Pilot study on removal and recovery of nitrogen and phosphorus in human urine by crystallization of magnesium ammonium phosphate

摘要：

Laboratory-scale tests for removal and recovery of nitrogen and phosphorus in human urine were conducted by magnesium ammonium phosphate precipitation (MAP) method.Proper Na2HPO4·12H2O as a phosphorus source and MgCl·6H2O as a magnesium source were added to adjust the ratio of Mg2+,NH4+ and PO43-.The effects of initial pH,(Mg2+): n (NH4+),n (PO43-) : n (NH4+),temperature,reaction time and stirring speed on removal and recovery of nitrogen and phosphorus in urine were studied by MAP method.Results showed that the optimum experimental conditions were at room temperature,pH,the molar ratio of Mg2+: PO43-: NH4+,reaction time and stirring speed were set 10,1.2:1:0.9,30min and 100r/min.

关键词： Magnesium ammonium phosphate precipitation method (MAP) urine removal nitrogen and phosphorus recovery

作者: Liu Qiang Tang Yulan Fu jinxing Zhao Yuhua WANG Zhi

作者单位: Municipal and Environment Engineering Institute,Shenyang Jianzhu University,Shenyang,China

会议类型: 国际会议

会议名称: 2010 International Conference of Environment Materials and Environment Management(2010年环境材料与环境管理国际学术会议 EMEM 2010)

会议地点: 哈尔滨

会议语种:英文

页码: 2310-2313

在线出版日期: 2010-07-24（万方平台首次上网日期，不代表论文的发表时间）