River-side water source nitrate pollution in-situ remediation system and method

Through the in-situ cascade repair system of nitrification and denitrification microorganisms, the problem of repairing composite nitrogen pollution in the water source area of the river is solved, and the synchronization of repair and mining is achieved, ensuring the stability and safety of water quality, avoiding blockage problems, and improving treatment efficiency.

CN120441084AActive Publication Date: 2025-08-08HEFEI UNIV OF TECH
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Patent Information

Application Number
CN202510919039.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-04
Publication Date
2025-08-08
Estimated Expiration
2045-07-04

AI Technical Summary

Technical Problem

The prior art is difficult to effectively treat composite nitrogen pollution (ammonia nitrogen, nitrate, and nitrite coexist) in the water source of the river, and the microbial treatment process is difficult to achieve synchronous operation of repair and mining under dynamic hydrological conditions, which is easy to cause blockage.

Method used

The in-situ cascade repair system of nitrification and denitrification microbials is adopted, including control wells, oxygen-release material storage devices, injection wells and carbon source storage devices. Through an intelligent control system, the investment of sustained oxygen-release materials and carbon source is monitored and regulated in real time to ensure the stability and efficiency of the repair process.

Benefits of technology

In-situ repair of complex nitrogen pollution in the water source area of the river has been achieved, ensuring stable and safe water quality, providing a reliable water source, avoiding blockage problems caused by microbial growth, and improving the efficiency and stability of repair and treatment.

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Abstract

The invention provides an in-situ remediation system and method for nitrate pollution of a riverside water source. The in-situ remediation system comprises an underground water source mining well adjacent to a river; the nitration unit is arranged between the river and the mining well and comprises a control well, an oxygen release material storage device and a first control system; the denitrification unit is arranged between the nitrification unit and the mining well and comprises an injection well, a carbon source storage device and a second control system; the at least one first monitoring well is arranged between the nitrification unit and the denitrification unit and is respectively connected with the first control system and the second control system; and the at least one second monitoring well is arranged between the denitrification units and between the mining wells and is connected with the second control system. According to the in-situ remediation system and method for nitrate pollution in the riverside water source, in-situ remediation can be carried out on compound nitrogen pollution, and remediation and mining are synchronously carried out.
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