The dataset represents the treatment of wastewater generated by conventional converter activities. The average COD content in domestic wastewater in Zhuzhou City, Hunan Province is 0.1759 kg/m3, and BOD is 0.0611 kg/m3. The distribution of wastewater treatment processes in this area are as follows: oxidation ditches account for 53.1%, A²/O accounts for 32.88%, Carrousel oxidation ditch accounts for 6.28%, modified A²/O accounts for 3.68%, SBR accounts for 2.13%, and others account for 1.92%.