The reuse of textile wastewater is an important challenge, specially the effluents from polyester dyeing. In fact, the liquor ratio
(amount of fibre/water) for conventional dyeing of polyester fabrics is generally 1:10–1:20, that implies the use of 10–20 ton water
for each ton fabric. In addition, the consumption of polyester fibre
has increased dramatically in the lasts years. Nowadays this fibre
represents about the 50% of the total world textile fibre consumption and it still has an increasing demand .