气浮+磷酸铵镁化学沉淀法处理铝材行业氟化氢铵表面处理废水

谭洁艳<sup>1</sup>; 谭建文<sup>1</sup>; 郑永东<sup>2</sup>

引用本文:	谭洁艳，谭建文,郑永东.气浮+磷酸铵镁化学沉淀法处理铝材行业氟化氢铵表面处理废水[J].环境监控与预警,2011,3(03):45-47
	.Treatment of Ammonium Hydrogen Fluoride Surface Treatment of Aluminum Enterprise Wastewater Using Flotation + Chemical Precipitation of MAP System[J].Environmental Monitoring and Forewarning,2011,3(03):45-47

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气浮+磷酸铵镁化学沉淀法处理铝材行业氟化氢铵表面处理废水
谭洁艳，谭建文¹, 郑永东
1.南海区环境保护监测站，广东佛山 528200

摘要:

针对铝材企业NH4HF2表面处理废水含有高浓度的NH3-N和F-等特点，采用气浮+磷酸铵镁(MAP)化学沉淀法按照制定的目标处理效果对NH4HF2废水进行预处理，再引入氧化废水池进一步处理，继而达标排放。经验证，该方法是一种技术可行、经济合理的NH4HF2废水处理方法。

关键词: 铝材 NH4HF2表面处理 NH3-N F- 磷酸铵镁(MAP) 气浮

DOI：

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Treatment of Ammonium Hydrogen Fluoride Surface Treatment of Aluminum Enterprise Wastewater Using Flotation + Chemical Precipitation of MAP System

Abstract:

Focusing on ammonium hydrogen fluoride surface treatment of aluminum enterprise wastewater which contained high-level NH3-N and fluoride ions, to pre-treat ammonium bifluoride wastewater to the concentration that has been confirmed in advance, flotation + chemical precipitation of magnesium ammonium phosphate(MAP) was used. Then the waste water was further treated in the Oxidative wastewater pool, so that it can reach the emission standard. After verification with experiments, this is not only technically feasible but also economically reasonable for removal of ammonium bifluoride wastewater.

Key words: aluminum ammonium hydrogen fluoride surface treatment NH3-N fluoride ions MAP flotation