The problem is the harsh chemicals in our dye runoff that poisoned our Noyyal river, and zero liquid discharge means recycling every drop of water until no waste water is let out. After the court order, the cost jumped by maybe ₹15-20 per kilo of cloth. But for a small unit like mine, installing the ZLD plant was like buying a mountain—we took a huge loan, hajur. Now, my own nephew runs the plant, and I joke that his chemistry degree is the most expensive thing I ever bought.
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