鸟粪石法处理页岩干馏废水的实验研究
Experimental Study on Treatment of Shale Retorting Wastewater by Struvite Method
DOI: 10.12677/WPT.2020.84013, PDF,   
作者: 肖丽光：抚顺矿业集团工程技术研究中心，辽宁 抚顺
关键词: 氨氮废水处理；页岩废水；鸟粪石法；Ammonia Nitrogen Wastewater Treatment； Shale Wastewater； Struvite Method
摘要: 本实验采用鸟粪石法(即MAP法)对页岩干馏废水中的高浓度氨氮进行适用性研究。通过对比四种常用镁盐药剂MgCl2、MgS04、MgO、Mg(OH)2与两种常用磷酸根药剂H3P04、Na2HP04的组合实验结果，并对氨氮去除效果和药剂成本分析比较。筛选出适合页岩干馏废水的药剂组合为Mg(OH)2 + Na2HPO4，在Mg:N:P比为1.3:1:1.1时，药剂成本为3.70元/吨，氨氮去除率达到51.2%，能满足后续的工艺需求。
Abstract: The applicability study of the struvite method (MAP method) to the high concentration ammonia nitrogen in shale distillation wastewater was studied. By comparing the combined experimental results of four commonly used magnesium salt reagents MgCl2, MgS04, MgO and Mg(OH)2 with two commonly used phosphate reagents H3P04 and Na2HP04, the removal effect of ammonia nitrogen and the cost of reagents were analyzed and compared. The combination of agents suitable for shale retorting wastewater was selected as Mg(OH)2 + Na2HPO4. When the ratio of Mg:N:P was 1.3:1:1.1, the pharmaceutical cost was 3.70 yuan/ton, and the removal rate of ammonia nitrogen reached 51.2%, which could meet the subsequent process requirements.
文章引用：肖丽光. 鸟粪石法处理页岩干馏废水的实验研究[J]. 水污染及处理, 2020, 8(4): 97-103. https://doi.org/10.12677/WPT.2020.84013

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