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Method for utilizing visible light to drive aminophenol formaldehyde resin to catalytically synthesize hydrogen peroxide

An aminophenol, formaldehyde resin technology, applied in chemical instruments and methods, peroxide/peroxyhydrate/peroxyacid/superoxide/ozone, inorganic chemistry, etc., can solve the problem of increasing environmental risks and production costs and other problems, to achieve the effect of easy industrial production and processing, low price and safe operation

Active Publication Date: 2020-12-22
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The catalysis and the need to use heavy metal chromium or precious metal silver, indium, etc. in the synthesis process will increase the environmental risk and production cost of the product in the use process. In the prior art, there is no use of aminophenol formaldehyde resin to prepare hydrogen peroxide. any reports of

Method used

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  • Method for utilizing visible light to drive aminophenol formaldehyde resin to catalytically synthesize hydrogen peroxide
  • Method for utilizing visible light to drive aminophenol formaldehyde resin to catalytically synthesize hydrogen peroxide
  • Method for utilizing visible light to drive aminophenol formaldehyde resin to catalytically synthesize hydrogen peroxide

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Embodiment 1

[0040] A method utilizing visible light to drive aminophenol formaldehyde resin to catalyze the synthesis of hydrogen peroxide, comprising the following steps:

[0041] 1. Preparation of aminophenol formaldehyde resin: add 3-aminophenol into the aqueous solution, after it is completely dissolved, add formaldehyde (37% aqueous solution) and ammonia water, and the reaction solution formed is stirred and hydrolyzed for a certain period of time, and then centrifuged, washed and dried Obtain described aminophenol formaldehyde resin afterward.

[0042] The concentration of 3-aminophenol described in step 1 is 0.03mol / L.

[0043] The concentration of formaldehyde in the reaction solution described in step 1 is 0.06mol / L.

[0044] The concentration of ammonia water in the reaction solution in step 1 is 0.86mol / L.

[0045] The volume of the aqueous solution described in step 1 is 60mL.

[0046] The stirring speed in the stirring hydrolysis reaction process described in step 1 is 400...

Embodiment 2

[0058] A method utilizing visible light to drive aminophenol formaldehyde resin to catalyze the synthesis of hydrogen peroxide, comprising the following steps:

[0059] 1. The preparation of aminophenol formaldehyde resin: 3-aminophenol is added in the aqueous solution, after dissolving completely, add formaldehyde (37% aqueous solution) and ammonia water, the reaction solution formed carries out stirring hydrolysis reaction, obtains after centrifugation, washing and drying The aminophenol formaldehyde resin.

[0060] The concentration of 3-aminophenol described in step 1 is 0.04mol / L.

[0061] The concentration of formaldehyde in the reaction solution described in step 1 is 0.08mol / L.

[0062] The concentration of ammoniacal liquor in the reaction solution in step 1 is 1.47mol / L.

[0063] The volume of the aqueous solution described in step 1 is 90mL.

[0064] The stirring speed in the synthesis process described in step 1 is 500r / min.

[0065] The stirring hydrolysis rea...

Embodiment 3

[0076] A method utilizing visible light to drive aminophenol formaldehyde resin to catalyze the synthesis of hydrogen peroxide, comprising the following steps:

[0077] 1. The preparation of aminophenol formaldehyde resin: 3-aminophenol is added in the aqueous solution, after dissolving completely, add formaldehyde (37% aqueous solution) and ammonia water, the reaction solution formed carries out stirring hydrolysis reaction, obtains after centrifugation, washing and drying The aminophenol formaldehyde resin.

[0078] The concentration of 3-aminophenol described in step 1 is 0.06mol / L.

[0079] The concentration of formaldehyde in the reaction solution described in step 1 is 0.06mol / L.

[0080] The concentration of ammonia water in the reaction solution described in step 1 is 1.72mol / L.

[0081] The volume of the aqueous solution described in step 1 is 50mL.

[0082] The stirring speed in the synthesis process described in step 1 is 600r / min.

[0083] The stirring hydrolys...

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Abstract

The invention provides a method for utilizing visible light to drive aminophenol formaldehyde resin to catalytically synthesize hydrogen peroxide, and belongs to the field of application of semiconductor photocatalysts. The method for synthesizing hydrogen peroxide comprises the following steps: conducting hydrolyzing at normal temperature and normal pressure to prepare aminophenol formaldehyde resin nanospheres with visible light catalytic performance; and then dispersing the aminophenol formaldehyde resin nanospheres into an aqueous solution, and directly synthesizing hydrogen peroxide by utilizing sunlight or visible light at normal temperature and normal pressure. The production process provided by the invention has the advantages of safety and simplicity in operation, low cost, environmental friendliness, convenience in industrialization and the like. The aminophenol formaldehyde resin photocatalyst provided by the invention is excellent in performance, and the produced hydrogen peroxide is high in purity.

Description

technical field [0001] The invention relates to the technical field of catalyst preparation, in particular to a method for catalytically synthesizing hydrogen peroxide, in particular to a method for catalytically synthesizing hydrogen peroxide by using visible light to drive aminophenol formaldehyde resin. Background technique [0002] Hydrogen peroxide (H 2 o 2 ) is a high-efficiency, green and environmentally friendly oxidizing agent. During the reaction, in addition to H 2 O and O 2 In addition, it does not produce any toxic by-products and is one of the most important chemicals in the world. Due to these advantages, H 2 o 2 It is more and more widely used in the fields of environmental protection, pulp bleaching, pharmaceutical industry and organic synthesis. Currently, only the domestic market is 2 o 2 The demand has increased to 20 million tons (2018), and is growing at a rate of 10% per year. [0003] Anthraquinone oxidation (AQ) is the industrial production ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B15/027
CPCC01B15/027
Inventor 岳东亭赵一新钱旭芳严璇张太阳李侃
Owner SHANGHAI JIAO TONG UNIV
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