Integrated Wastewater Treatment System for Heavy Machinery Manufacturing

Project Specifications
Types of Waste Water Zinc-Containing Wastewater, Passivation Wastewater, and Combined Wastewater
Treatment Capacity 20m³/d Each
Technology Zinc-containing Wastewater: Chemical Precipitation | Membrane Separation | Evaporation Passivation Wastewater: Chemical Precipitation | Membrane Separation | Evaporation Combined Wastewater: Oil Separation | DAF | Sedimentation | Biological Treatment
Discharge Standard Electroplating Pollutants Electroplating Discharge Standard (GB 21900-2008)
Untreated/Inlet COD≤500mg/L、Total Zinc (Zn)≤200mg/L、Total Chromium (Cr)≤80mg/L、SS (Suspended Solids)≤500mg/L
Treated/Outlet COD≤80mg/L、Total Zinc (Zn)≤1.5mg/L、Total Chromium (Cr)≤1mg/L、SS (Suspended Solids)≤50mg/L

 

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