Examples of fluorine-containing wastewater renovation projects
In order to undertake the fluorine-containing wastewater discharged by photovoltaic enterprises(annual capacity of 5GW)in the park,an industrial wastewater treatment plant was transformed into a process line with a total investment of 65 610 200 yuan.On the basis of the o-riginal treatment process:homogenization-hydrolytic acidification-AO biochemical-MBR-sand filtration,a two-stage defluorination process was added and a new plate and frame dehydration system was added.After the completion of the renovation project,after 4 months of commissio-ning and operation,the final effluent fluoride ion fell below 3 mg/L,and the remaining discharge indicators were still implemented in the original Discharge standard of pollutants for municipal wastewater treatment plant(GB 18918-2002)of the plant's Grade B standard,and the treatment operation cost was about 7.85 vuan/m3.
Fluorinated wastewaterRemove fluoridePlate and frame dehydrationPhotovoltaic