Hardware pretreatment wastewater + painting wastewater treatment case

Project Name: Hardware pretreatment wastewater + painting wastewater

Project Description: metal parts, iron parts, furniture metal manufacturing industry, after surface treatment - fuel injection (environmental protection waste gas VOC, waste water treatment)

Process flow: painting wastewater pretreatment + nickel containing wastewater pretreatment - wastewater collection + air flotation + Fenton + primary sedimentation + primary biochemistry + secondary biochemistry + sedimentation + discharge

Emission index: 4m3 / h

Emission standard: emission limits of pollutants in Table 2 of the local standard of Guangdong Province discharge standard of pollutants for electroplating water (db44/1597/2015)