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Method for preparing furfuryl alcohol by utilizing hydrogen transfer reaction to catalyze furfuraldehyde

A technology of hydrogen transfer and furfural, which is applied in the direction of organic chemistry, can solve the problems of low catalyst activity, mild reaction conditions, and high production safety, and achieve the effect of reusable reaction activity, mild reaction conditions, and low production energy consumption

Active Publication Date: 2017-07-07
GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The object of the present invention is to provide a kind of method that utilizes hydrogen transfer reaction to catalyze furfural to prepare furfuryl alcohol, the method uses zirconium compound as catalyst, catalyzes furfural transfer hydrogenation to prepare furfuryl alcohol in low-carbon alcohol, and catalyst preparation process is simple, and reactivity is high, The reaction conditions are mild, the production cost is low, and the production safety is high, which solves the problem of low catalyst activity in the method of hydrogen transfer reaction catalyzing furfural to prepare furfuryl alcohol in the prior art

Method used

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  • Method for preparing furfuryl alcohol by utilizing hydrogen transfer reaction to catalyze furfuraldehyde
  • Method for preparing furfuryl alcohol by utilizing hydrogen transfer reaction to catalyze furfuraldehyde
  • Method for preparing furfuryl alcohol by utilizing hydrogen transfer reaction to catalyze furfuraldehyde

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Experimental program
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Effect test

preparation Embodiment 1

[0016] Preparation Example 1: Preparation of Zirconium Hydroxide

[0017] Add concentrated ammonia water drop by drop to the zirconium oxychloride aqueous solution until the pH of the system reaches 9-10, age the precipitate for 24 hours, and wash it repeatedly with ethanol, then dry the precipitate at 120°C for 12 hours to obtain zirconium hydroxide (Zr(OH) 4 ).

preparation Embodiment 2

[0018] Preparation Example 2: Preparation of Zirconia

[0019] With the Zr(OH) that obtains in the preparation embodiment 1 4 Zirconia (ZrO 2 -x, where x is the calcination temperature).

preparation Embodiment 3

[0020] Preparation Example 3: Preparation of Tetragonal Zirconia

[0021] Take a certain amount of zirconyl nitrate and bake it at 120°C for 12h, and then bake it at 400°C for 3h to get tetragonal zirconia (t-ZrO 2 ).

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Abstract

The invention discloses a method for preparing furfuryl alcohol by utilizing hydrogen transfer reaction to catalyze furfuraldehyde. The method comprises the following steps: by taking low alcohol as a solvent and a hydrogen source, and taking a zirconium compound as a catalyst, preparing furfuryl alcohol by catalyzing the furfuraldehyde transfer and hydrogenation reaction under the condition of ordinary pressure nitrogen atmosphere in low alcohol, wherein the reaction temperature is at 140-180 DEG C and the reaction time is 0.5-3.5h. The method provided by the invention has the advantages of simple process, mild reaction condition, low energy consumption of production, low production difficulty, high operation safety, environment protection, safety, low cost, percent conversion of furfuraldehyde as high as 100%, furfuraldehyde yield as high as 98% or above and benefit in popularization.

Description

[0001] Technical field: [0002] The invention relates to the technical field of furfuryl alcohol synthesis, in particular to a method for preparing furfuryl alcohol by catalyzing furfural through a hydrogen transfer reaction. [0003] Background technique: [0004] As an important organic chemical raw material, furfuryl alcohol is mainly used in the production of furfural resin, furan resin, furfuryl alcohol-urea resin, phenolic resin, etc. It can also be used in the preparation of fruit acids, plasticizers, solvents and rocket fuels. In addition, furfuryl alcohol is also widely used in dyestuffs, synthetic fibers, rubber, pesticides and casting. [0005] Currently, the production process of furfuryl alcohol includes liquid-phase hydrogenation and gas-phase hydrogenation. The catalytic process mainly uses copper-based catalysts, alloy catalysts and noble metal catalysts. CN 105498788 A discloses a method for preparing a supported copper-based catalyst, the carrier used includ...

Claims

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Application Information

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IPC IPC(8): C07D307/44
CPCC07D307/44
Inventor 张军董凯军
Owner GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
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