1 KG textiles 4 KG chemicals NEW WAVE GROUP / CSR| 11 Textile dyeing can involve the use of several chemicals. The process of 1 kg fabric could require up to 4 kg of chemicals. Hence, waste water treatment is an essential topic. Tirupur, located in southern India, struggled for a long time with polluted water arising from the local dyeing mills. Today, all mills must ensure zero discharge and the water is re-used in a closed system. The picture was taken when New Wave Group visited the treatment plant Arulpuram in 2013.