Hydrofining catalyst and catalytic cracking light cycle oil refining method

A technology for hydrorefining, light cycle oil, applied in chemical instruments and methods, metal/metal oxide/metal hydroxide catalysts, physical/chemical process catalysts, etc. Nitrogen etc.

Active Publication Date: 2018-02-13
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] One of the technical problems to be solved by the present invention is that the existing technology cannot reduce the loss of aromatic rings while achieving efficient desulfurization and denitrogenation. A catalytic cracking light cycle oil hydrofinishing catalyst is provided, which has the ability to reduce the loss of aromatic rings. The advantages of being able to achieve efficient desulfurization and denitrification while losing

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  • Hydrofining catalyst and catalytic cracking light cycle oil refining method

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Effect test

Embodiment 1

[0038] 1. Vector preparation

[0039] Pseudoboehmite (SiO 2 / Al 2 o 3 Mass ratio 0.3) 300 grams, 15 grams of scallop powder, 350 grams of mixed aqueous solution of acetic acid, nitric acid and citric acid (wherein containing 30 grams of 35w% nitric acid aqueous solution, 1.5 grams of acetic acid and 2 grams of citric acid), mixed, kneaded for 80 minutes, and extruded Molded, left overnight at room temperature, dried at 120°C for 4 hours, and calcined at 550°C for 3 hours to obtain a cylindrical carrier with a length of 3 mm and a diameter of 2 mm.

[0040] 2. Preparation of catalysts whose active components are oxide states

[0041] (a) Put the newly prepared mixed aqueous solution of cobalt acetate, nickel nitrate, ammonium molybdate and ammonium metatungstate at 25°C for 72 hours to obtain 100 grams of aged immersion solution; wherein the content of Co element in the immersion solution is expressed in terms of CoO The weight is 3.1 grams, the Ni element content is 4.5 gr...

Embodiment 2

[0052] 1. Vector preparation

[0053] Pseudoboehmite (SiO 2 / Al 2 o 3 Mass ratio 0.3) 300 grams, 15 grams of scallop powder, 350 grams of mixed aqueous solution of acetic acid, nitric acid and citric acid (wherein containing 30 grams of 35w% nitric acid aqueous solution, 1.5 grams of acetic acid and 2 grams of citric acid), mixed, kneaded for 80 minutes, and extruded Molded, left overnight at room temperature, dried at 120°C for 4 hours, and calcined at 550°C for 3 hours to obtain a cylindrical carrier with a length of 3 mm and a diameter of 2 mm.

[0054] 2. Preparation of catalysts whose active components are oxide states

[0055] (a) Put the newly prepared mixed aqueous solution of cobalt acetate, nickel nitrate and ammonium molybdate at 25°C for 72 hours to obtain 100 grams of aged impregnation solution; wherein the Co element content in the impregnation solution is 3.1 grams by weight of CoO , the Ni element content is 4.5 grams by weight of NiO, and the Mo element co...

Embodiment 3

[0066] 1. Vector preparation

[0067] Pseudoboehmite (SiO 2 / Al 2 o 3 Mass ratio 0.3) 300 grams, 15 grams of scallop powder, 350 grams of mixed aqueous solution of acetic acid, nitric acid and citric acid (wherein containing 30 grams of 35w% nitric acid aqueous solution, 1.5 grams of acetic acid and 2 grams of citric acid), mixed, kneaded for 80 minutes, and extruded Molded, left overnight at room temperature, dried at 120°C for 4 hours, and calcined at 550°C for 3 hours to obtain a cylindrical carrier with a length of 3 mm and a diameter of 2 mm.

[0068] 2. Preparation of catalysts whose active components are oxide states

[0069] (a) Put the newly prepared mixed aqueous solution of cobalt acetate, nickel nitrate and ammonium metatungstate at 25°C for 72 hours to obtain 100 grams of aged impregnation solution; the content of Co element in the impregnation solution is 3.1 grams by weight of CoO , the Ni element content is 4.5 grams by weight of NiO, the W element content ...

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Abstract

The invention relates to a catalytic cracking light cycle oil hydrotreating catalyst and a preparation method thereof, and a catalytic cracking light cycle oil hydrotreating method, and mainly solves the problem of the prior art that the loss of aromatic rings cannot be reduced and the high-efficiency desulfurization and denitrification can be achieved at the same time. , the present invention adopts the catalytic cracking light cycle oil hydrotreating catalyst, comprising a carrier and an active component supported on it, the carrier is selected from at least one of alumina and silicon oxide, and the active component includes CoO and The technical solution of at least one of NiO and at least one of MoO3 and WO3 solves the technical problem well, and can be used in the hydrorefining production of catalytic cracking light cycle oil.

Description

technical field [0001] The invention relates to a catalytic cracking light cycle oil hydrofinishing catalyst and a preparation method thereof, and a catalytic cracking light cycle oil hydrofinishing method. Background technique [0002] my country's annual by-product catalytic cracking light cycle oil exceeds 10 million tons, most of which are directly used to blend diesel oil without processing. FCC light cycle oil has the following problems as diesel blending components: (1) FCC light cycle oil aromatics content is as high as 60%-80%, wherein 70% aromatics are bicyclic, and the cetane number of bicyclic is low, Poor combustion performance directly affects diesel quality; (2) The sulfur and nitrogen contents of FCC light cycle oil are as high as 0.2-1.5wt%, 150-900ppm respectively, and FCC light cycle oil with high sulfur and nitrogen content is blended into diesel oil, Directly lead to the discharge is not up to standard, polluting the environment. As crude oil becomes i...

Claims

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Application Information

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Patent Type & AuthorityPatents(China)
IPC IPC(8): B01J23/888B01J23/883C10G45/08
Inventor余强钱斌王德举刘仲能杨为民
OwnerCHINA PETROLEUM & CHEM CORP