Analysis and research on integrated method for total nitrogen removal in sewage treatment

TIANJIN SCIENCE & TECHNOLOGY ›› 2025, Vol. 52 ›› Issue (3): 27-30.

• Applied Technology • Previous Articles Next Articles

Analysis and research on integrated method for total nitrogen removal in sewage treatment

PAN Jixin^1,2, QI Yanan^1,2, LIU Tongwei^1,2, LIU Jiabo^1,2,*

1. Tianjin TEDA Water Industry Co.,Ltd.,Tianjin 300457, China;
2. Tianjin TEDA Tsinlien Water Supply Co.,Ltd.,Tianjin 300457, China

Received:2025-02-05 Online:2025-03-25 Published:2026-01-05

Abstract

Abstract: The low total nitrogen removal rate in sewage treatment plants has long been a problem plaguing sewage plants,seriously restricting the safe operation and environmental compliance capacity of sewage plants. Based on an in-depth analysis and research,combined with actual cases,this paper proposes a series of integrated methods,including process flow optimization,denitrification filter transformation,denitrifying bacteria cultivation,and operation parameter adjustment. Through the implementation of these integrated methods,the total nitrogen removal rate of the sewage treatment plant has significantly improved,providing referable experience and references for similar sewage plants.

Key words: sewage treatment, total nitrogen removal, nitrification-denitrification, dissolved oxygen control, intermittent aeration

CLC Number:

X703

PAN Jixin, QI Yanan, LIU Tongwei, LIU Jiabo. Analysis and research on integrated method for total nitrogen removal in sewage treatment[J]. TIANJIN SCIENCE & TECHNOLOGY, 2025, 52(3): 27-30.

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Analysis and research on integrated method for total nitrogen removal in sewage treatment

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