The development of the semiconductor industry,especially the explosive increase of semiconductor enterprises in the Yangtze River Delta region,has led to the discharge of fluoride in wastewater,which has attracted attention from various regions.The discharge standards for fluoride in wastewater from enterprises in the entire Yangtze River Delta range from 1 mg/L to 20mg/L.The differences in standards in different places also indirectly indicate that fluoride in wastewater brings certain pressure to the river,and research on removal processes is also urgent.Local governments should optimize industrial layout,guide fluorine related industries to cluster in key industrial parks,establish industrial wastewater treatment plants to centrally dispose of fluorine containing wastewater,reduce costs,and protect the natural environment.
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