|关键词: 铝材 NH4HF2表面处理 NH3-N F- 磷酸铵镁(MAP) 气浮
|Treatment of Ammonium Hydrogen Fluoride Surface Treatment of Aluminum Enterprise Wastewater Using Flotation + Chemical Precipitation of MAP System
|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