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Method for preparing furfuryl alcohol by catalyzing transfer hydrogenation of furfural through non-noble metal-loaded nitrogen-doped carbon

A nitrogen-doped carbon, non-precious metal technology, used in catalyst activation/preparation, chemical instruments and methods, physical/chemical process catalysts, etc., can solve the problems of high research and development costs and maintenance costs, and achieve a green reaction system, simple process, high yield effect

Active Publication Date: 2020-05-01
SOUTH CHINA UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At the same time, the research and development costs and maintenance costs of equipment are higher

Method used

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  • Method for preparing furfuryl alcohol by catalyzing transfer hydrogenation of furfural through non-noble metal-loaded nitrogen-doped carbon
  • Method for preparing furfuryl alcohol by catalyzing transfer hydrogenation of furfural through non-noble metal-loaded nitrogen-doped carbon
  • Method for preparing furfuryl alcohol by catalyzing transfer hydrogenation of furfural through non-noble metal-loaded nitrogen-doped carbon

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 8

[0041]Catalyst in Example 8: Co@NC-600, carbonization temperature is 600°C, other conditions are the same as Co@NC-700 in Examples 1 to 7 above; catalyst Co@NC-800 in Example 9, carbonization temperature is 800°C °C, other conditions are the same as those of Co@NC-700 in Examples 1-7 above.

Embodiment 10

[0042] Catalyst in Example 10: Co@NC-700 catalyst hydrothermally synthesized at 100°C, the temperature of hydrothermal synthesis is 100°C, and other conditions are the same as Co@NC-700 in Examples 1-7 above; in Example 11 Catalyst: Co@NC-700 catalyst hydrothermally synthesized at 140°C, the temperature of hydrothermal synthesis is 140°C, and other conditions are the same as Co@NC-700 in Examples 1-7 above.

[0043] The structural representation of the catalyst prepared by the present invention is as image 3 shown. SEM image of Co@NC-700 catalyst Figure 4 shown.

Embodiment 1

[0045] Accurately weigh 0.5mmol of furfural, 5mL of isopropanol and 50mg of Co@NC-700 catalyst, place them in a 10ml high-pressure hydrothermal reactor, place them in a stirring heating device at 150°C, stir and heat for 3 hours, cool to room temperature, and filter The obtained liquid mixture was sampled for gas phase analysis, and the conversion rate of furfural was 82%, and the selectivity of furfuryl alcohol was 77%.

[0046] figure 1 The mass spectrogram of the furfuryl alcohol prepared for Example 1 of the present invention; figure 2 Prepare the nuclear magnetic pattern (NMR) of furfuryl alcohol for the embodiment of the present invention 1 13 CNMR).

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Abstract

The invention belongs to the technical field of furfuryl alcohol preparation, and discloses a method for preparing furfuryl alcohol by catalyzing transfer hydrogenation of furfural through non-noble metal-loaded nitrogen-doped carbon. According to the method, a cobalt oxide-loaded nitrogen-doped carbon catalyst is used for catalyzing furfural to prepare furfuryl alcohol, wherein nitrogen-doped carbon in the catalyst is a carrier, and cobalt oxide in the catalyst is an active component. According to the method, a nitrogen-doped carbon material loaded by cobalt oxide is used as the catalyst, organic alcohol is used as a solvent and a hydrogen donor, and transfer hydrodeoxygenation of furfural is catalyzed to synthesize furfuryl alcohol; the method is simple in the whole process, easy to operate and low in cost; a reaction system is green; the catalyst is high in activity; the furfuryl alcohol is high in selectivity and yield; and the method has wide industrial application prospects. H2 is prevented from being directly used, and the organic alcohol serves as the hydrogen donor, so storage and use are convenient, the requirement of a reaction solvent on hydrogen solubility is lowered,and hydrogenation effect is good.

Description

technical field [0001] The invention belongs to the technical field of furfuryl alcohol preparation, and in particular relates to a method for preparing furfuryl alcohol through the transfer hydrogenation of furfural catalyzed by nitrogen-doped carbon supported by non-noble metals. Background technique [0002] In recent years, due to the massive consumption of fossil fuels and natural resources, the demand for the development of clean and efficient energy materials to replace traditional fossil fuels has become more and more urgent. It is urgent to find a renewable, clean and rich energy material. As the only renewable carbon, biomass has broad application prospects in solving the energy crisis and environmental pollution problems in today's increasingly severe energy crisis and environmental pollution problems. The furfural formed by the dehydration of biomass sugar cracking can be hydrogenated and reduced to furfuryl alcohol under the condition of catalyst, because furfur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07D307/44B01J27/24B01J37/08B01J37/10
CPCC07D307/44B01J27/24B01J37/08B01J37/084B01J37/10Y02P20/584
Inventor 祁海松代方林周生辉刘宏臣刘德桃吕发创
Owner SOUTH CHINA UNIV OF TECH
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