Thoothukudi power, chemical and seafood water
How Thoothukudi's thermal power stations, chemical plants and seafood processors treat raw water and effluent on a dry, salty coast.
Water is precious here
Thoothukudi is one of the drier parts of Tamil Nadu, and industries draw on the Tamirabarani river and, increasingly, on desalinated and recycled water. Good clarification lets plants reuse more of what they draw.
Thermal power stations
Raw water for cooling and boiler make-up is clarified with a coagulant and an anionic polymer such as Anionic HQ. Coal-handling run-off and ash-pond water also settle faster with anionic grades.
Chemical plants
Plants near the harbour run physico-chemical treatment for inorganic effluent. After pH correction and coagulation, an anionic grade settles the precipitate; the sludge is then pressed.
Seafood processing
Fish and shrimp processors produce protein- and fat-rich effluent. A coagulant followed by a cationic grade, or the liquid SunMac SC04, helps DAF units lift fats and solids.
Salt and high TDS
Coastal water and salt-works run-off carry high dissolved salts. Very salty water can reduce the effectiveness of some polymers, so confirm grade and dose on your own water with a jar test.
Regulation and supply
Units are regulated by the Tamil Nadu Pollution Control Board. Road freight from Chennai usually takes about two days.
Not sure which grade suits your water?
Send us a one-litre sample or describe your process. We test it in our lab free of charge and recommend a grade and starting dose, and quote within 1 business hour.