The Sichuan Yilong Industrial Park Wastewater Treatment Station has a capacity of 2×5000m3/d. The wastewater treatment system consists of the pretreatment section, the biological treatment section, and the further treatment section. BHT Environ provides the BioDopp process for the biological treatment section. The effluent reaches the requirement for direct discharge with reference to class 1A defined in Table 1 of GB18918-2002 Pollutant Discharge Standard of Municipal Wastewater Treatment Plant. Currently, the construction has been completed, and the project is undergoing commissioning.
