The Zero Liquid Discharge (ZLD) Plant is designed to ensure absolute compliance with environmental regulations by eliminating liquid effluent discharge from industrial processes. The ZLD system typically consists of the following integrated units:
- Solvent Stripping System– Removes volatile components, H₂S, NH₃, and ammoniacal nitrogen from the process condensate.
- Multiple Effect Evaporation (MEE) with Crystallization System– Concentrates the high-TDS effluent and produces solid salts for safe disposal.
- Drying System– Ensures final conversion of concentrated slurry into dry solids, achieving zero liquid output. Our drying technology is most efficient drying solids upto 98% w/w TS based on the nature of solids.
- Process Condensate Stripping System– The process condensate recovered from the ZLD Plant often contains traces of volatile organic compounds, COD, H₂S, NH₃, and ammoniacal nitrogen. These contaminants are effectively reduced using the Process Condensate Stripping System.
- Solid Handling System –we offer compact and easy to handle solids and salt handling, bagging and loading system.
Post-stripping, the treated condensate is fed to a Condensate Polishing Unit (CPU) or Reverse Osmosis (RO) System, enabling its reuse as clean water within the process plant.
Our ZLD Technology Key Benefits:
- Ensures 100% compliance with Zero Liquid Discharge regulations.
- Facilitates water recovery and reuse, reducing freshwater consumption.
- Mitigates environmental impact by eliminating wastewater discharge.
- Converts concentrated effluent into solid, disposable salts.
- The plant performance remains stable over extended operations.
- Our ZLD Plant has turndown capacity upto 50% without any single change in the equipment’s and piping of entire plant.
- Our ZLD Technology is most suitable for high TDS effluent from 10% to 20% w/w TS range feed to first effect calandria.
- Pure Steam Condensate goes back to the boiler without any preheating and pretreatment requirement which reduce your daily fresh water consumption and boiler feed water pretreatment cost saving.
- Compact and Easy to operate system based on PLC-SCADA System.
The ZLD Plant thus provides a sustainable, eco-friendly, and cost-effective solution for industrial wastewater management.
