FeOOH / VCN catalyst, FeOOH / VCN coated calcium alginate hydrogel ball and preparation method of FeOOH / VCN coated calcium alginate hydrogel ball

By coating carbon vacant graphite phase carbon nitride solid-supported hydroxyferric oxide quantum dots (FeOOH/VCN) catalyst in calcium alginate hydrogel spheres, the problem of low light energy utilization and difficulty in recycling of catalysts in the prior art is solved, and efficient and stable degradation of organic pollutants is achieved.

CN119680604AActive Publication Date: 2025-03-25NORTHEAST NORMAL UNIVERSITY
5 Cites 0 Cited by

Patent Information

Application Number
CN202411868498.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-03-25
Estimated Expiration
2044-12-18

AI Technical Summary

Technical Problem

When dealing with new organic pollutants, existing semiconductor solid-loaded iron catalysts have problems such as low light energy utilization, high probability of photogenerated carrier recombination, low mineralization efficiency and difficult catalyst recovery.

Method used

Carbon vacant graphite phase carbon nitride solid-supported hydroxyferric oxide quantum dots (FeOOH/VCN) catalyst were used and coated in calcium alginate hydrogel spheres. The electronic structure and energy band structure of g-C3N4 were prepared by defect engineering and wet chemistry method to regulate the electronic structure and energy band structure of g-C3N4 to improve the generation and separation efficiency of photogenerated carriers.

Benefits of technology

It realizes stable and efficient degradation of organic pollutants in water under natural light, improves the activity and stability of the catalyst, and simplifies the recovery and utilization of the catalyst.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The invention discloses a FeOOH / VCN catalyst, a FeOOH / VCN coated calcium alginate hydrogel ball and a preparation method of the FeOOH / VCN coated calcium alginate hydrogel ball, the FeOOH / VCN catalyst is a carbon vacancy g-C3N4 immobilized FeOOH QDs (FeOOH / VCN) photo-Fenton catalyst, the FeOOH / VCN catalyst is prepared by combining defect engineering with a wet chemical method, the electronic structure and the energy band structure of g-C3N4 can be regulated and controlled at the atomic level, and the preparation method of the FeOOH / VCN coated calcium alginate hydrogel ball is simple. Generation and separation of photon-generated carriers are directionally promoted, and the performance of FeOOH / VCN in degrading new pollutants in water is effectively improved. The FeOOH / VCN coated CAS hydrogel ball is prepared by organically combining a FeOOH / VCN powder catalyst with excellent photo-Fenton-like performance and calcium alginate hydrogel, so that the stability of the catalyst is ensured, the absorption and utilization of light by the catalyst in the composite material are increased, and the photo-Fenton-like reaction activity is favorably improved.
Need to check novelty before this filing date? Find Prior Art