Agricultural non-point source pollution treatment system

Through a multi-stage purification system and intelligent control of ecological ditches and reservoirs, the problem of low efficiency in agricultural non-point source pollution control in existing technologies has been solved. It achieves efficient removal of suspended solids, particulate matter and dissolved pollutants, adapts to different hydrological conditions, improves the treatment effect and realizes resource utilization.

CN122079401APending Publication Date: 2026-05-26CHINA AGRI UNIV
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Patent Information

Application Number
CN202610335818.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-03-18
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing technologies are not very effective in controlling agricultural non-point source pollution, especially in removing dissolved pollutants. They are also difficult to maintain stable and high efficiency under different hydrological conditions. Traditional measures lack coordination and integration, resulting in low treatment efficiency.

Method used

A multi-level synergistic purification system employing ecological ditch units and ecological reservoir units, combined with an intelligent control unit, utilizes a combination of plant-enhanced corridors, ecological filter dams, flocculation sedimentation, enhanced denitrification zones, and stabilization zones. By leveraging the synergistic effect of microbial membranes and plant roots, it achieves efficient removal of suspended solids, particulate matter, and dissolved pollutants. Furthermore, it achieves dynamic control through real-time water quality monitoring and valve linkage.

Benefits of technology

It achieves efficient and stable treatment of agricultural non-point source wastewater, can adapt to high load conditions in the rainy season and low water conditions in the dry season, improves pollutant removal efficiency, realizes resource utilization, reduces dependence on chemical fertilizers, and enhances biodiversity and landscape beautification effects.

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Abstract

The invention discloses an agricultural non-point source pollution treatment system, and relates to the technical field of agricultural environmental protection and water treatment, and the agricultural non-point source pollution treatment system comprises an ecological ditch unit, an ecological pond unit, a connecting pipeline and a control unit; the ecological ditch unit is used for carrying out primary pretreatment on sewage through a plant enhanced corridor and an ecological filter dam to remove suspended solids and part of pollutants; the ecological reservoir pond unit realizes deep purification through a multi-stage process of flocculent precipitation, enhanced denitrification, ecological treatment and a stable area; the control unit intelligently regulates and controls water flow based on water quality monitoring data, water reaching the standard is directly reused in farmland or lakes, and water not reaching the standard enters a pond to be further treated. According to the invention, stepped deep removal of pollutants, cyclic utilization of water resources and self-adaptive operation of the system are realized, and the treatment efficiency and stability are improved.
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