Preparation method and application of dual-functional hydrodeoxygenation catalyst

A deoxygenation catalyst and dual-function technology, applied in the field of preparation of dual-function hydrodeoxygenation catalysts, to achieve the effect of improving catalytic activity and improving selectivity

Active Publication Date: 2017-05-17
BEIJING FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the problems of existing hydrodeoxygenation catalysts, and provide a method for preparing a non-sulfurized bifunctional hydrodeoxygenation catalyst with a unique porous structure

Method used

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  • Preparation method and application of dual-functional hydrodeoxygenation catalyst

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A preparation method and application of a dual-functional hydrodeoxygenation catalyst of the present invention, specifically comprising the following steps:

[0023] (1) Weigh sodium lauryl sulfate and dissolve it in deionized water to make a solution with a mass concentration of 3%, then add nickel source with a mass concentration of 5%, then add urea with a mass concentration of 3%, and continue stirring After 8 minutes, a mixed solution was formed after dissolution.

[0024] The nickel source described in step (1) is nickel nitrate.

[0025] (2) After hydrothermally treating the mixed solution in step (1) at a temperature of 180°C for 5 hours, take out and filter to obtain solid substance A; then wash solid substance A three times with deionized water and absolute ethanol in turn, and carry out Filtration to obtain solid substance B; finally, dry solid substance B at a temperature of 110° C. for 3 hours to obtain dried solid substance B.

[0026](3) Put the dried s...

Embodiment 2

[0031] A preparation method and application of a dual-functional hydrodeoxygenation catalyst of the present invention, specifically comprising the following steps:

[0032] (1) Weigh sodium lauryl sulfate and dissolve it in deionized water to make a solution with a mass concentration of 5%, then add nickel source with a mass concentration of 10%, then add urea with a mass concentration of 5%, and continue stirring After 10 min, a mixed solution was formed after dissolution.

[0033] The nickel source described in step (1) is nickel chloride.

[0034] (2) After hydrothermally treating the mixed solution in step (1) at a temperature of 220°C for 10 h, take out and filter to obtain solid substance A; then wash solid substance A 4 times with deionized water and absolute ethanol in turn, and carry out Filtration to obtain solid substance B; finally, dry solid substance B at a temperature of 140° C. for 1 hour to obtain dried solid substance B.

[0035] (3) Put the dried solid sub...

Embodiment 3

[0040] A preparation method and application of a dual-functional hydrodeoxygenation catalyst of the present invention, specifically comprising the following steps:

[0041] (1) Weigh sodium lauryl sulfate and dissolve it in deionized water to make a solution with a mass concentration of 1%, then add nickel source with a mass concentration of 1%, then add urea with a mass concentration of 1%, and continue stirring After 5 minutes, a mixed solution was formed after dissolution.

[0042] The nickel source described in step (1) is nickel acetate.

[0043] (2) After hydrothermally treating the mixed solution in step (1) at a temperature of 130°C for 10 h, take out and filter to obtain solid substance A; then wash solid substance A twice with deionized water and absolute ethanol in sequence, and carry out Filtration to obtain solid substance B; finally, dry solid substance B at a temperature of 80° C. for 5 hours to obtain dried solid substance B.

[0044] (3) Put the dried solid ...

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Abstract

The invention discloses a preparation method and application of a dual-functional hydrodeoxygenation catalyst, and belongs to the technical field of catalyst synthesis. The invention aims to solve the problems of the existing hydrodeoxygenation catalyst, and provides the preparation method for a non-sulphurized dual-functional hydrodeoxygenation catalyst. The preparation method comprises the following steps: first, preparing a flower-like Ni(OH)2 mixed solution; then, performing a hydrothermal reaction; next, adding the reaction product into an MIL-101 precursor solution and a heteropolyacid solution; finally, obtaining a flower-like Ni(OH)2-supported HPA@MIL-101 catalyst. The flower-like Ni(OH)2-supported HPA@MIL-101 catalyst can be applied to a hydrodeoxygenation reaction which takes phenol as a lignin-based phenol model compound. According to the dual-functional hydrodeoxygenation catalyst prepared with the preparation method, dual functions of the hydrodeoxygenation reaction can be realized, that is, the HPA@MIL-101 provides an acidic site, and the flower-like Ni(OH)2 provides metal activity, so that the synergistic effect can remarkably improve the hydrodeoxygenation activity and the selectivity of a target product.

Description

technical field [0001] The invention relates to a preparation method and application of a bifunctional hydrodeoxygenation catalyst, belonging to the technical field of catalyst synthesis. Background technique [0002] In view of the current unsustainable exploitation of petrochemical resources, the increasing demand for energy, and the aggravation of greenhouse gas pollution, people are actively developing biomass energy and striving to achieve sustainable development of resources. Lignin accounts for 15%-35% of the entire biomass component, and is the renewable resource with the most aromatic structures on earth. Oriented depolymerization or catalytic liquefaction of lignin into phenolic compounds (phenol, guaiacol, eugenol, etc.), and then through hydrodeoxygenation reaction, the phenolic compounds are converted into naphthenes and polyalkylated benzenes as the main Component hydrocarbons, thereby realizing the conversion from lignin to hydrocarbon fuels via phenolic plat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J31/22C07C49/403B01J35/10C07C45/00
CPCB01J31/2239B01J31/34B01J35/1028B01J2531/0241B01J2531/62C07C45/006C07C49/403
Inventor 刘静雷建都何静王璐莹
Owner BEIJING FORESTRY UNIVERSITY
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