Integrated Wastewater Treatment System for Heavy Machinery Production

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