Method for preparing expanded graphite load nanometer bismuth vanadate photochemical catalyst
A technology of expanded graphite and photocatalyst, which is applied in chemical instruments and methods, physical/chemical process catalysts, metal/metal oxide/metal hydroxide catalysts, etc., and can solve problems such as unsatisfactory treatment effects and limited photoresponse range , to achieve the effect of simple preparation method, low equipment requirements and low cost
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Example Embodiment
[0022] Example 1
[0023] (1) Add bismuth nitrate and disodium ethylenediaminetetraacetic acid to the phosphate buffer, stir magnetically for 15 minutes to form a suspension; first dissolve the sodium metavanadate evenly in the phosphate buffer, and then add it dropwise In the above suspension, magnetically stirred uniformly to form a transparent solution; the amount and concentration of bismuth nitrate, sodium metaaluminate and disodium edetate are all 0.01mol / L, and the phosphate buffer is made of 0.025mol / L sodium dihydrogen phosphate and 0.05mol / L sodium hydrogen phosphate;
[0024] (2) Adjust the pH value of the above transparent solution with a concentration of 0.5mol / L sodium hydroxide solution to 4.5, and then add expanded graphite at 60°C. The mass ratio of bismuth salt to expanded graphite is 1:5, continuous magnetic force After stirring and mixing, refluxing for 6 hours, centrifuging, filtering, and washing, a yellow product can be obtained. Finally, the obtained produ...
Example Embodiment
[0025] Example 2
[0026] (1) Add bismuth chloride and sodium gluconate to the phosphate buffer, magnetically stir for 35 minutes to form a suspension; first dissolve the ammonium metavanadate evenly in the phosphate buffer, and then add dropwise to the above suspension In the liquid, the magnetic force is evenly stirred to form a transparent solution; the amount of bismuth chloride is 0.06mol / L, the amount of sodium gluconate is 0.03mol / L, and the amount of ammonium metaaluminate is 0.06mol / L. L, phosphate buffer is composed of 0.03mol / L sodium dihydrogen phosphate and 0.08mol / L sodium hydrogen phosphate;
[0027] (2) Adjust the pH value of the above transparent solution with a potassium hydroxide solution with a degree of 1mol / L to 7, and then add expanded graphite at 80°C, where the mass ratio of bismuth salt to expanded graphite is 1:12, continuous magnetic stirring After mixing, refluxing for 15 hours, centrifuging, filtering, and washing, a yellow product can be obtained. Fi...
Example Embodiment
[0028] Example 3
[0029] (1) Add bismuth acetate and butane tetracarboxylic acid to the phosphate buffer, magnetically stir for 60 minutes to form a suspension; first dissolve potassium metavanadate in the phosphate buffer, and then add it dropwise to the above suspension In the turbid liquid, magnetically stirred uniformly to form a transparent solution; the amount concentration of bismuth acetate substance is 0.15 mol / L, the amount concentration of butane tetracarboxylic acid substance is 0.05 mol / L, and the amount concentration of potassium metaaluminate and sodium is 0.15mol / L, phosphate buffer is composed of 0.05mol / L sodium dihydrogen phosphate and 0.1mol / L sodium hydrogen phosphate;
[0030] (2) Adjust the pH of the above transparent solution to 9 with a sodium hydroxide aqueous solution with a concentration of 1.5mol / L, and then add expanded graphite at 100°C. The mass ratio of bismuth salt to expanded graphite is 1:20, continuous magnetic force After stirring and mixing,...
PUM

Abstract
Description
Claims
Application Information

- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.
© 2023 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap