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A kind of hydrogenation treatment catalyst and preparation method thereof

A technology for hydrotreating and catalyst, applied in the direction of catalyst activation/preparation, physical/chemical process catalyst, chemical instruments and methods, etc., can solve the problems of waste of active metal, low utilization rate of metal, etc., to improve the activity and avoid the formation of sharp Crystal phase, the effect of reducing the amount of metal

Active Publication Date: 2021-10-08
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In the hydrogenation catalyst disclosed in the above-mentioned patent, the active components are evenly distributed on the catalyst, and the catalyst has high impurity removal activity. It is converted on the catalyst, resulting in the waste of active metals in the catalyst pores, and the metal utilization rate is not high

Method used

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  • A kind of hydrogenation treatment catalyst and preparation method thereof
  • A kind of hydrogenation treatment catalyst and preparation method thereof
  • A kind of hydrogenation treatment catalyst and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] (1) Preparation of Mo-Co-P aqueous solution:

[0048] 3.8g phosphoric acid H 3 PO 4 (Concentration 85 wt%) was dissolved in 80mL of water, then added 10.4g molybdenum trioxide and 4.8g basic cobalt carbonate, heated to 100°C and stirred and refluxed for 2.0h, filtered and set to 100mL to obtain Mo-Co-P aqueous solution. where MoO 3 The concentration is 0.1g / mL, Co 2 o 3 The concentration of P is 0.025g / mL, and the concentration of P is 0.01g / mL.

[0049] (2) Preparation of catalyst:

[0050] 76.7g alumina support (pore volume 0.70mL / g, specific surface area 300m 2 / g, cylindrical strip shape, diameter 0.8mm) was added to 200mL cyclohexane solution containing 38.5g dodecyltrimethoxysilane, reacted at 50°C for 3.0h, and dried at 70°C for 8h to obtain the pre-catalyst Body A; then added to 200mL5# diesel oil, soaked for 30min and then filtered, and the obtained material was placed in a low-temperature reaction bath at 0°C. Measure 80mL of Mo-Co-P aqueous solution ...

Embodiment 2

[0056] (1) Preparation of Mo-Co-P aqueous solution:

[0057] 5.7g phosphoric acid H 3 PO 4 (concentration 85 wt%) was dissolved in 80mL of water, then added 15.6g of molybdenum trioxide and 7.2g of basic cobalt carbonate, heated to 100°C and stirred and refluxed for 2.0h, filtered and set to 100mL to obtain Mo-Co-P aqueous solution. where MoO 3 The concentration is 0.15g / mL, Co 2 o 3 The concentration of P is 0.038g / mL, and the concentration of P is 0.015g / mL.

[0058] (2) Preparation of catalyst:

[0059] 71.5g alumina carrier (pore volume 0.70mL / g, specific surface area 300m 2 / g, cylindrical strip shape, diameter 0.8mm) was added to 200mL cyclohexane solution containing 33.6g hexadecyltrimethoxysilane, reacted at 50°C for 3.0h, dried at 70°C for 8h, and obtained the pre-catalyst Body A; then added to 200mL0# diesel oil, soaked for 30min and then filtered, and the obtained material was placed in a low-temperature reaction bath at -10°C. Measure 75mL of Mo-Co-P aqueo...

Embodiment 3

[0065] (1) Preparation of Mo-Co-P aqueous solution:

[0066] 7.6g phosphoric acid H 3 PO 4 (concentration 85 wt%) was dissolved in 80mL of water, then added 20.8g of molybdenum trioxide and 9.6g of basic cobalt carbonate, heated to 100°C and stirred and refluxed for 2.0h, filtered and set to 100mL to obtain Mo-Co-P aqueous solution. where MoO 3 The concentration is 0.2g / mL, Co 2 o 3 The concentration of P is 0.05g / mL, and the concentration of P is 0.02g / mL.

[0067] (2) Preparation of catalyst:

[0068] 66.9g alumina support (pore volume 0.70mL / g, specific surface area 300m 2 / g, cylindrical strip shape, diameter 0.8mm) was added to 200mL cyclohexane solution containing 19.0g hexadecyltrimethoxysilane, reacted at 50°C for 3.0h, dried at 70°C for 8h, and obtained the pre-catalyst Body A; then added to 200mL0# diesel oil, soaked for 30min and then filtered, and the obtained material was placed in a low-temperature reaction bath at -10°C. Measure 50mL of Mo-Co-P aqueous ...

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Abstract

The invention provides a hydrogenation treatment catalyst and a preparation method thereof. The hydrogenation treatment catalyst comprises a hydrogenation metal component, an auxiliary agent and a support, and the hydrogenation metal component is a Group VIB metal and / or a Group VIII metal One or more of them, P is an auxiliary agent. The present invention also provides a method for preparing the above-mentioned hydrogenation catalyst. The preparation method is firstly preparing the catalyst precursor, then modifying the catalyst precursor, and finally loading the hydrogenation metal component. The active metal components of the catalyst prepared by the method of the invention have more reasonable distribution and high utilization rate, which not only reduces the metal consumption of the catalyst, but also improves the activity of the catalyst.

Description

technical field [0001] The invention belongs to the field of oil refining, and relates to a catalytic material and a preparation method thereof, in particular to a hydrogenation treatment catalyst and a preparation method thereof. Background technique [0002] As the sulfur content in vehicle fuel standards decreases year by year, hydrodesulfurization has become the main way to process inferior raw materials to produce clean fuel. The activity of hydrodesulfurization catalyst determines the economic benefit of the whole hydrodesulfurization process. Highly active hydrodesulfurization catalysts can produce low-sulfur products under moderate conditions, thereby prolonging the operating cycle and saving operating costs. [0003] Hydrodesulfurization catalysts usually use Group VIB and Group VIII metals as active components, and various additives can be added to improve catalyst activity. At present, the catalyst preparation method commonly used in countries all over the world...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J27/188B01J27/19B01J35/10C10G45/08B01J37/02
Inventor 金浩朱慧红葛海龙孟兆会杨光孙素华杨涛
Owner CHINA PETROLEUM & CHEM CORP
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