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Process for manufacturing titanium anode by once oxidation

A titanium anode and process technology, applied in the field of preparation of coated electrodes, can solve the problems of wasting electric energy and manpower, cumbersome steps, etc., and achieve the effect of reducing production costs

Inactive Publication Date: 2017-03-22
江苏云瑞环境科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the production methods of titanium-coated anodes require multiple coatings of metal salt coating solutions, and then undergo multiple high-temperature oxidations. The steps are cumbersome and waste electric energy and manpower.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] A kind of primary oxidation manufacture titanium anode process, its operation method comprises the steps:

[0046] 1) The titanium plate is dried after mechanical processing, sand blasting, degreasing, pickling, and deionized water washing;

[0047] 2) Preparation of coating solution: add 50ml of ethanol and 50ml of isopropanol, and stir evenly with ultrasonic;

[0048] 3) Add 5 g of ethyl acetate as an additive to the solvent formed in step 2, and ultrasonically stir;

[0049] 4) Add 1g of chloroiridic acid, 1g of ruthenium trichloride, 1g of tantalum pentachloride and 1g of chloroplatinic acid to the solution formed in step 3, and stir evenly with ultrasound;

[0050] 5) Use the manual brush coating method to evenly coat the coating solution in step 4 on the titanium plate in step 1. After the solvent is naturally volatilized at room temperature until the surface is dry, enter the electric furnace at 500°C and oxidize at high temperature for 25 minutes. ;

[0051] ...

Embodiment 2

[0053] 1) The titanium plate is dried after mechanical processing, sand blasting, degreasing, pickling, and deionized water washing;

[0054] 2) Preparation of coating solution: add 50ml of ethanol and 50ml of isopropanol to form a mixed solvent, and stir evenly with ultrasonic;

[0055] 3) Add 5 g of ethyl acetate and 5 g of paraffin oil as additives to the solvent formed in step 2, and ultrasonically stir;

[0056] 4) Add 1g of chloroiridic acid, 1g of ruthenium trichloride, 1g of tantalum pentachloride and 1g of chloroplatinic acid to the solution formed in step 3, and stir evenly with ultrasound;

[0057] 5) Use the manual brush coating method to evenly coat the coating solution in step 4 on the titanium plate in step 1. After the solvent is naturally volatilized at room temperature until the surface is dry, enter the electric furnace at 500°C and oxidize at high temperature for 25 minutes. ;

[0058] 6) After the time is up, take it out from the electric furnace, and co...

Embodiment 3

[0060] 1) The titanium plate is dried after mechanical processing, sand blasting, degreasing, pickling, and deionized water washing;

[0061] 2) Coating liquid preparation: add 50ml n-butanol as solvent;

[0062] 3) Add 5 g of turpentine and 5 g of terpineol as additives to the solvent formed in step 2, and ultrasonically stir;

[0063] 4) Add 1g of chloroiridic acid, 1g of ruthenium trichloride, 1g of tantalum pentachloride and 1g of chloroplatinic acid to the solution formed in step 3, and stir evenly with ultrasound;

[0064] 5) Use the manual brush coating method to evenly coat the coating solution in step 4 on the titanium plate in step 1. After the solvent is naturally volatilized at room temperature until the surface is dry, enter the electric furnace at 500°C and oxidize at high temperature for 25 minutes. ;

[0065] 6) After the time is up, take it out from the electric furnace, and cool it to room temperature in the air, which is the titanium anode.

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PUM

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Abstract

The invention discloses a process for manufacturing titanium anode by once oxidation. The process comprises the following operation steps: 1) a titanium plate is dried for future use after treatment; 2) preparation of coating liquid: 50-100 ml ethanol, isopropanol or butanol or mixed solvent of two thereof is added for ultrasonically and uniformly stirring; 3) 5-10 g ethyl acetate, paroline, turpentine, terpilenol or acetone or two thereof is added in the solvent as additive for ultrasonically and uniformly stirring; 4) 1-10g chloroiridic acid, ruthenium trichloride, tantalum chloride and chloroplatinic acid are added in the solution for ultrasonically and uniformly stirring; 5) the coating liquid is uniformly coated on the titanium plate in the step 1) by a manual brush coating method, is naturally volatilized at room temperature to dry the surface, and enters an electric furnace of 500 DEG C for high-temperature oxidation by 25-180 min; and 6) after the time is up, the titanium plate is taken out from the electric furnace for cooling in air to reach the room temperature to become the titanium anode. The process can achieve better effect through once coating and high-temperature oxidation, and obviously reduces the production cost of the titanium anode.

Description

technical field [0001] The invention relates to a preparation method of a coating electrode, in particular to a process for producing a titanium anode by primary oxidation. Background technique [0002] Metal-coated anodes are made of titanium substrates coated with metal oxides. Due to their stable performance and environmental friendliness, they have been applied to many electrochemical industries such as electrolysis of water, electroplating, and chlor-alkali. Commonly used coated titanium anodes include ruthenium oxide coated electrodes, iridium oxide coated electrodes, platinum coated electrodes, ruthenium iridium oxide coated electrodes, iridium tantalum oxide coated electrodes, etc. The research, development and application of these electrodes have greatly promoted the development of electric Advances in the chemical industry. At present, the manufacturing methods of titanium-coated anodes all need to coat the metal salt coating solution multiple times, and then unde...

Claims

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Application Information

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IPC IPC(8): C23C8/62
CPCC23C8/62
Inventor 张冰顾振华朱君军赵吉章宏燕
Owner 江苏云瑞环境科技股份有限公司
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