A soil remediation microbial composition, and a preparation method and application thereof

By using a combination of Pseudomonas aeruginosa, Rhodococcus roseum, Bacillus mucilaginosus, and Acinetobacter juncus, the problem of unstable microbial remediation efficiency in existing technologies has been solved, achieving efficient and synergistic removal of multiple organic pollutants and restoration of soil ecology.

CN122326427APending Publication Date: 2026-07-03CHINESE RES ACAD OF ENVIRONMENTAL SCI
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Patent Information

Application Number
CN202610279289.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-03-09
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing microbial remediation technologies, when dealing with complex contaminated systems, suffer from narrow degradation spectrum and poor environmental adaptability of single strains, as well as a lack of effective synergistic metabolic pathways among bacterial communities. This results in long remediation cycles and unstable efficiency, and traditional immobilization methods have failed to improve core degradation functions.

Method used

A combination of Pseudomonas aeruginosa, Rhodococcus roseum, Bacillus mucilaginosus, and Acinetobacter juncus is used. By mixing them in a specific ratio and combining them with a carrier material, a synergistic degradation chain is formed, which enhances the survival and colonization ability in harsh environments.

Benefits of technology

It achieves synergistic removal of multiple organic pollutants, improves degradation efficiency, enhances resistance to drought, salinity, and heavy metal stress, and causes no secondary pollution after remediation, resulting in rapid soil ecological restoration.

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Abstract

The present application belongs to the field of environmental microbial remediation technology, and particularly relates to a soil remediation microbial composition, a preparation method and application thereof. The soil remediation microbial composition is composed of the following strains: Pseudomonas aeruginosa, Rhodococcus rhodochrous, Bacillus mucilaginosus and Acinetobacter junii; the mass ratio of the Pseudomonas aeruginosa, the Rhodococcus rhodochrous, the Bacillus mucilaginosus and the Acinetobacter junii is 1-3:1-2:0.5-1.5:0.5-1.5, and the total content of the Pseudomonas aeruginosa, the Rhodococcus rhodochrous, the Bacillus mucilaginosus and the Acinetobacter junii is 1x10 9 -1x10 11 CFU. The present application utilizes the metabolism of microorganisms itself, does not introduce chemical reagents, and has no secondary pollution; the biological surfactant has good environmental compatibility, the ecological recovery of soil after remediation is fast, and the degradation efficiency of organic pollutants is high.
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Citation Information

Patent Citations

  • Environment-friendly compound microbial agent

    CN104099281A