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Refined catalyst for fraction oil hydrogenation and its preparing method

A hydrorefining and catalyst technology, which is applied in the direction of refining to remove heteroatoms, can solve the problems of low catalyst activity and complicated preparation process, and achieve the effect of high hydrodesulfurization activity

Active Publication Date: 2005-08-03
CHINA PETROLEUM & CHEM CORP +1
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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 provide a new high-activity hydrodesulfurization catalyst with a carbon-containing support supporting hydrogenation active metal components to address the shortcomings of the existing carbon-containing catalysts that have low catalyst activity when the carbon content is low
Another object of the present invention is to provide a new method for preparing a carbon-containing catalyst with a simple preparation process for the shortcomings of the existing carbon-containing catalyst preparation process

Method used

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  • Refined catalyst for fraction oil hydrogenation and its preparing method

Examples

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Comparison scheme
Effect test

example 1

[0037] Take by weighing 1000 grams of hydrated alumina (product name is Changling dry rubber powder, Changling Refinery Catalyst Factory product, dry basis is 73%, wherein gibbsite content is 68 weight percent, and gibbsite content is 5 weight percent %, the specific surface and pore distribution of the macroporous alumina Al-1 formed after 550 ° C roasting for 4 hours are listed in Table 1) mixed with 131 grams of sucrose, extruded into a clover-shaped strip with a circumscribed circle diameter of 1.4 mm, 120 After drying at ℃, put it in a tube furnace, and activate it at 580℃ for 3 hours under the condition of feeding water vapor. The weight ratio of water vapor to clover strips is 30:70, and the carrier S1 is obtained. The carbon content, specific surface area, number of pores, pore volume and pore distribution of support S1 are listed in Table 1. Carbon content is measured with RIPP-90 [petrochemical analysis method (RIPP test method), Science Press, 1990, 418-419] method,...

example 2

[0039] Take by weighing 678 grams of hydrated alumina (the name of the product is dry pseudoboehmite, a product from an aluminum factory in Shandong Province, with a dry basis of 64%, wherein the content of gibbsite is 80% by weight, and the content of gibbsite is 5% by weight , the specific surface and pore distribution of the small-pore alumina Al-2 formed after roasting at 550°C for 4 hours are listed in Table 1), the precursor of 203 grams of macroporous alumina (the product of the Changling Refinery Catalyst Factory, the specifications are the same Example 1) Mix evenly with 115 grams of methyl cellulose, extrude into a clover-shaped bar with a circumscribed circle diameter of 1.4 mm, dry at 120° C., place in a tube furnace, and pass through nitrogen conditions containing 1.5 volume percent oxygen at 450° C. Calcined at lower temperature for 2 hours, then changed the mixed gas of oxygen and nitrogen into nitrogen gas and raised the temperature to 630°C for 2 hours to obtai...

example 3

[0041] Take by weighing 678 grams of hydrated alumina (product of Shandong Aluminum Plant, specification is the same as example 2), 203 grams of hydrated alumina (product of Changling Oil Refinery Catalyst Factory, specification is the same as example 1) and mix evenly with 47 grams of edible starch, extrude into The clover-shaped bar with a circular diameter of 1.4 mm is dried at 120°C, placed in a tube furnace, and roasted for 2 hours at 450°C under the condition of nitrogen containing 1.5% oxygen by volume, and then the mixed gas of oxygen and nitrogen is replaced by nitrogen. And heated to 630 ° C for 2 hours to obtain carrier S3, wherein the weight ratio of small-pore alumina and macro-pore alumina is 74.6:25.4, the carbon content, specific surface, pore volume and pore distribution of S3 are listed in Table 1.

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Abstract

The fraction oil hydrorefining catalyst contains metal components Mo and / or W and Ni and / or Co, C and alumina; and features that its C and alumina is formed mixture carrier with C and alumina in the weight ratio of 1 / 99-1 / 4. Compared with available catalyst, the present invention has even high fraction oil hydrodesulfurizing activity.

Description

technical field [0001] The invention relates to a distillate oil hydrotreating catalyst and a preparation method thereof. Background technique [0002] In recent years, in order to meet the requirements of environmental protection on harmful gas NO in automobile exhaust X , SO X Strict restrictions on emissions have prompted the rapid development of related technologies such as hydrotreating catalysts and their preparation methods for the purpose of high-quality distillate oil. [0003] Hydrofinishing catalysts are generally composed of non-noble metal components of Group VIB and Group VIII supported on the carrier. Its performance is restricted by many factors, and the composition and properties of the carrier are one of the most important factors. The carrier affects the performance of the catalyst from two aspects of activity and stability. Butterworth Steven L et al. used anthracene and propylene to cover carbon on γ-alumina, and found that ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G45/06
Inventor 王锦业聂红石亚华李大东康小洪
Owner CHINA PETROLEUM & CHEM CORP
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