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An amorphous alloy based supercritical co 2 hydrogenation process

An amorphous alloy and supercritical technology, which is used in the preparation of organic compounds, the production of bulk chemicals, the preparation of carboxylate, etc., to achieve the effect of reducing the amount of hydrogen, reducing energy consumption, and saving heating costs

Active Publication Date: 2021-10-22
SHANGHAI NORMAL UNIVERSITY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is exactly in order to overcome the conventional metal catalyzed CO in the above-mentioned prior art 2 In the hydrogenation reaction, a higher hydrogen-carbon ratio and a higher temperature are required, and a method for realizing CO at a lower hydrogen-carbon ratio and under mild conditions is provided. 2 Hydrogenation based amorphous alloys for supercritical CO 2 hydrogenation process

Method used

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  • An amorphous alloy based supercritical co <sub>2</sub> hydrogenation process
  • An amorphous alloy based supercritical co <sub>2</sub> hydrogenation process
  • An amorphous alloy based supercritical co <sub>2</sub> hydrogenation process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] Reaction system: 10mL DMF as reaction solvent, add 2.5mL organic amine compound (as organic base, the same below), specifically triethylamine, the purpose of adding organic amine compound is to promote the formation of formate so that the reaction moves to the right . At the same time, 100 mg of NiB amorphous alloy was added as a catalyst. Mix the above systems into the reaction kettle, then empty and fill with gas. For specific implementation steps, please refer to the reaction implementation process.

[0057] Reaction temperature: The reaction temperature is stabilized at 40°C by the temperature control unit.

[0058] Total reaction pressure: 1MPa.

[0059] H in reaction 2 with CO 2 Scale: 0.2.

[0060] Reaction device and instructions for use:

[0061] Such as Figure 1~2 As shown, the reaction was carried out in a set of high-pressure catalytic reactor designed and built by ourselves. The reaction device is composed of a gas circuit control unit, a pressuri...

Embodiment 2

[0066] Reaction system: 10mL DMF was used as the reaction solvent, and 2.5mL TEA was added as the organic base. The purpose of adding the organic base was to promote the formation of formate so that the reaction shifted to the right. At the same time, 100 mg of NiB amorphous alloy was added as a catalyst. Mix the above systems into the reaction kettle, then empty and fill with gas. For specific implementation steps, please refer to the reaction implementation process.

[0067] Reaction temperature: The reaction temperature is stabilized at 40°C by the temperature control unit.

[0068] The total reaction pressures are: 0.1MPa, 1MPa, 3MPa, 5MPa, 7MPa, 9MPa.

[0069] H in reaction 2 with CO 2 Scale: 0.2.

[0070] Schematic diagram of the reaction device and instructions for use:

[0071] With embodiment 1.

[0072] The specific implementation process of the reaction:

[0073] With embodiment 1.

[0074] image 3 It is the activity diagram of the reaction hydrogenation ...

Embodiment 3

[0076] Reaction system: 10mL DMF was used as the reaction solvent, and 2.5mL TEA was added as the organic base. The purpose of adding the organic base was to promote the formation of formate so that the reaction shifted to the right. At the same time, 100 mg of NiB amorphous alloy was added as a catalyst. Mix the above systems into the reaction kettle, then empty and fill with gas. For specific implementation steps, please refer to the reaction implementation process.

[0077] Reaction temperature: The reaction temperature is stabilized at 40°C by the temperature control unit.

[0078] The total reaction pressure is: 9MPa.

[0079] H in reaction 2 with CO 2 The ratios are: 0.1, 0.2, 0.3.

[0080] Schematic diagram of the reaction device and instructions for use:

[0081] With embodiment 1.

[0082] The specific implementation process of the reaction:

[0083] With embodiment 1.

[0084] Figure 4 It is the reaction hydrogenation reaction product CH under different hy...

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Abstract

The present invention relates to a method based on amorphous alloys for supercritical CO 2 In the process of hydrogenation, the solvent and the organic amine are mixed to form a solution in the reactor, the amorphous alloy is selected as the catalyst, and H is added at low temperature 2 with CO 2 , and then warmed to CO 2 The partial pressure reaches a supercritical state, where the reaction produces formic acid and alkane compounds as products. Compared with the prior art, in the present invention, the lower hydrogen-to-carbon ratio and lower reaction temperature are different from traditional CO 2 Hydrogenation catalytic reaction system saves more H 2 Energy and temperature costs.

Description

technical field [0001] The invention relates to the technical field of hydrogenation reaction, in particular to a method based on an amorphous alloy for supercritical CO 2 Hydrogenation process. Background technique [0002] The greenhouse effect has seriously affected the living environment of human beings, accompanied by a series of resource shortage problems. CO 2 As a kind of greenhouse gas, it not only causes many environmental problems such as glacier melting, sea level rise, and land desertification, but also, as the final oxidation product of carbon resources, its increase means the reduction of other carbon resources. At present, CO is converted into 2 Transformation into organic matter with relatively high added value and direct reduction into simple carbon-containing products have become CO 2 The scientific research direction used. while CO 2 Hydrogenation, as a research direction of green synthesis, has shown new vitality in recent years. [0003] During t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07C51/00C07C53/02C07C1/12C07C9/04
CPCC07C1/12C07C51/00C07C53/02C07C9/04Y02P20/54
Inventor 李和兴朱建何结红秦联胜焦文琛陈伟
Owner SHANGHAI NORMAL UNIVERSITY
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