Residual oil hydrogenation catalyst and preparation method and use thereof

A technology for residual oil hydrogenation and catalysts, which is applied in chemical instruments and methods, metal/metal oxide/metal hydroxide catalysts, physical/chemical process catalysts, etc. Hydrogen process and other problems to achieve the effect of increasing cracking performance, simple modification method, and increasing acid content

Active Publication Date: 2009-07-29
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this patent uses a composite additive to work together to improve the activity of the catalyst, the catalyst has a small pore size and is not suitable for the hydrogenation process of inferior residues

Method used

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  • Residual oil hydrogenation catalyst and preparation method and use thereof
  • Residual oil hydrogenation catalyst and preparation method and use thereof
  • Residual oil hydrogenation catalyst and preparation method and use thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Roast kaolin raw soil in a high-temperature furnace at a temperature of 600°C and keep the temperature for 12 hours. After cooling, weigh 200 grams and put it in a container. Add 400ml of 2mol / L nitric acid and 400ml of 2mol / L citric acid, and heat for reaction. The reaction temperature at 60°C, the reaction time is 8h, then washed, filtered and dried to obtain modified kaolin T 1 .

[0018] Take by weighing 600 grams of pseudo-boehmite dry glue (containing alumina 79wt%), add 23.7 grams of carbon black, 9.48 grams of fennel powder, and add modified kaolin T 1 7.10 grams, mixed evenly, then added 17.7 grams of ammonia water, 720 grams of distilled water, kneaded and extruded into strands, then dried at 120°C for 2 hours, and calcined at 800°C for 3 hours to obtain carrier A.

[0019] Weigh 82.56 grams of ammonium heptamolybdate, add 900 ml of 12% ammonia water, then add 37.46 g of basic nickel carbonate and stir until completely dissolved, adjust the volume of the solu...

Embodiment 2

[0021] The method is the same as in Example 1, except that the amount of kaolin added is 27.88 g, dried at 120° C. for 2 hours, and calcined at 900° C. for 2 hours to obtain carrier B.

[0022] Weigh 168.80 g of ammonium heptamolybdate, add 1400 ml of 12% ammonia water, then add 57.44 g of basic nickel carbonate and stir until completely dissolved, adjust the volume of the solution to 1500 ml with ammonia water to obtain solution L-2. Saturated carrier B was impregnated with L-2 solution, dried at 100°C for 6h, and calcined at 520°C for 3h to obtain catalyst T-B.

Embodiment 3

[0024] The method is the same as in Example 1, except that the amount of kaolin added is 121.72 g, dried at 120° C. for 2 hours, and calcined at 900° C. for 1 hour to obtain carrier C.

[0025] Weigh 144.90g of phosphoric acid, add 1400ml of distilled water, then sequentially add 354.19g of molybdenum oxide and 93.27g of basic cobalt carbonate, heat and stir until completely dissolved, then adjust the solution to 1500ml with distilled water to obtain solution L-3. Saturated carrier C was impregnated with L-3 solution, dried at 120°C for 2 hours, and calcined at 480°C for 3 hours to obtain catalyst T-C.

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Abstract

The invention relates to a residual oil hydrogenation catalyst, a preparation method and application thereof. The residual oil hydrogenation catalyst contains modified kaolin; the process for modifying the kaolin mainly comprises the steps of roasting and treating raw kaolin, and then treating the raw kaolin with mixed acid of strong acid and weak acid; and the modified kaolin has larger aperture and proper surface property, and is properly used as a carrier material of the residual oil hydrogenation catalyst. The residual oil hydrogenation catalyst adopts an impregnation method to load active metal components of VIB and VIII families; and the prepared catalyst can be applied in the field of hydrogenation demetallization, hydrogenation desulfurization, hydrogenation conversion, and the like of heavy oil or residual oil, and has good using performance.

Description

technical field [0001] The invention relates to a residual oil hydrogenation catalyst and its preparation method and application. Background technique [0002] With the development of heavy and inferior crude oil worldwide and the scarcity of crude oil resources, it is particularly important to effectively process heavy oil and crude oil residues. Among them, hydrogenation technology is one of the effective solutions for processing heavy and residues. Because the heavy and residual oil contains a large amount of metal, sulfur, nitrogen and other impurities, as well as a large amount of residual carbon that is easy to coke, these impurities will cause pollution to the corresponding catalyst in the subsequent processing process, so these impurities must first be removed by hydrotreating Impurities are removed. Therefore, the residual oil hydrogenation catalyst is required to have good hydrodemetallization, hydrodesulfurization, hydrodenitrogenation and hydrodecarbonization ac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J23/882B01J23/883B01J27/19C10G45/08
Inventor 朱慧红孙素华刘杰张成杨光
Owner CHINA PETROLEUM & CHEM CORP
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