LIZhi-gang,TIANWei-feng,NIENan,et al.Design of a High-standard Entirely Underground Wastewater Treatment Plant in a Biomedical Park[J].China Water & Wastewater,2025,41(8):65-70.
Design of a High-standard Entirely Underground Wastewater Treatment Plant in a Biomedical Park
China Water & Wastewater[ISSN:1000-4062/CN:12-1073/TU]
volume:
第41卷
Number:
第8期
Page:
65-70
Column:
Date of publication:
2025-04-17
- Keywords:
- biomedical wastewater; entirely underground wastewater treatment plant; constructed wetland
- Abstract:
- The design capacity of the phase Ⅰ project of biomedical park wastewater treatment plant in Chengdu is 5×104 m3/d, utilizing an entirely underground construction model. Approximately 65% of the influent consists of industrial wastewater, which presents a complex composition. The effluent quality must comply with the class Ⅲ limit specified in Environmental Quality Standards for Surface Water (GB 3838-2002). In accordance with the stringent requirements of the project, the design incorporated a comprehensive process comprising pretreatment, hydrolytic acidification, A2/O-MBR, ozone catalytic oxidation, and constructed wetland. The primary treatment facilities were situated within an underground box, while the surface area was developed as a constructed wetland park. The project has been operational for nearly three years, during which the effluent quality has consistently remained stable and met the limit specified in the discharge standard. The wetland park demonstrates significant environmental benefits and exemplary effects, providing valuable reference for constructing similar wastewater treatment plants in biomedical parks.
Last Update:
2025-04-17