Method for biologically and physically degrading antibiotics in medicine residues

By combining EM bacteria with Bifidobacterium longum and using segmented temperature-controlled fermentation and ultraviolet-ozone irradiation, the problem of efficient, low-consumption, and non-secondary pollution treatment of antibiotic residues was solved, achieving efficient degradation and resource utilization.

CN122102751APending Publication Date: 2026-05-29JILIN MINZHI ECOLOGICAL AGRICULTURE TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202610295166.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-03-11
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing technologies cannot efficiently, cost-effectively, and without secondary pollution treat antibiotics in drug residues. Chemical degradation methods generate toxic byproducts, physical degradation methods are energy-intensive and have low resource value, and single biological degradation methods are inefficient and pose high safety risks.

Method used

The method employs a combination of EM bacteria and Bifidobacterium longum, along with segmented temperature-controlled fermentation and ultraviolet irradiation. First, the antibiotics are degraded by microbial self-heating. Then, the residual antibiotics are completely degraded by ultraviolet-ozone synergistic irradiation. Finally, the residue is treated by ultra-fine pulverization.

Benefits of technology

It achieves efficient degradation of antibiotics, saves energy, improves resource utilization, with a degradation rate of 96.2%-96.6% and an organic matter retention rate of 91.2%-94.4%, without generating any toxic byproducts.

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Abstract

The invention relates to the technical field of degradation of antibiotics in decoction dregs, in particular to a method for biologically and physically degrading antibiotics in decoction dregs, which comprises the following steps: S1, pretreating decoction dregs; s2, activating and mixing strains; s3, carrying out sectional type temperature control fermentation; step S4, carrying out ultraviolet radiation; and step S5, post-processing. According to the method, part of antibiotics are degraded through early-stage fermentation, the microstructure of the medicine residues is changed through flora metabolism, the antibiotics are released from an organic matter matrix, and meanwhile the energy consumption requirement of follow-up irradiation is reduced through self-heating temperature rise; by means of ultraviolet-ozone synergistic irradiation in the later period, residual antibiotics are thoroughly degraded, the medicine residue organic matter is slightly modified through the weak oxidizing property of ozone, and the nutrient release efficiency when the medicine residue organic matter serves as the organic fertilizer is improved.
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