Preparation method of efficient noble metal catalyst

A noble metal catalyst and high-efficiency technology, applied in the field of precious metals, can solve the problems of poor utilization of metal oxides, achieve the effects of ensuring uniformity, improving catalytic efficiency, and increasing electron transfer speed

Inactive Publication Date: 2020-04-24
绍兴市梓昂新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problems in the prior art, the present invention provides a preparation method of a high-efficiency noble metal catalyst, which solves the problem of poor utilization of existing metal oxides, adopts a coating structure to ensure that platinum oxide forms a surface structure, and greatly improves the platinum oxide. Electron transfer speed improves the activity of noble metal catalysts

Method used

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Comparison scheme
Effect test

Embodiment 1

[0026] The invention discloses a preparation method of a high-efficiency noble metal catalyst, wherein the noble metal catalyst takes nano-titanium monoxide as the core and platinum oxide as the wrapping layer to form an oxygen-deficient platinum oxide catalyst.

[0027] The platinum oxide comes from tetraammine platinum acetate.

[0028] Including the following steps:

[0029] Step 1, adding tetraammine platinum acetate to distilled water, then adding nano-titanium monoxide powder and stirring evenly to form a slurry;

[0030] Step 2, soaking the substrate in distilled water, cleaning and drying, then spraying dilute hydrochloric acid solution to form a liquid film, rinsing to obtain the substrate to be used;

[0031] Step 3, spraying the slurry evenly on the substrate to be used to form a surface slurry liquid film to obtain a coating substrate;

[0032] Step 4: Put the coating substrate into a sealed reaction kettle for constant temperature reaction for 2 hours, then soak...

Embodiment 2

[0041] The invention discloses a preparation method of a high-efficiency noble metal catalyst, wherein the noble metal catalyst takes nano-titanium monoxide as the core and platinum oxide as the wrapping layer to form an oxygen-deficient platinum oxide catalyst.

[0042] The platinum oxide comes from tetraammine platinum acetate.

[0043] Including the following steps:

[0044] Step 1, adding tetraammine platinum acetate to distilled water, then adding nano-titanium monoxide powder and stirring evenly to form a slurry;

[0045] Step 2, soaking the substrate in distilled water, cleaning and drying, then spraying dilute hydrochloric acid solution to form a liquid film, rinsing to obtain the substrate to be used;

[0046] Step 3, spraying the slurry evenly on the substrate to be used to form a surface slurry liquid film to obtain a coating substrate;

[0047] Step 4, put the coating substrate into a sealed reaction kettle for constant temperature reaction for 5 hours, then soak...

Embodiment 3

[0056]The invention discloses a preparation method of a high-efficiency noble metal catalyst, wherein the noble metal catalyst takes nano-titanium monoxide as the core and platinum oxide as the wrapping layer to form an oxygen-deficient platinum oxide catalyst.

[0057] The platinum oxide comes from tetraammine platinum acetate.

[0058] Including the following steps:

[0059] Step 1, adding tetraammine platinum acetate to distilled water, then adding nano-titanium monoxide powder and stirring evenly to form a slurry;

[0060] Step 2, soaking the substrate in distilled water, cleaning and drying, then spraying dilute hydrochloric acid solution to form a liquid film, rinsing to obtain the substrate to be used;

[0061] Step 3, spraying the slurry evenly on the substrate to be used to form a surface slurry liquid film to obtain a coating substrate;

[0062] Step 4: Put the coating substrate into a sealed reaction kettle for constant temperature reaction for 4 hours, then soak ...

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Abstract

The invention belongs to the field of noble metals, and particularly relates to a preparation method of an efficient noble metal catalyst. The noble metal catalyst takes nano titanium monoxide as a core and platinum oxide as a coating layer to form an anoxic platinum oxide catalyst. The problem of poor utilization rate of the existing metal oxide is solved, a coating structure is adopted, platinumoxide is ensured to form a surface structure, the electron transfer speed of platinum oxide is greatly improved, and the activity of a noble metal catalyst is improved.

Description

technical field [0001] The invention belongs to the field of noble metals, and in particular relates to a preparation method of an efficient noble metal catalyst. Background technique [0002] Due to their irreplaceable catalytic performance and selectivity, noble metal oxide catalysts play an extremely important role in the fields of petroleum, chemical industry, medicine, pesticide, energy and so on. Especially in recent years, with the rapid development of the national economy, the comprehensive construction of the expressway network, and the great improvement of living standards, cars have gradually integrated into people's daily lives. While bringing convenience to the society, they have also brought a series of social problems. , For example, the emission of automobile exhaust is a serious environmental pollution, which to a certain extent restricts the development of the national economy and endangers the health of the masses, becoming an important factor affecting so...

Claims

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Application Information

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IPC IPC(8): B01J23/42C07C45/38C07C47/54
CPCB01J23/42C07C45/38C07C47/54
Inventor朱盼盼
Owner绍兴市梓昂新材料有限公司