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Preparation method of catalyst for synthetic gas preparation through reforming of methane and carbon dioxide

A carbon dioxide and catalyst technology, which is applied in the field of preparation of a catalyst for methane-carbon dioxide reforming to syngas, can solve the problems of complicated preparation process, high cost, easy carbon deposition of the catalyst, etc. Beneficial for industrial amplification

Active Publication Date: 2017-07-14
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The reaction life of the obtained catalyst is longer, but the preparation process of this method is complicated and the cost is higher
[0007] Although the catalysts prepared by the above-mentioned patented methods have achieved good reaction performance of methane carbon dioxide reforming to synthesis gas, there are still problems such as high cost and easy carbon deposition of the catalysts.

Method used

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  • Preparation method of catalyst for synthetic gas preparation through reforming of methane and carbon dioxide
  • Preparation method of catalyst for synthetic gas preparation through reforming of methane and carbon dioxide

Examples

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Effect test

Embodiment 1

[0027] The spent hydrotreating catalyst (MoCo / Al 2 o 3), the oil on the catalyst surface was removed by petroleum ether extraction, dried at 110°C for 8 h, and the obtained catalyst was calcined at 450°C for 4 h to obtain catalyst precursor A, wherein Mo accounted for 6.1wt% by weight of catalyst precursor A in terms of elements, Co accounts for 1.8wt% of the weight of the catalyst precursor A in terms of elements, Ni accounts for 2.3wt% of the weight of the catalyst precursor A in terms of elements, and V accounts for 1.9wt% of the weight of the catalyst precursor A in terms of elements; Activation in a mixed atmosphere of hydrogen, the volume content of hydrogen in the mixed gas is 80%, the reduction conditions are 450°C, 0.2MPa (absolute pressure), and the reduction time is 4h; 2.54g of zirconium nitrate is dissolved in 16mL of deionized water to obtain solution B, And mix it with 40% furfural aqueous solution with a mass fraction of 4 times its mass, and then add it to th...

Embodiment 2

[0029] The spent hydrotreating catalyst (MoCo / Al 2 o 3 ), the oil on the catalyst surface was removed by petroleum ether extraction, dried at 110°C for 8 h, and the obtained catalyst was calcined at 450°C for 4 h to obtain catalyst precursor A, wherein Mo accounted for 5.2wt% by weight of catalyst precursor A in terms of elements, Co accounts for 1.2wt% of the weight of the catalyst precursor A in terms of elements, Ni accounts for 1.5wt% of the weight of the catalyst precursor A in terms of elements, and V accounts for 1.3wt% of the weight of the catalyst precursor A in terms of elements; Activate in a mixed atmosphere of hydrogen, the volume content of hydrogen in the mixed gas is 80%, the reduction conditions are 450°C, 0.2MPa (absolute pressure), and the reduction time is 4h; 0.99g of zirconium nitrate is dissolved in 16mL of deionized water to obtain solution B. And mix it with 40% furfural aqueous solution with a mass fraction of 4 times its mass, and then add it to the...

Embodiment 3

[0031] The spent hydrotreating catalyst (MoCo / Al 2 o 3 ), the oil on the catalyst surface was removed by petroleum ether extraction, dried at 110°C for 8 h, and the obtained catalyst was calcined at 450°C for 4 h to obtain catalyst precursor A, wherein Mo accounted for 6.1wt% by weight of catalyst precursor A in terms of elements, Co accounts for 1.8wt% of the weight of the catalyst precursor A in terms of elements, Ni accounts for 2.3wt% of the weight of the catalyst precursor A in terms of elements, and V accounts for 1.9wt% of the weight of the catalyst precursor A in terms of elements; Activate in a mixed atmosphere of hydrogen, the volume content of hydrogen in the mixed gas is 80%, the reduction conditions are 450°C, 0.2MPa (absolute pressure), and the reduction time is 4h; 7.25g of zirconium nitrate is dissolved in 20mL of deionized water to obtain solution B. And mix it with 40% furfural aqueous solution with a mass fraction of 4 times its mass, and then add it to the...

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Abstract

The present invention relates to a preparation method of a catalyst for synthetic gas preparation through reforming of methane and carbon dioxide, wherein the catalyst comprises an active component, an auxiliary agent, and a carrier. The preparation method comprises: preparing a catalyst precursor A, and reducing the catalyst precursor A; dissolving an auxiliary agent precursor in water, and uniformly mixing with a furfural aqueous solution; adding the obtained mixture and the catalyst precursor A to a high pressure reaction kettle, adding a solution C, and carrying out a reaction; and treating and separating the obtained solid-liquid mixture, filtering the obtained solid sample, drying, and calcining to obtain the catalyst. According to the present invention, the waste residue oil hydrotreating catalyst is completely utilized so as to save the cost; and the prepared catalyst has characteristics of high reaction activity, metal consumption reducing, and product selectivity improving.

Description

technical field [0001] The invention relates to a preparation method of a catalyst used for methane carbon dioxide reforming to produce synthesis gas, in particular to a preparation method for methane carbon dioxide reforming to produce synthesis gas supported nickel-based catalyst. Background technique [0002] Methane and carbon dioxide are cheap and resource-rich carbon-containing compounds in nature. Using the reforming reaction of methane and carbon dioxide to produce synthesis gas is of great significance for alleviating the energy crisis and reducing global warming caused by greenhouse gas emissions . The synthesis gas produced by the reforming of methane and carbon dioxide has H 2 The characteristic of / CO≤1 can be applied to Fischer-Tropsch synthesis to produce high value-added chemicals such as higher hydrocarbons. [0003] At present, the catalysts used for the reforming of methane and carbon dioxide to produce synthesis gas are mainly supported metal catalysts,...

Claims

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Application Information

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IPC IPC(8): B01J23/887C01B3/40
CPCC01B3/40B01J23/8877C01B2203/1058C01B2203/1082C01B2203/1094C01B2203/1241C01B2203/0238B01J35/396Y02P20/52
Inventor 孙晓丹张舒冬刘继华
Owner CHINA PETROLEUM & CHEM CORP
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