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Catalyst composition for Fischer-Tropsch synthesis and application thereof

A catalyst and composition technology, applied in the direction of heterogeneous catalyst chemical elements, physical/chemical process catalysts, metal/metal oxide/metal hydroxide catalysts, etc., can solve the problems of low catalyst activity, low gasoline yield, stable In order to achieve the effect of good selectivity, high activity and high conversion rate of CO

Active Publication Date: 2016-09-28
东营睿港招商服务有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the current Fischer-Tropsch synthesis catalysts still have the following problems: due to the FT reaction, CH 4 lower hydrocarbons, CO 2 The generation of such gas components is promoted, and the gasoline yield is reduced; or it cannot adapt to the most suitable reaction problem, or the activity of the catalyst is low and easy to deactivate, and the stability is poor

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0064] Preparation of composite carrier 10g: add deionized water to reaction kettle a, stir and add TiO 2 , then add acid to control the pH value of the mixed solution, stir and mix evenly to prepare slurry A; add deionized water to reaction kettle b, stir and add TiO2, stir and mix evenly to prepare slurry B; mix slurry A, B is mixed evenly and left to stand to obtain slurry C; add silica sol to slurry C, stir and mix evenly to obtain slurry D; add ZrCl4 to slurry D, control the temperature and continue to stir and mix evenly to obtain slurry Material E; the slurry E is spray-dried and shaped to obtain a particle powder, and the particle powder is roasted to obtain a composite carrier of the catalyst;

[0065] Weigh 9.00g of copper sulfate and disperse it into 10.71g of silica sol (SiO 2 content of 20.6%), then dried at 130°C in air for 3 hours, and then calcined at 200°C in air. An aqueous solution in which 0.7% of ruthenium chloride was dissolved was immersed in 5 g of th...

Embodiment 2

[0071] Active component precursor becomes 0.3g ruthenium chloride and 0.4g cobalt nitrate solution, other conditions are identical with embodiment 1, use catalyst a2, implement under reaction temperature 270 ℃, except that, use the same as embodiment 1 method to react. Table 1 shows the reaction results and the composition analysis results of the products obtained at this time.

Embodiment 3

[0073] The active component precursor becomes ruthenium chloride, cobalt nitrate and ferric chloride solution, using catalyst a3, the Ru:Co:Fe mass ratio of the active metal in catalyst a3 is 1:1-4:1-3, at the reaction temperature The reaction was carried out in the same manner as in Example 1 except that it was implemented at 280°C. Table 1 shows the reaction results and the composition analysis results of the products obtained at this time.

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Abstract

The invention relates to a catalyst composition used for preparing hydrocarbons from a gas mixture with hydrogen and carbon monoxide as the main components by the utilization of a Fischer-Tropsch reaction and a method for preparing hydrocarbons from the above synthetic gas by the utilization of the FT reaction. The invention specifically relates to a catalyst composition containing a composite support TiO2-SiO2-ZrO2 which contains copper sulfate and is loaded with FT active metal and a preparation method of hydrocarbons with the characteristic of using the above FT synthesis catalyst.

Description

technical field [0001] The present invention relates to a catalyst composition used in the production of hydrocarbons from a mixed gas mainly composed of hydrogen and carbon monoxide (hereinafter referred to as "synthesis gas") by the Fischer-Tropsch (FT) reaction, and the production of hydrocarbons from the above-mentioned synthesis gas by the FT reaction. hydrocarbon method. More specifically, it relates to a method for producing hydrocarbons comprising a catalyst composition containing copper sulfate and an FT active metal supported on a composite carrier, and using the aforementioned FT synthesis catalyst. Background technique [0002] As methods for synthesizing hydrocarbons from synthesis gas, Fischer-Tropsch reaction, methanol synthesis reaction, and the like are known. The synthesis technology in indirect coal liquefaction was first discovered by German scientists Frans Fischer and HansTropsch in 1923 and named after their first letter, F-T, referred to as F-T synth...

Claims

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Application Information

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IPC IPC(8): B01J23/89B01J23/75C10G2/00
CPCB01J23/002B01J23/75B01J23/8913B01J23/8926B01J2523/00C10G2/332C10G2/333B01J2523/17B01J2523/41B01J2523/47B01J2523/48B01J2523/821B01J2523/845B01J2523/842
Inventor 李程伟
Owner 东营睿港招商服务有限责任公司
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