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Catalyst for synthesizing gas and liquid fuel, preparation method and application thereof

A technology for liquid fuels and catalysts, applied in the directions of liquid carbonaceous fuels, chemical instruments and methods, catalysts for physical/chemical processes, etc., to achieve the effects of high conversion, high selectivity and yield

Inactive Publication Date: 2008-06-11
YANKUANG ENERGY R&D CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, there are no domestic reports of Fischer-Tropsch synthesis catalysts with iron and cobalt as active components, potassium or zirconium as additives

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Weigh 10 g of silica gel carrier, configure 9.04 g of Fe(NO 3 ) 3 9H 2 O, 6.17 g Co(NO 3 ) 2 ·6H 2 O aqueous solution 9.62ml, impregnated and aged at room temperature for 24h, dried at 80°C for 8h, and calcined at 400°C for 6h to obtain 10%Fe10%Co / SiO 2 (weight percent, the same below) Catalyst 1.

Embodiment 2

[0019] Weigh 12 g of silica gel carrier, configure 6.20 g of Fe(NO 3 ) 3 9H 2 O, 7.05 g Co(NO 3 ) 2 ·6H 2 O aqueous solution 11.55ml, impregnated and aged at room temperature for 24h, dried at 80°C for 8h, and calcined at 400°C for 6h to obtain 6%Fe10%Co / SiO 2 Catalyst 2.

Embodiment 3

[0021] Weigh 12 g of silica gel carrier, configure 1.97 g of Fe(NO 3 ) 3 9H 2 O, 6.93 g Co(NO 3 ) 2 ·6H 2 O aqueous solution 11.55ml, impregnated and aged at room temperature for 24h, dried at 80°C for 8h, and calcined at 400°C for 6h to obtain 2%Fe10%Co / SiO 2 Catalyst 3.

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Abstract

The invention relates to a catalyst which is used for synthesis gas and synthetic fluid fuel, a process for preparation and use. The catalyst is composed of three parts of active components, additives and carriers, wherein the active components are iron and cobalt, the metallic iron and the cobalt account for 5%-30% of the total weight of the catalyst, the additives are zirconium and potassium, potassium additive accounts for 0.01%-15% of the total weight of the catalyst, zirconium additive accounts for 1%-20% of the total weight of the catalyst, and the others are the carriers. Compared with the prior art, the catalyst of the invention has comparatively high hydrogenation activity to CO and comparatively high selectivity and receiving rate to C5+.

Description

technical field [0001] The invention relates to a catalyst for Fischer-Tropsch synthesis reaction, which relates to a catalyst for synthesizing liquid fuel from synthesis gas, a preparation method and application. Background technique [0002] Fischer-Tropsch synthesis (referred to as F-T synthesis) refers to synthesis gas (CO+H 2 ) on the catalyst to generate hydrocarbons, the products include various alkanes and alkenes, and by-product CO 2 and H 2 O and organic oxygen-containing compounds such as alcohols, aldehydes, ketones, acids, and esters. After deep processing, the products can be used to obtain high-quality liquid fuels such as gasoline, diesel, and aviation kerosene. [0003] my country is a country with rapid economic development, and the demand for energy is increasing day by day. The contradiction between supply and demand of oil resources has endangered my country's economy and national security. In addition, Fischer-Tropsch synthesis products are mainly com...

Claims

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Application Information

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IPC IPC(8): B01J23/78B01J23/76C07C1/04C10L1/00
Inventor 孙启文应卫勇房鼎业刘继森曹发海张宗森马向东周标李涛
Owner YANKUANG ENERGY R&D CO LTD
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