rates of phosphorus is associated with higher pH which is not good for higher struvite purity. When the molar ratio of NH +4 ,PO3 -4 and Mg 2 + is 1. 3∶ 1∶ 1. 5 and pH is 8. 8, phosphorus removal of 82. 09% is obtained and struvite purity reach up to 99% . By this condition,most precipitate observed by SEM is cube which is morphologically smilar to struvite. So the conditions can be the optimum conditions to phosphorous recovery from struvite.关键词
鸟粪石/磷回收/pH值/最优条件/实验室模拟Key words
struvite/phosphorus recovery/pH value/optimum condition/laboratory simulation分类
化学化工引用本文复制引用
王宇珊,曾军,曾庆满,廖振奕,施晨逸,韦献革,孙连鹏..实验室模拟条件下鸟粪石形式回收磷的反应条件优化[J].净水技术,2016,35(5):58-62,5.基金项目
广东省城市水循环与水质安全保障技术企业重点实验室开放基金项目、中山大学先进技术研究院项目 ()