ZHANG Dan-dan,NIU He-xin,YU Kai-chang,et al.Application of Submerged Ultrafiltration Membrane and Ozone Contact Oxidation Process in a WWTP Upgrading and Reconstruction Project[J].China Water & Wastewater,2021,37(16):119-123.
浸没式超滤+臭氧氧化用于某污水处理厂提标改造
- Title:
- Application of Submerged Ultrafiltration Membrane and Ozone Contact Oxidation Process in a WWTP Upgrading and Reconstruction Project
- Keywords:
- wastewater treatment plant; upgrading and reconstruction; IFAS; submerged ultrafiltration; ozone contact oxidation
- 摘要:
- 为配合伊通河水生态治理，对长春某污水处理厂进行提标改造，提标改造工程处理规模为68×104 m3/d。针对进水可生化性差、出水标准高、厂区可利用土地紧张以及尽量利用厂区原有构筑物和设备的实际情况，确定本次提标改造工程采用IFAS工艺（原生化池改造）+浸没式超滤+臭氧接触氧化的工艺路线，进一步去除污水中的COD、BOD5、SS、NH3-N、TP和色度。提标改造完成后出水水质达到北京市《城镇污水处理厂水污染物排放标准》（DB 11/890—2012）的B标准。介绍了处理工艺流程和各处理工艺的主要设计参数、设备配置和工程占地，并重点介绍了浸没式超滤系统的设计、运行方式、投资及处理成本等。
- Abstract:
- In order to cooperate with the ecological management of Yitong River, a wastewater treatment plant (WWTP) in Changchun was upgraded and reconstructed, and the treatment capacity of the upgrading project was 68×104 m3/d. In view of the characteristics such as poor biodegradability of influent, high standard of effluent, shortage of available land and maximum use of the original structures and equipments of the WWTP, the combined process of integrated fixedfilm activated sludge (IFAS) transformed from the original biochemical tank, the submerged ultrafiltration membrane process (SUF) and ozone contact oxidation was determined to further remove the COD, BOD5, SS, NH3-N, TP and chroma. After upgrading, the effluent reaches the level B criteria in Discharge Standard of Water Pollutants for Municipal Wastewater Treatment Plants (DB 11/890-2012). The process flow, main design parameters, equipment configuration and occupied area of each process were introduced. The design, operation mode, investment and treatment cost of the SUF were introduced emphatically.
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