A method and application for removing perchlorate pollution in water using agricultural waste

The biological filter column is constructed through activated sludge and agricultural waste to enrich perchlorate degradation bacteria, solve the problem of perchlorate pollution in water bodies, and achieve low-cost and efficient pollution control effect.

CN115448445BActive Publication Date: 2025-08-19SOUTH CHINA AGRICULTURAL UNIVERSITY
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Patent Information

Application Number
CN202211266622.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-10-17
Publication Date
2025-08-19
Estimated Expiration
2042-10-17

AI Technical Summary

Technical Problem

The prior art is difficult to effectively and economically remove perchlorate pollution in water bodies, especially due to its chemical inertia and high water solubility, and conventional methods are expensive and difficult to promote.

Method used

Using activated sludge and agricultural waste, such as straw, husks, etc., through static and dynamic treatment methods, combined with biological filter columns, perchlorate degradation bacteria is enriched to achieve efficient removal of perchlorate in water.

Benefits of technology

The low-cost, secondary pollution-free removal effect of perchlorate is achieved, and the utilization of agricultural waste turns waste into treasure, simplifies the process, and has both multiple functions.

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Abstract

The present invention discloses a method and application for removing perchlorate contamination from water bodies using agricultural waste. This method uses activated sludge and agricultural waste, or activated sludge, vegetable oil, and agricultural waste, to treat perchlorate-contaminated water bodies, using at least one of static and dynamic treatment methods. This method has the following advantages: waste recycling, turning waste into valuable resources; low cost and simple process; bioremediation without secondary pollution; and simultaneous achievement of multiple benefits, achieving multiple goals at once. Therefore, this method has broad application prospects in the treatment of perchlorate-contaminated water bodies.
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