Zero Liquid Discharge (ZLD) is an advanced water treatment process designed to remove all liquid waste from a system. The focus of a ZLD system is to reduce wastewater economically and produce clean water that is suitable for reuse, thereby leaving zero discharge at the end of the treatment cycle.
At Fenton Technologies, we provide turnkey ZLD solutions that integrate high-recovery Reverse Osmosis, thermal evaporation, and crystallisation. Our systems help industries meet stringent environmental regulations while significantly reducing their freshwater footprint and operational costs.
Our ZLD Solutions
We offer a robust range of technologies to achieve zero liquid discharge, tailored to the specific effluent chemistry of your industry. Our goal is to maximize resource recovery and minimize energy consumption.
- High-Recovery RO Systems (Brine Concentration)
- Multi-Effect Evaporators (MEE)
- Mechanical Vapour Recompression (MVR)
- Agitated Thin Film Dryers (ATFD) & Crystallisers
Key Benefits of ZLD
Implementing a ZLD system with Fenton Technologies ensures that your industry remains future-proof against water scarcity and tight environmental norms. Our designs focus on both high performance and ease of operation.
100% Regulatory Compliance
Meet all pollution control board norms with a guaranteed zero discharge certificate for your facility.
Resource & Cost Recovery
Recover up to 98% of treated water for reuse and potentially valuable salts through crystallisation.
ZLD Frequently Asked Questions
Find answers to common technical queries about the design, cost, and implementation of Zero Liquid Discharge systems.
The primary goal is to treat wastewater so it can be reused within the facility, leaving no liquid waste for discharge into the environment. This is achieved through concentration and thermal evaporation.
Yes, ZLD is widely used in industries like power plants, oil & gas, chemicals, textiles, pharmaceuticals, and sugar. We customize the treatment path based on the specific effluent characteristics of each sector.
A typical system involves Pre-treatment, Membrane concentration (RO), Thermal Evaporation (MEE/MVR), and finally Crystallisation or Drying to handle the remaining solids.
We optimize costs by maximizing RO recovery to reduce the load on energy-intensive thermal evaporators. We also use energy recovery devices and high-efficiency heat exchangers.
Yes, many industries can recover valuable salts and chemicals from the wastewater during the crystallisation stage, which can be reused in the process or sold as by-products.