Most of the textile processing parks in the state likely to be hit by the centre’s proposal of making zero liquid discharge system mandatory for textile units having waste water discharge more than 25 kld (kilo litres a day) as the owners find the cost of implementing it high.

The centre had issued a draft notification in this regard recently and sought views from the industry.

The Southern India Mills’ Association (SIMA) to bring the cost of processing and effluent treatment down has proposed two processing parks – one at Cuddalore and the other at Ramanathapuram – with marine discharge system. It has already invested about Rs. 75 crore to create common infrastructure and effluent treatment systems at Cuddalore.

If the centre makes the zero liquid discharge (ZLD) system mandatory, the entire project at Cuddalore will be hit. The cost for setting up evaporators is huge and hence, the ZLD is viable for units making value added products, a representative of the association said.

In a memorandum submitted to the Tamil Nadu Pollution Control Board, the SIMA has urged for taking up the issue with the Central Pollution Control Board so that marine discharge systems are accepted.

According to the Confederation of Indian Textile Industry, technology and equipment for ZLD requires huge space, investment and recurring cost and the small and medium-scale enterprises find it difficult to operate the plants. Sudden change from present standards of discharging of waste water to 100 per cent recycling will not only affect the performance of the industry but also limit its growth in the global trade, it said.