A kind of impregnating solution of hydrogenation catalyst and the method for preparing hydrogenation catalyst

A technology of hydrogenation catalyst and impregnating solution, which is applied in the direction of catalyst activation/preparation, molecular sieve catalyst, chemical instruments and methods, etc., and can solve the problems of poor hydrogenation catalytic effect and low metal utilization rate of hydrogenation catalyst

Active Publication Date: 2011-12-21
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a new hydrogenation catalyst in order to overcome the defects of low metal utilization rate and poor hydrogenation catalytic effect of the hydrogenation catalyst prepared by using the co-immersion solution of the existing hydrogenation catal

Method used

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Examples

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preparation example Construction

[0017] The present invention also provides a method for preparing a hydrogenation catalyst, the method comprising contacting the catalyst carrier with an impregnation solution of the hydrogenation catalyst, and then drying, the impregnation solution of the hydrogenation catalyst being the hydrogenation catalyst provided by the present invention Catalyst impregnation solution.

[0018] According to the preparation method of the hydrogenation catalyst provided by the present invention, the impregnation solution of the hydrogenation catalyst contains a water-soluble VIB group metal compound, a water-soluble VIII group metal organic acid salt and a water-soluble organic additive, the water-soluble The organic additive can reduce the surface tension of the aqueous solution of the water-soluble group VIB metal compound and the water-soluble organic acid salt of the VIII group metal.

[0019] In the impregnation solution of the hydrogenation catalyst, the concentration of the water-s...

Embodiment 1

[0027] This example is used to illustrate the impregnation solution of the hydrogenation catalyst and the method for preparing the hydrogenation catalyst provided by the present invention.

[0028] (1) Prepare the impregnation solution of hydrogenation catalyst

[0029] 78 grams of basic nickel carbonate (purchased from Jiangsu Yixing Shensheng Catalyst Co., Ltd., NiO content is 51% by weight) and 95 grams of citric acid (purchased from Tianjin Yuanli Chemical Co., Ltd., analytically pure) were mixed, and Add 200ml of water, stir and raise the temperature to 95°C, and keep the temperature at this temperature for 1 hour to prepare an aqueous solution of nickel citrate. Then, 413 grams of ammonium metatungstate (purchased from Sichuan Zigong Cemented Carbide Factory Company, tungsten oxide content is 82% by weight) was added in the described nickel citrate aqueous solution, and then added 10 grams of glycerol (Beijing chemical plant, analytically pure), and the volume was adjus...

Embodiment 2

[0035] This example is used to illustrate the impregnation solution of the hydrogenation catalyst and the method for preparing the hydrogenation catalyst provided by the present invention.

[0036] (1) Prepare the impregnation solution of hydrogenation catalyst

[0037] 156 grams of basic nickel carbonate (purchased from Jiangsu Yixing Shensheng Catalyst Co., Ltd., NiO content is 51% by weight) and 90 grams of acetic acid (purchased from Beijing Chemical Plant, analytically pure) were mixed, 300ml of water was added thereto, stirred The temperature was raised to 80° C., and kept at this temperature for 1 hour to prepare an aqueous solution of nickel acetate. Then, 300 grams of ammonium metatungstate (purchased from Sichuan Zigong Cemented Carbide Factory Company, tungsten oxide content is 82% by weight) was added in the nickel acetate aqueous solution, and then added 9 grams of glycerol (Beijing Chemical Industry Co., Ltd. plant, analytically pure), and the volume was fixed t...

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PUM

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Abstract

The invention provides a dipping solution of hydrogenation catalyst, which contains water-soluble VIB-group metal compound, water-soluble VIII-group metal organic acid salt and water-soluble organic additives, wherein the water-soluble organic additives can reduce the surface tension of water solution of the water-soluble VIB-group metal compound and the water-soluble VIII-group metal organic acid salt. The invention also provides a method for preparing the hydrogenation catalyst, which is realized through the following steps that: catalyst carrier is contacted with the dipping solution of the hydrogenation catalyst, then the catalyst carrier is dried, and the dipping solution of the hydrogenation catalyst is provided by the invention. Due to the adoption of the hydrogenation catalyst which is prepared by the dipping solution of the hydrogenation catalyst, the hydrogenation catalytic activity of heavyweight aromatic hydrocarbon can be remarkably improved.

Description

technical field [0001] The invention relates to an impregnation solution of a hydrogenation catalyst and a method for preparing a hydrogenation catalyst by using the hydrogenation catalyst. Background technique [0002] Hydrogenation catalyst is a kind of catalyst widely used in petroleum refining process. It has high hydrogenation activity during use. This high hydrogenation activity is generally derived from metal groups with VIB and VIII groups in the periodic table of elements. point. In order to further improve the hydrogenation activity of the catalyst, the goal is generally achieved by improving the preparation method of the catalyst. For example, by adding an organic complex, the dispersion of Group VIII metals on the surface of the support is improved, thereby increasing the hydrogenation activity. [0003] CN 1175481A discloses a co-impregnation solution for preparing hydrocracking catalyst, which consists of: 25-65g WO3 / 100ml solution, 3-20g NiO / 100ml solution, ...

Claims

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Application Information

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IPC IPC(8): B01J23/888B01J29/16B01J37/02C10G47/20
Inventor 毛以朝李明丰聂红董建伟胡志海
Owner CHINA PETROLEUM & CHEM CORP
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