Deep wastewater treatment technology

Nutrient removal: Deep removal of nutrients

Phosphorus control: Chemical precipitation (TP＜0.3mg/L) + Biological phosphorus removal (PAOs community)

Nitrogen control: Two-stage AO process (TN＜15mg/L)

Suspended matter enhanced retention

■ Tertiary treatment process:

Deep bed filter (SS < 10 mg/L)

Ultrafiltration membrane (Turbidity ≤ 0.2 NTU)

Regenerated water application standards

Urban miscellaneous water use: GB/T 18920-2020

Landscape environmental water use: COD≤30mg/L, NH₃-N≤5mg/L

Cooling circulating water: Ca²⁺≤50mg/L, Cl⁻≤250mg/L

All about water...