Research progress of decentralized domestic sewage treatment technology

LI Peng; ZHOU Weiqing; WANG Rui; BAI Xiaoxuan; ZHOU Zilong; LI Chao

doi:10.13205/j.hjgc.202601003

Volume 44 Issue 1

Jan. 2026

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LI Peng, ZHOU Weiqing, WANG Rui, BAI Xiaoxuan, ZHOU Zilong, LI Chao. Research progress of decentralized domestic sewage treatment technology[J]. ENVIRONMENTAL ENGINEERING , 2026, 44(1): 21-30. doi: 10.13205/j.hjgc.202601003

Citation:

LI Peng, ZHOU Weiqing, WANG Rui, BAI Xiaoxuan, ZHOU Zilong, LI Chao. Research progress of decentralized domestic sewage treatment technology[J]. ENVIRONMENTAL ENGINEERING , 2026, 44(1): 21-30. doi: 10.13205/j.hjgc.202601003

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Research progress of decentralized domestic sewage treatment technology

doi: 10.13205/j.hjgc.202601003

1. Electric Power Research Institute, State Grid Jibei Electric Power Co., Ltd., Beijing 100045, China

Received Date: 2024-12-03
Available Online: 2026-02-26
Publish Date: 2026-01-22

Abstract

Abstract

Decentralized domestic sewage， characterized by its small discharge volume， fluctuating water quality， and high organic content， affects the green development and water environment safety of decentralized residential areas， primarily in rural regions， and threatens the physical and mental health of residents. Research on decentralized domestic sewage treatment technology is significant for improving the ecological environment of decentralized residential areas， increasing water supply and reducing water pollution， improving the capacity of domestic sewage treatment in decentralized residential areas， and promoting sustainable development. This paper analyzed the sources and discharge characteristics of such sewage and systematically reviewed the research progress in aerobic biological treatment， anaerobic biological treatment， natural ecological treatment， and combined multi-technology processes. It compared various technologies in terms of their advantages， disadvantages， cost， and removal efficiency. The comparison revealed that biological treatment technologies generally offer higher removal efficiency， while anaerobic biological treatment technologies have a wide range of adaptability， and natural ecological purification technologies have lower operating costs. Therefore， combined multi-technology processes should be the primary direction for future development. In addition， this paper discussed the current situation and future trends of these treatment technologies， as well as the needs and prospects for efficient， green， and sustainable solutions. Finally， suggestions were put forward for selecting appropriate technologies， with a view to providing reference and support for the management of decentralized domestic sewage and for the application and development of related treatment technologies.
- decentralized domestic sewage,
- aerobic biological treatment,
- anaerobic biological treatment,
- natural ecological purification,
- combined process

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References(75)

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