In-situ remediation system for refuse landfill

By adding nutrient components and remediation components to the in-situ remediation system of the landfill, the problem of slow microbial reproduction in the existing technology is solved, and a faster garbage degradation effect is achieved.

CN223352525UActive Publication Date: 2025-09-19BEIJING KEAL AILIN ENVIRONMENTAL PROTECTION TECH
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Patent Information

Application Number
CN202421945717.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-13
Publication Date
2025-09-19
Estimated Expiration
2034-08-13

AI Technical Summary

Technical Problem

In the initial stage of construction, the existing in-situ remediation system of landfills can only ensure the environmental factors for microbial reproduction, but cannot properly add nutrients, resulting in slow microbial reproduction and a long time to degrade garbage.

Method used

A landfill in-situ remediation system was designed, which includes a cover layer, a garbage layer, a drainage layer, a remediation component and a nutrient component. The nutrient component can appropriately add nutrients at the initial stage of construction, detect the content and activity of microorganisms, and use the remediation component to extract air for detection.

Benefits of technology

It shortens the time required for microorganisms to reach a stable state of garbage degradation, improves work efficiency, and enables garbage to be effectively degraded faster.

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Abstract

The utility model relates to an in-situ remediation system for a refuse landfill, which belongs to the technical field of refuse landfill remediation and comprises a covering layer, a refuse layer is arranged at the bottom of the covering layer, a discharge layer is arranged at the bottom of the refuse layer, and a remediation component for in-situ remediation is mounted on the outer side of the covering layer. A nutrition component for supplementing nutrition is mounted at the top of the covering layer; the nutrition assembly comprises two conveying pipes which penetrate through and are fixedly connected to the top of the covering layer, a liquid discharging pipe fixed between the bottom ends of the two conveying pipes, a sampling pipe which penetrates through and is fixed to the top of the covering layer, a screen pipe fixed to the bottom end of the sampling pipe, and a sampling air pump fixedly installed at the top of the covering layer. According to the in-situ remediation system for the refuse landfill, nutrition can be properly added to microorganisms in the early stage of construction, meanwhile, air can be conveniently extracted, the content and activity of the microorganisms in the system can be detected, and the time needed for achieving the stable degradation state of the refuse is greatly shortened.
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