A significant portion of the dyes used in the process were cationic dyes. The cationic dyes used fordyeing acrylic fibers consisted of cationic golden yellow X-GL, basicyellow X-8GL, cationic red X-GRL, cationic red X-GTL, cationic bril-liant red X-5GN, and cationic yellow X-5GL. The characteristics ofthe real wastewater are presented in Table 1