Praj Industries is implementing zero liquid discharge system in some of the Common Effluent Treatment Plants (CETPs) in Tirupur.
A press release from the company says that it implemented a project at the Veerapandi treatment plant on turnkey basis.
It uses evaporation and crystallisation technology to treat the effluent stream rejects of the reverse osmosis plant.
The first two orders were from the Veerapandi CETP.
The third for Sirupooluvapatti CETP and is for treatment of 5,000 kilo litres of effluent a day and will have three stages of treatment.