A preparation method of porous carbon-nitrogen material-supported nano-bimetallic catalyst and its application method in benzoic acid hydrogenation reaction

A bimetallic catalyst and porous carbon technology, applied in the direction of catalyst activation/preparation, ozone oxidation to prepare carboxylic acid, nanotechnology for materials and surface science, etc., can solve the problem of noble metal catalyst deactivation, inconvenience, and difficult separation of catalyst and product And other issues
CN112473719BActive Publication Date: 2021-06-29WEIFANG UNIV OF SCI & TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
WEIFANG UNIV OF SCI & TECH
Publication Date
2021-06-29

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Abstract

The present invention is applicable to the technical field of catalysts, and provides a method for preparing a porous carbon-nitrogen material-supported nano-bimetallic catalyst, including step 1, preparation of a biomass-based porous carbon-nitrogen carrier material; pretreatment, high-temperature pyrolysis, cleaning and drying, Grinding; Step 2, preparation of porous carbon-nitrogen loaded Fe / CoS2 / HCCS nano-bimetallic catalyst; a method for using porous carbon-nitrogen material-loaded nano-bimetallic catalyst in benzoic acid hydrogenation reaction, benzoic acid, solvent and porous The mixture of carbon-nitrogen material-loaded nanometer bimetallic catalysts is sealed in a reaction kettle for reaction. Thereby, the invention can enhance the dispersibility of the catalyst in the reaction solvent, increase the active sites of the carbon material, enhance the activity of the catalyst synergistically with the double metal, and increase the product yield.
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Description

technical field

[0001] The invention relates to the technical field of catalysts, in particular to a preparation method of a porous carbon-nitrogen material-loaded nanometer bimetallic catalyst and a method for using it in the hydrogenation reaction of benzoic acid. Background technique

[0002] Cyclohexanecarboxylic acid and its derivatives are widely used in all walks of life, especially nowadays, pharmaceutical and chemical products are becoming more and more important to people's lives. The economical and efficient synthesis of cyclohexanecarboxylic acid and its derivatives has high significance and value .

[0003] It is well known that the selective benzene ring hydrogenation of benzoic acid is the most direct and effective method for the synthesis of cyclohexanecarboxylic acid. However, because the hydrogenation of benzoic acid needs to overcome the high resonance energy of the benzene ring, the hydrogenation of benzoic acid is much more difficult than the reduction ...

Claims

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