摘要
针对三聚氰胺废水中含铵根离子浓度高、COD浓度低的特点,采用MPA法对其进行处理,得出最佳反应条件:pH值为9.5,反应时间为5h,投药量的摩尔比为Mg2+∶NH4+∶PO43-=1.32∶1.00∶1.10。但MPA法处理成本较高,根据其试验原理,本文采用盐泥提供镁盐,过磷酸钙提供磷酸盐,对其处理过程进行了探讨。结果表明:盐泥处理效果好,但投加量较大,还有待于进一步研究。
Aiming at characteristics of melamine wastewater with high NH4^+ and low COD content, MAP is used to treat the wastewater and the best reaction conditions are gained as follows: the pH value is 9.5, the reaction time is 5 hours, and the mole content is Mg^(2+)∶NH_4^+∶PO_4^(3+)=1.32∶1.00∶1.10. Considering the high costs of this method, the processes are tested using salt mud to provide Mg^(2+) and calcium superphosphate to provide PO_4^(3-), and the results are discussed. It is showed that the treatment effect of the salt mud is better, but the demand quantity is large, so further researches are still necessary.
出处
《山东建筑工程学院学报》
2005年第1期60-63,共4页
Journal of Shandong Institute of Architecture and Engineering
