The second synthetic dye solution (ww II) which is more similar
to real textile industry wastewater was used [2]. The composition of
the solution was 12 g NaCl, 0.049 g Na3PO4·12H2O, 0.024 g NaNO3,
0.255 g KHSO4, 200mg Reactive Black 5 dye, 200mg Procion Red
MX 5B, the soap and the washing solution from cotton, and 1 g of
yeast for 1 L solution.