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Catalyst for decomposing hydrogen peroxide as well as preparation method and use method of catalyst

A technology for hydrogen peroxide and catalyst, which is applied to the catalyst for decomposing hydrogen peroxide and the fields of its preparation and use, can solve the problems of fast catalytic rate and difficult control, and achieve the effects of convenient access, fast catalytic rate and stable catalytic effect.

Inactive Publication Date: 2017-09-15
上海继伟制药设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The technical problem to be solved by the present invention is to overcome the defect that transition element oxides in the prior art have too fast a catalytic rate as a catalyst and are difficult to control, and provide a catalyst for decomposing hydrogen peroxide and its preparation method and use method

Method used

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  • Catalyst for decomposing hydrogen peroxide as well as preparation method and use method of catalyst
  • Catalyst for decomposing hydrogen peroxide as well as preparation method and use method of catalyst
  • Catalyst for decomposing hydrogen peroxide as well as preparation method and use method of catalyst

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Embodiment 1

[0035] This embodiment provides a catalyst for decomposing hydrogen peroxide, the raw material of which includes an active component and a catalyst carrier, and the active component includes Al 2 o 3 , SiO 2 , CeO 2 , ZrO 2 , MgO, La 2 o 3 、TiO 2 , F 2 、Nd 2 o 3 and Fe 2 o 3 , the catalyst support includes CaO, PdO, HfO 2 ,P 2 o 5 、K 2 O, HCl, Rh, ZnO and As 2 o 3 , the amount of each component in the active component and the catalyst carrier is shown in Table 2.

[0036] The preparation method of the catalyst comprises the following steps: after weighing each raw material, mixing them evenly in a wet mixing mixer, placing them in a mold, and then sintering them in an electric oven at a high temperature of 1000° C. to form a porous ceramic cured product. The structure size of the sintered porous ceramic cured product was measured, and the mesh size was 10 mesh. figure 1 It is a flow chart of the preparation process of the catalyst in this example.

[0037] ...

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Abstract

The invention discloses a catalyst for decomposing hydrogen peroxide as well as a preparation method and a use method of the catalyst. Raw materials of the catalyst comprise an active component and a catalyst carrier, wherein the active component is prepared from Al2O3, SiO2, CeO2, ZrO2, MgO, La2O3, TiO2, F2, Nd2O3 and Fe2O3; the catalyst carrier is prepared from CaO, PdO, HfO2, P2O5, K2O, HCl, Rh, ZnO and As2O3. The preparation method of the catalyst comprises the following steps: uniformly mixing the raw materials and then putting a mixture into a mold; carrying out high-temperature sintering at the temperature of 900 to 1100DEG C to obtain a porous ceramic solidified material, namely the catalyst. The use method of the catalyst comprises the following steps: firstly, introducing the hydrogen peroxide gas into an isolator, and carrying out sterilization treatment; secondly, decomposing the remaining hydrogen peroxide gas by the catalyst until the concentration of the gas is reduced to below 1ppm. The catalyst provided by the invention has the advantages of high catalytic speed, stable catalytic effect and good efficiency and safety.

Description

technical field [0001] The invention relates to a catalyst for decomposing hydrogen peroxide, a preparation method and a use method thereof. Background technique [0002] Hydrogen peroxide began to be used in the sterilization of packaging materials for food equipment in the 1970s. It was officially approved by the US Environmental Protection Agency in the 1980s as a disinfectant and sterilizer that can replace formaldehyde or other disinfectants and meet environmental protection requirements. Although hydrogen peroxide is harmless, it is harmful to the human body and the environment when it appears as a gas molecule. [0003] Hydrogen peroxide has a peroxy bond, and O in -O-O- is not the lowest oxidation state, so it is unstable and easy to break. The decomposition of hydrogen peroxide can be accelerated by irradiation of light with a wavelength of 320-380nm at room temperature, or heating, and the use of a catalyst. The light speed is too slow, heating wastes energy, and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J27/185B01J23/89B01J37/08C04B38/00C04B35/10C01B5/00C01B13/02A61L2/18A61L101/22
CPCB01J27/1853A61L2/18A61L2202/13B01J23/002B01J23/8953B01J37/0018B01J2523/00C01B5/00C01B13/0214C04B35/10C04B38/00C04B2235/3206C04B2235/3224C04B2235/3227C04B2235/3229C04B2235/3232C04B2235/3244C04B2235/3272C04B2235/3418C04B2235/42C04B2235/656B01J2523/13B01J2523/27B01J2523/31B01J2523/22B01J2523/23B01J2523/3706B01J2523/3712B01J2523/3725B01J2523/41B01J2523/47B01J2523/48B01J2523/49B01J2523/51B01J2523/52B01J2523/822B01J2523/824B01J2523/842
Inventor 王幼彤李伟生
Owner 上海继伟制药设备有限公司
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