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Heavy oil hydrogenating treatment catalyst and preparation method thereof

A heavy oil hydrogenation and catalyst technology, applied in physical/chemical process catalysts, chemical instruments and methods, metal/metal oxide/metal hydroxide catalysts, etc. It can be divided into effective dispersion and other issues to achieve the effect of reducing production costs, optimizing properties, and uniformly dispersing active metals.

Active Publication Date: 2009-05-20
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The solution containing VIB group metals and VIII group metals is a common solution. Due to the limited amount of solution used in the kneading process, it is not conducive to the effective dispersion of active metal components, and it is not conducive to obtaining the final catalyst product with good dispersion of active metals.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The commercially available pseudo-boehmite dry rubber powder (with a water content of 25% by weight) is calcined at 800° C. for 2 hours to obtain alumina powder. Weigh 38 grams of alumina powder, then weigh 113 grams of pseudo-boehmite dry rubber powder, 9.3 grams of carbon black, 3.4 grams of squeezing aid sesame powder, and 150 mL of active metal salt solution. The solution contains 2 g / 100 mL of Polyethylene glycol 400. The above materials are mixed uniformly to form a plastic body, and then extruded into a cylindrical bar on an extruder, dried at 110°C for 2 hours, and then calcined at 650°C for 3 hours to obtain catalyst A. Among them, the active metal salt solution contains ammonium molybdate and basic nickel carbonate, and the content is in accordance with MoO 3 Calculated as 10wt%, and as NiO 2wt%.

Embodiment 2

[0026] In Example 1, the alumina powder was replaced by 75 grams, and the pseudo-boehmite dry rubber powder was replaced by 75 grams. Grams of carbon black, 2.9 grams of extrusion aid sesbania powder, and the added active metal salt solution contains 2 g / 100 mL of nonylphenol polyoxyethylene ether NP-10 to obtain catalyst B.

Embodiment 3

[0028] In Example 1, the alumina powder was replaced with 113 grams, the pseudo-boehmite dry rubber powder was replaced with 38 grams, 11.3 grams of carbon black, 1.8 grams of extrusion aid sesame powder, and the added solution containing active metal salts 2g / 100mL polyethylene glycol 800 is contained in it to obtain catalyst C.

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PUM

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Abstract

The invention discloses a heavy oil hydrotreating catalyst and a preparation method thereof. The method for preparing the catalyst adopts a complete mixed kneading method; a carrier material comprises pseudo-boehmite glue powder and alumina powder; and an active metallic solution contains nonionic surfactant. The catalyst prepared by the method has the characteristics of large pore volume and pore diameter, proper specific surface area, even active metal dispersion and the like, and can be used in the processes of heavy oil hydrodemetalization, hydrodesulfurization and the like.

Description

Technical field [0001] The invention relates to a hydrogenation treatment catalyst and a preparation method thereof, in particular to a heavy oil and residual oil hydrodemetalization or desulfurization catalyst and a preparation method thereof. Background technique [0002] Residue oil generally contains a large amount of heavy metals such as nickel, vanadium, etc. During the hydroprocessing of the residue oil, they accumulate on the catalyst, causing the catalyst to deactivate, and the deactivated catalyst is difficult to regenerate. In addition, due to the high viscosity of residual oil and a large amount of impurities such as S and N, the space velocity of the residual oil hydrotreating process is very small, so the amount of catalyst is greatly increased compared with other refining processes. The major factor that determines the technical and economic feasibility of the process is how to reduce the cost of the catalyst so that the entire hydroprocessing process is more techn...

Claims

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Application Information

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IPC IPC(8): B01J23/883C10G45/08
Inventor 刘杰孙素华朱慧红张成杨光
Owner CHINA PETROLEUM & CHEM CORP
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