RENJun-jun,RENYun,CHENChao,et al.Design of Low Oxygen Aeration Biochemistry and Advanced Treatment Process for Industrial Wastewater Treatment Plant[J].China Water & Wastewater,2024,40(18):75-79.
Design of Low Oxygen Aeration Biochemistry and Advanced Treatment Process for Industrial Wastewater Treatment Plant
China Water & Wastewater[ISSN:1000-4062/CN:12-1073/TU]
volume:
第40卷
Number:
第18期
Page:
75-79
Column:
Date of publication:
2024-09-17
- Keywords:
- industrial wastewater treatment plant; low oxygen biochemical aeration tank; ozone catalytic oxidation tank; activated coke adsorption system
- Abstract:
- To comply with Jiangsu Province’s “333” Action Plan Aimed at Enhancing Urban Sewage Treatment Efficiency and Quality, an economic development zone in Jiangsu plans to construct an industrial wastewater treatment plant to treat industrial wastewater in the park, which initially designed to handle 10 000 m3/d with a future expansion to 20 000 m3/d. The plant will utilize hydrolysis acidification tank + low oxygen biochemical aeration tank + defluorination high-efficiency sedimentation tank + ozone catalytic oxidation tank + active coke adsorption system + rotary disk filter + tailwater wetland treatment process. The dissolved oxygen of the secondary treatment biochemical tank is controlled below 0.5 mg/L, and the sludge concentration is increased to 5-8 g/L, which greatly reduces the operating cost. The advanced treatment processes efficiently remove fluoride and refractory organic compounds from industrial wastewater, ensuring consistent high-quality effluent standards. The total nitrogen of effluent met the Pollutant Discharge Standard for Urban Sewage Treatment Plants (DB 32/4440-2022) of Jiangsu Province. At present, the wastewater treatment plant demonstrates effective treatment outcomes with stable operations, serving as a valuable reference for similar projects.
Last Update:
2024-09-17