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Hydrogenation catalyst, preparation and application of Vb-containing metal component with alumina as carrier

A technology of alumina carrier and metal components, which is applied in the fields of preparation and application, deasphaltene and carbon residue removal catalysts, and hydrodemetallization, can solve the problems of downstream catalyst deactivation, and achieve asphaltenes removal rate and The effect of improving the activity of carbon residue removal

Active Publication Date: 2015-07-29
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, if metal impurities such as Ni and V are not effectively removed, they will have an adverse effect on the downstream catalyst, block the pores of the downstream catalyst, and cause the deactivation of the downstream catalyst.

Method used

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  • Hydrogenation catalyst, preparation and application of Vb-containing metal component with alumina as carrier
  • Hydrogenation catalyst, preparation and application of Vb-containing metal component with alumina as carrier
  • Hydrogenation catalyst, preparation and application of Vb-containing metal component with alumina as carrier

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Take by weighing the dry rubber powder (dry basis is 73% that Changling Refinery Catalyst Factory produces, and wherein pseudo-boehmite content is 68%, and gibbsite content is 5 weight %, and surplus is amorphous alumina) 1000 gram, 27 grams of sage powder (product of Henan Lankao tianjing rubber factory), 25g of hydroxymethyl cellulose mixes, then adds 1200 milliliters of aqueous solutions containing 24g of nitric acid, and extrudes into outer diameter φ 1.1mm on a plunger extruder. Butterfly strips. The wet strip was dried at 120°C for 4 hours and calcined at 930°C for 3 hours to obtain carrier Z1. The physical and chemical properties of carrier Z1 are shown in Table 1.

Embodiment 2

[0040] Take by weighing 1000 grams of dry rubber powder produced by Shanxi Aluminum Plant (the dry basis is 69%, wherein the pseudo-boehmite content is 71%, the gibbsite content is 6% by weight, and the balance is amorphous alumina) 1000 grams, 27 Ke Tianjing powder (product of Henan Lankao Tianjing Rubber Factory), 25g polyvinyl alcohol (Changling Catalyst Factory) mixes, then adds 1200 milliliters of aqueous solutions containing nitric acid 24g, extrudes into outer diameter φ 1.1mm on the twin-screw extruder Clover shaped strips. The wet strip was dried at 120°C for 4 hours and calcined at 750°C for 3 hours to obtain carrier Z2. The physical and chemical properties of carrier Z2 are shown in Table 1.

[0041] Table 1

[0042] carrier number

Embodiment 3

[0045] Get 200 grams of carrier Z1 prepared in Example 1, use 500 milliliters of MoO 3 80 g / l, V 2 o 5 The mixed solution of 16 g / L ammonium heptamolybdate and ammonium metavanadate was impregnated for 1 hour, filtered, dried at 120°C for 4 hours, and calcined at 400°C for 3 hours to obtain the hydrodemetallization catalyst CZ1. The composition of hydrodemetallization catalyst CZ1 is listed in Table 2.

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Abstract

Provided are a hydrogenation catalyst containing VB metal components and provided with aluminum oxide serving as a carrier and preparation and application thereof. The catalyst contains an aluminum oxide carrier and hydrogenation active metal components loaded on the aluminum oxide carrier. The catalyst is characterized in that the hydrogenation active metal components are selected from at least one metal component of VIB groups and at least one composition selected from metal components of VB groups. With oxidate as metering standard and the catalyst as reference, the content of the VIB-group metal component is 0.2-15% by weight, and the content of the VB-group metal component is 0.2-12% by weight. Compared with the catalyst in the prior art, the hydrodemetallization, the diasphaltening and the decarburization residue activity of the hydrogenation catalyst are remarkably improved.

Description

technical field [0001] The invention relates to a hydrogenation catalyst, its preparation and application, in particular to a hydrogenation demetallization, deasphaltene and residual carbon removal catalyst suitable for heavy oil processing, its preparation and application. Background technique [0002] As the world-wide contradiction between heavy and low-quality crude oil and diversified and light-weight demand for petrochemical products becomes increasingly acute, the main task of the petrochemical industry will focus on lightening heavy oil. Residual oil is the heaviest fraction in crude oil. After crude oil is distilled, species with large molecular weight and complex structures are enriched in the residual oil. These impurities have an important impact on the subsequent processing and product properties. These impurities are removed. Compared with distillate oil, in addition to impurities such as sulfur and nitrogen, heavy oil also contains a higher proportion of meta...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J23/30B01J23/28C10G45/08
Inventor 贾燕子杨清河李大东李丁健一孙淑玲胡大为聂红
Owner CHINA PETROLEUM & CHEM CORP
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