Production of flexible circuit boards
Treatment scale: wastewater treatment capacity of 1000 tons / day, reclaimed water preparation capacity of 500 tons / day
Main pollution factors: pH, total copper, total nickel, cyanide, COD
Wastewater treatment process: wastewater is treated by chemical oxidation, physicochemical treatment system, biological AO treatment system, filtration, ion exchange, etc., and DF+RO treatment process is used for reuse of water.