Anodic oxidation method and production method for titanium oxide coating and method of supporting catalyst

An anodizing method, titanium oxide film technology, applied in anodizing, physical/chemical process catalysts, chemical instruments and methods, etc., can solve the problems of unusability, low solubility, and high price of catalyst-carrying solution, and achieve the improvement of operation. Effect

Inactive Publication Date: 2005-11-23
吉田英夫
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0018] Among them, palladium is generated from palladium chloride and is often used because of its high catalytic effect. However, due to its low solubility in water and the formation of hydrates in aqueous solutions, there is a problem that the catalyst's carrying capacity is reduced.
[0019] For this reason, palladium is usually dissolved in organic solvents such as acetone or ethanol, and the catalyst is supported, thereby causing the catalyst carrying solution to become expensive, and when palladium chloride is dissolved in an acidic solution such as hydrochloric acid, so that when it is carried on the aluminum oxide film, Problems such as corrosion of aluminum oxide film will occur and cannot be used

Method used

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  • Anodic oxidation method and production method for titanium oxide coating and method of supporting catalyst
  • Anodic oxidation method and production method for titanium oxide coating and method of supporting catalyst
  • Anodic oxidation method and production method for titanium oxide coating and method of supporting catalyst

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Embodiment Construction

[0084] Hereinafter, an exemplary embodiment in which the present invention is applied to an anodic oxidation method in which the processed member is aluminum or its alloy will be described. figure 1 Among them, 1 is a bottomed treatment tank made of stainless steel, the inner surface is lined with vinyl chloride, etc., and a detachable cover body 2 is installed on the upper opening.

[0085] The aluminum processed member 3 and the lead plate and other cathode materials 4 that are the object of anodic oxide film formation are suspended in the above-mentioned processing tank 1 through the hooks 5 and 6 in a manner that can enter and exit. These are coupled to the power supply device positive and negative poles.

[0086] Water 7 , such as tap water and distilled water, which is an electrolytic solution generation material is contained in the treatment tank 1 , and a water supply pipe 9 connected to a water supply source 8 is connected to the peripheral surface of the upper end. ...

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Abstract

PROBLEM TO BE SOLVED: To provide a method for supporting catalyst which is suitable for catalyst support, for example, on anodized aluminum surface, is capable of preparing a catalyst supporting solution with inexpensive raw material, is capable of supporting catalyst safely, reliably and, moreover, highly precisely and efficiently without corroding base material, recovering catalytic material and catalyst solution supplied for the catalyst supporting and permitting the recycling of the catalytic material and catalyst solution.

Description

technical field [0001] The present invention relates to an anodic oxidation method and a method for manufacturing a titanium oxide film and a catalyst carrying method, which is suitable for the anodic oxidation of aluminum or titanium, and the catalyst carrying on the surface of an aluminum oxide film (Alumite), without using strong acidic or strongly alkaline electrolytes, Using carbonated water, which is cheap and easy to treat as the electrolyte, can safely and easily form an oxide film, achieving the effect of improving the production process and rationalizing the drainage treatment. At the same time, the sealing treatment of the oxide film can be controlled by a simple method. Reasonable and easy implementation of dyeing of oxide film and catalyst support, can be applied to the dyeing method of oxide film and catalyst manufacturing method, in addition, it can carry out safe, reliable, high-precision and high-efficiency catalyst support without eroding the base material , ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D11/06B01J37/34C25D11/18C25D11/26
CPCB01J37/348C25D11/06C25D11/26C25D11/02
Inventor 吉田英夫阿部健太郎左近清人
Owner 吉田英夫
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