A 5-KBC / Bi2WO6 / Zn 0.05 Composite photocatalysts and their applications
By preparing a 5-KBC/Bi2WO6/Zn0.05 composite photocatalyst, combined with Spartina alterniflora modified biochar and Bi2WO6, the problem of antibiotic residue pollution in aquaculture was solved, achieving efficient removal of antibiotics from water bodies and environmental remediation.
CN122352371APending Publication Date: 2026-07-10ZHEJIANG OCEAN UNIV
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- ZHEJIANG OCEAN UNIV
- Filing Date
- 2026-06-05
- Publication Date
- 2026-07-10
AI Technical Summary
Technical Problem
In high-density aquaculture, antibiotic and drug residues cause water pollution, seriously threatening ecosystems and human health. Existing technologies are insufficient to effectively remove antibiotics from water bodies.
Method used
A 5-KBC/Bi2WO6/Zn0.05 composite photocatalyst was used to construct a photocatalytic system by combining modified Spartina alterniflora biochar with Bi2WO6 and introducing trace amounts of Zn2+ to degrade the antibiotic ciprofloxacin in water.
Benefits of technology
It has achieved efficient removal of antibiotics from water bodies, providing a green and efficient treatment solution, while opening up a resource utilization pathway for the control of invasive plants and reducing the risk of environmental pollution.
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Figure CN122352371A_ABST
Abstract
The present application relates to the technical field of chemical application technology, in particular to a 5-KBC / Bi2WO6 / Zn0.05 composite photocatalyst and application thereof.The present application uses the invasive plant Spartina alterniflora as raw material, impregnates with KOH aqueous solution, and then carbonizes under high temperature in nitrogen atmosphere to prepare KOH-activated biochar material.The present application further combines the biochar material with Bi2WO6, effectively makes up for the deficiency of single Bi2WO6, and improves the photocatalytic performance of the material.On this basis, Zn 2+ is further introduced, a photocatalytic system with excellent performance is constructed, and efficient removal of the antibiotic ciprofloxacin in water is realized.This method not only provides a convenient and low-cost technical solution for the green and efficient treatment of antibiotic wastewater, but also opens up a new resource utilization approach for the treatment of invasive plants.
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