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Preparation and Application of Uranium Oxides with Photocatalytic Degradation of Ciprofloxacin

A technology of ciprofloxacin and uranium oxide, which is applied in the field of photocatalytic new material preparation, can solve the problems of high equipment and operation requirements, a large amount of organic waste in exhaust gas, strong corrosiveness, etc., and achieves good uniformity, reduced harm and contact uniform effect

Active Publication Date: 2022-05-03
NANHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above-mentioned ozone treatment method has the disadvantages of high equipment and operation requirements and high energy consumption in the actual operation process; the solvent extraction process based on concentrated hot nitric acid has strong corrosion, poor safety, and will produce NO X Exhaust gas and a large amount of organic waste and ammonia-containing waste liquid

Method used

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  • Preparation and Application of Uranium Oxides with Photocatalytic Degradation of Ciprofloxacin
  • Preparation and Application of Uranium Oxides with Photocatalytic Degradation of Ciprofloxacin
  • Preparation and Application of Uranium Oxides with Photocatalytic Degradation of Ciprofloxacin

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1, the preparation of uranium oxide with photocatalytic degradation activity of ciprofloxacin comprises the following steps:

[0023] A. First put the uranyl nitrate solution in the reaction kettle, and then put the H 2 o 2 Slowly added to the uranyl nitrate solution and mixed to obtain the uranyl nitrate solution and H 2 o 2 The mixed solution, then the mixed solution was continuously stirred for 5min in the reaction kettle.

[0024] Among them, uranyl nitrate solution and H 2 o 2 The volume ratio is 1:2; the concentration of uranyl nitrate solution is 0.5 / L, H 2 o 2 The concentration is 1 / L.

[0025] B. Add an inducer to the mixed solution after stirring, and then continue to stir for 4 hours. The inducer is triethanolamine.

[0026] C. The stirred mixed solution is subjected to solid-liquid separation, and then the separated solid is washed with water, and then the washed solid is heat-treated at 50°C, and the powdery solid after heat treatment is ...

Embodiment 2

[0027] Embodiment 2, the preparation of uranium oxide with photocatalytic degradation activity of ciprofloxacin, comprises the following steps:

[0028] A. First put the uranyl nitrate solution in the reaction kettle, and then put the H 2 o 2 Slowly added to the uranyl nitrate solution and mixed to obtain the uranyl nitrate solution and H 2 o 2 The mixed solution, then the mixed solution was continuously stirred in the reactor for 8min.

[0029] Among them, uranyl nitrate solution and H 2 o 2 The volume ratio is 1:2; the concentration of uranyl nitrate solution is 1mol / L, H 2 o 2 The concentration is 2mol / L.

[0030] B. Add an inducer to the mixed solution after stirring, and then continue to stir for 3 hours. The inducer is triethanolamine.

[0031] C. The stirred mixed solution is subjected to solid-liquid separation, and then the separated solid is washed with water, and then the washed solid is heat-treated at 100°C. The powdery solid after heat treatment is photoc...

Embodiment 3

[0032] Embodiment three, the preparation of uranium oxide with photocatalytic degradation activity of ciprofloxacin, comprises the following steps:

[0033] A. First put the uranyl nitrate solution in the reaction kettle, and then put the H 2 o 2 Slowly added to the uranyl nitrate solution and mixed to obtain the uranyl nitrate solution and H 2 o 2 The mixed solution, then the mixed solution was continuously stirred in the reaction kettle for 10min.

[0034] Among them, uranyl nitrate solution and H 2 o 2 The volume ratio is 1:2; the concentration of uranyl nitrate solution is 1.5mol / L, H 2 o 2 The concentration is 3mol / L.

[0035] B. Add an inducer to the mixed solution after stirring, and then continue to stir for 2 hours. The inducer is tri-n-propylamine.

[0036] C. The stirred mixed solution is subjected to solid-liquid separation, and then the separated solid is washed with water, and then the washed solid is heat-treated at 120°C. The powdery solid after heat tr...

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Abstract

Preparation and application of uranium oxide with photocatalytic degradation activity of ciprofloxacin, the preparation includes: uranyl nitrate / uranyl acetate and H 2 o 2 ; According to the volume ratio of 1:2 to H 2 o 2 Slowly add to the uranyl nitrate / uranyl acetate solution, mix and stir; add the inducer to the stirred solution and stir again; centrifuge, wash, dry and heat-treat the stirred solution again to obtain a powder The solid is uranium oxide with photocatalytic degradation activity of ciprofloxacin. The preparation of the uranium oxide has the characteristics of rapidity, high efficiency, environmental protection and the like, and the prepared uranium oxide product has good stability and uniformity. The uranium oxide prepared by the invention has photocatalytic activity under the irradiation of LED lamps, can effectively degrade the toxicity of ciprofloxacin, reduce the adverse effects of ciprofloxacin on human health and ecological environment, and avoid environmental pollution.

Description

technical field [0001] The invention relates to the field of photocatalytic new material preparation, in particular to the preparation and application of uranium oxide with photocatalytic degradation activity of ciprofloxacin. Background technique [0002] Ciprofloxacin (ciprofloxacin, CIP, C 17 h 18 FN 3 o 3 ), as a third-generation synthetic quinolone drug, is a broad-spectrum antibiotic for the prevention and treatment of bacterial infections, and is widely used in animal husbandry and aquaculture. CIP, which is difficult to biodegrade, is easy to accumulate in the water environment, and can enter organisms through the food chain, thereby endangering the health of organisms. In recent years, there have been research reports on the removal of antibiotics by electrolysis, adsorption, biochemical treatment methods, membrane separation and other technologies. These methods have disadvantages such as high cost, low activity, and low stability to varying degrees. It is urg...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01G43/01B01J23/10B01J35/02C02F1/30C02F101/34C02F101/36C02F101/38B01J35/00
CPCC01G43/01C02F1/30B01J23/10C02F2101/34C02F2101/36C02F2101/38C02F2305/10C01P2002/72C01P2002/82B01J35/40B01J35/39
Inventor 赵玉宝苏秋硕胡倩
Owner NANHUA UNIV