Zero Liquid Discharge System

Stage 1

Preliminary Treatment:

• Effluent screening process.
• Oil removal process.
• Effluent mixing process.
• pH correction process.

Stage 2

Primary Treatment:

• Electrochemical Coagulation & Flocculation process.
• Primary sludge settling, treatment process.
• TSS, color & associated BOD/COD removal process.
• Hardness & heavy metals removal process.

Stage 3

Secondary Treatment:

• Biological treatment process.
• Secondary sludge settling process.
• Sludge treatment Process
• BOD & COD removal process.

Stage 4

Tertiary Treatment:

• Depth filtration / Polishing process.
• Polishing of TSS, SDI, Color, Turbidity, Virus etc.

Stage 5

Recycle Treatment:

• Salts / Total dissolved solids / TDS removal process.
• Salts / Total dissolved solids / TDS final polishing process.

Stage 6

Salt Crystallization:

• Salts / Total dissolved solids / TDS concentration Process.
• Salt crystallization process.

Choose the best ZLD technology

• ZLD without RO system
• ZLD without Evaporator system
• ZLD along with EDR system
• ZLD based on MEE ATFD technology
• ZLD based on MEE Centrifuge technology
• ZLD without boiler
• ZLD on MVR technology
• Two stage MVR technology based ZLD
• ZLD on Low Temperature Evaporation (LTE)