Hence, most of the wastewater from the textile industry is
currently mixed and discharged to municipal wastewater
treatment plants with little or even no pre-treatment (Libra
and Sosath, 2003). In fact, when centralized treatment is performed,
the joint treatment with municipal wastewater is
considered to be the optimum alternative, as it can help to
solve many difficulties such as the extreme fluctuations in
flow and wastewater composition (Grau, 1991