新型环保钨捕收剂的工业化应用研究

为解决钨捕收剂生产过程中产生高COD废水的问题，研制了新型环保钨捕收剂，并在湖南某选厂进行了工业实验。工业实验获得钨精矿含WO₃ 40.10%，WO₃实际回收率为71.73%，WO₃回收率比2016年、2017年的钨全年累计生产指标平均提高3.41%；工业实验尾水COD 28.39 mg/L，比2016年、2017年GY作捕收剂的平均COD下降14.53%。工业实验结果表明，新药剂分选性能优异，生产过程稳定，绿色环保，在保障原有钨精矿品位和回收率的情况下，工业实验综合药剂成本和尾矿废水COD有所降低，新型环保捕收剂的使用，经济效益明显，对矿山企业具有节能减排、清洁环保的重要意义。

Industrial Application of New Environmentally friendly Tungsten Collector

In order to solve the problem of high COD value of tailings wastewater caused by tungsten collector during production, a new environmental friendly floating tungsten collector was developed and an industrial test was carried out in a concentrator in Hunan. The tungsten concentrate obtained from the industrial test contains 40.10% WO₃, the actual recovery rate of WO₃ is 71.73%, and the WO₃ recovery rate is 3.41% higher than the annual cumulative production index of tungsten in 2016 and 2017; The tailings wastewater COD of industrial experiment is 28.39 mg/L, which is 14.53% lower than the average COD of GY as collector in 2016 and 2017. The results show that the new collector presents excellent separation performance, stable production process and green environmental protection. The industrial test can ensuring the grade and recovery rate of tungsten concentrate, at the same time, the cost of comprehensive reagent and the COD value of tailings wastewater in industrial test has been reduced. It is concluded that the application of new environmental protection collector has obvious economic benefits, will bring great significance in terms of energy-saving and emission-reduction, as well as environmental protection and clean production．