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Preparation method of oleophylic Fe-based suspended bed hydrocracking catalyst

A catalyst and lipophilic technology, applied in the field of preparation of lipophilic Fe-based suspended bed hydrocracking catalysts, can solve the problems of unpublished preparation, harsh preparation conditions, etc., achieve good application prospects, improve yield and crude oil Conversion rate, the effect of cheap raw materials

Active Publication Date: 2022-01-11
FUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The preparation methods of these hydrophobic and lipophilic inorganic powders are relatively harsh, and there is no public report about the preparation of oil-soluble mesoporous iron oxide catalysts suitable for suspended bed hydrocracking

Method used

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  • Preparation method of oleophylic Fe-based suspended bed hydrocracking catalyst
  • Preparation method of oleophylic Fe-based suspended bed hydrocracking catalyst
  • Preparation method of oleophylic Fe-based suspended bed hydrocracking catalyst

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] The steps for preparing mesoporous iron oxide are the same as those in the comparative example.

[0040] Dissolve 1.0 g of sodium stearate in 40 mL of n-hexane, stir at room temperature for 30 min, take 2.0 g of mesoporous iron oxide and disperse it in the organic solution, stir in water at 70 °C for 2 h, and sonicate for 20 min; transfer the mixture to 100 mL crystallization kettle, heat reaction at 100°C for 24 h; naturally cool to room temperature, centrifuge and wash with absolute ethanol to obtain a reddish-brown solid, and dry the solid at 100°C for 12 hours to prepare lipophilic mesoporous iron oxide .

[0041] The lipophilic mesoporous iron oxide XRD spectrogram of present example gained is as follows figure 1 As shown, the dispersibility of lipophilic mesoporous iron oxide obtained in this example in gasoline is as follows figure 2 As shown, the Fourier transform infrared spectrum of the lipophilic mesoporous iron oxide obtained in this example is as follows...

Embodiment 2

[0044] The steps for preparing mesoporous iron oxide are the same as those in the comparative example.

[0045] Dissolve 1.0 g of stearic acid in 40 mL of deionized water, stir at room temperature for 30 min, take 2.0 g of mesoporous iron oxide and disperse it in the organic solution, stir in water at 70 °C for 2 h, and sonicate for 20 min; transfer the mixture to 100 mL In a crystallization kettle, react in an oven at 120°C for 24 h; naturally cool to room temperature, centrifuge and wash with absolute ethanol to obtain a reddish-brown solid, and dry the solid at 110°C for 12 hours to obtain lipophilic mesoporous iron oxide .

[0046] The lipophilic mesoporous iron oxide XRD spectrogram of present example gained is as follows figure 1 As shown, the dispersibility of lipophilic mesoporous iron oxide obtained in this example in gasoline is as follows figure 2 As shown, the Fourier transform infrared spectrum of the lipophilic mesoporous iron oxide obtained in this example is...

Embodiment 3

[0049] The steps for preparing mesoporous iron oxide are the same as those in the comparative example.

[0050] 2.0 g of stearic acid was dissolved in 40 mL of toluene, stirred at room temperature for 30 min, 4.0 g of mesoporous iron oxide was dispersed in the organic solution, stirred in water at 70 °C for 2 h, and ultrasonically treated for 20 min; the mixture was transferred to 100 mL crystal React in an oven at 120°C for 24 h; naturally cool to room temperature, centrifuge and wash with absolute ethanol to obtain a reddish-brown solid, dry the solid at 110°C for 12 hours, and sample and package.

[0051] The experimental conditions of the catalyst suspension bed hydrocracking reaction are the same as those of the comparative example, and the reaction results are shown in Table 1.

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Abstract

The invention discloses a preparation method of an oleophylic Fe-based suspended bed hydrocracking catalyst. The method comprises the following steps: firstly, preparing ferric oxide with a mesoporous structure by taking waste wood chips as a template agent by adopting a hydrothermal-precipitation method, and then carrying out surface modification on the ferric oxide by utilizing macromolecular organic matters (such as stearic acid and the like), so as to obtain the lipophilic ferric oxide catalyst. The catalyst has lipophilicity, shows good reaction performance when being used for a hydrocracking reaction of an inferior heavy oil suspended bed, effectively inhibits generation of coke and gas, and improves the yield of liquid distillate oil.

Description

technical field [0001] The invention belongs to the technical field of hydrocracking in petrochemical industry, and in particular relates to a preparation method of an lipophilic Fe-based suspended bed hydrocracking catalyst. Background technique [0002] In recent years, conventional crude oil reserves have declined sharply, and the trend of heavy and poor quality has intensified, while the market demand for light fuel oils such as gasoline, diesel and jet fuel has continued to increase. Therefore, the efficient conversion of heavy oil is of great significance to meet energy supply. Heavy oil has complex molecular composition, high viscosity, high density, high content of sulfur, nitrogen, and metal impurities, and its efficient conversion is extremely difficult. At present, hydrotreating and hydrocracking are the most effective means for removing impurities and upgrading heavy oil. Among the existing hydrogenation processes, the suspension bed hydrogenation technology ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J23/745B01J31/04B01J35/10C10G47/04
CPCB01J23/745B01J31/04C10G47/04B01J35/64
Inventor 崔勍焱王军鲍晓军王廷海朱海波王婵
Owner FUZHOU UNIV
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