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Petroleum hydrocarbon completely catalyzed oxidative catalyst

A complete oxidation and catalyst technology, applied in the direction of physical/chemical process catalysts, catalyst carriers, metal/metal oxide/metal hydroxide catalysts, etc., to achieve the effect of low manufacturing cost and easy large-scale application

Inactive Publication Date: 2007-06-27
XINJIANG TECHN INST OF PHYSICS & CHEM CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0026] Find out according to the patent document of existing research background and retrieval, also do not have the mode that the catalyst of the present invention fully oxidizes liquid hydrocarbons and similar catalyst patents

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] a. Prepare cerium nitrate into a solution;

[0043] b. Immerse the cerium nitrate solution in amorphous Al 2 O 3 -SiO 2 On the carrier, after being fully dried at 50°C, place it in a muffle furnace to slowly raise the temperature to 200°C, keep it for 2 hours and then cool down in the furnace to obtain the treated carrier;

[0044] c. Mix manganese nitrate into a solution and immerse it in the amorphous Al treated in step b2 O 3 -SiO 2 On the carrier, fully dry at 50°C;

[0045] d. Amorphous Al processed in step c 2 O 3 -SiO 2 The carrier is placed in a muffle furnace, heated at a rate of 100°C / 30 minutes, kept at 800°C for 4 hours, and then naturally cooled in the furnace to obtain a catalyst.

[0046] The ingredients contained in the obtained catalyst are (mass percentage):

[0047] Al 2 O 3 -SiO 2 Carrier 86.2%

[0048] Cerium dioxide 12.7%

[0049] Manganese dioxide 1.1%

[0050] The application of the catalyst in the complete oxidation of wide-component petroleum hydro...

Embodiment 2

[0052] a. Prepare calcium nitrate into a solution;

[0053] b. Immerse the calcium nitrate solution in amorphous Al 2 O 3 -SiO 2 After the carrier is fully dried at 55°C, place it in a muffle furnace and slowly raise the temperature to 250°C, keep it for 4 hours and then cool down in the furnace to obtain the treated carrier;

[0054] c. The cobalt nitrate is then prepared into a solution and immersed in the amorphous Al treated in step b 2 O 3 -SiO 2 On the carrier, fully dry at 55°C;

[0055] d. Amorphous Al processed in step c 2 O 3 -SiO 2 The carrier is placed in a muffle furnace, heated at a rate of 120°C / 30 minutes, kept at 600°C for 3 hours, and then cooled naturally in the furnace to obtain a catalyst.

[0056] The ingredients contained in the obtained catalyst are (mass percentage):

[0057] Al 2 O 3 -SiO 2 Carrier 89.8%

[0058] Calcium oxide 8.7%

[0059] Cobalt trioxide 1.5%

[0060] The application of the catalyst in the complete oxidation of wide-component petroleum ...

Embodiment 3

[0062] a. Prepare barium nitrate into a solution;

[0063] b. Immerse barium nitrate solution in amorphous Al 2 O 3 -SiO 2 After the carrier is fully dried at 60°C, place it in a muffle furnace and slowly raise it to 300°C, keep it for 2 hours and then cool down in the furnace to obtain the treated carrier;

[0064] c. The nickel nitrate is then mixed into a solution, and the nickel nitrate is immersed in the amorphous Al treated in step b 2 O 3 -SiO 2 On the carrier, fully dry at 60°C;

[0065] d. Amorphous Al processed in step c 2 O 3 -SiO 2 The carrier is placed in a muffle furnace, heated at a rate of 150°C / 30 minutes, kept at 500°C for 3 hours, and then cooled naturally in the furnace to obtain a catalyst.

[0066] The ingredients contained in the obtained catalyst are (mass percentage):

[0067] Al 2 O 3 -SiO 2 Carrier 87.9%

[0068] Barium oxide 10.4%

[0069] Nickel oxide 1.7%

[0070] The application of the catalyst in the complete oxidation of wide-component petroleum hy...

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Abstract

The present invention is one kind of catalyst for the complete catalytic oxidation of heavy liquid petroleum hydrocarbon. During the preparation, amorphous Sl2O3-SiO2 carrier is first dipped in mixed solution compounded with cerium nitrate, calcium carbonate and barium carbonate and set inside muffle furnace for heating, maintaining and cooling to treat; and the carrier is then dipped in mixed solution compounded with manganese nitrate, cobalt nitrate, nickel nitrate and copper nitrate and set inside muffle furnace for heating, maintaining and cooling to prepare the catalyst. The catalyst makes it possible to oxidize petroleum hydrocarbon completely at relatively low temperature to eliminate waste gas pollution radically, and the relatively low temperature makes the reaction controllable and practicable.

Description

Technical field [0001] The invention relates to a catalyst, which is especially suitable for the complete catalytic oxidation of wide-component liquid petroleum hydrocarbons. Background technique [0002] In the oxidation of hydrocarbons, the research on the oxidation of liquid hydrocarbons has a very long history, but the purpose of previous research is to obtain incomplete oxidation products. Complete oxidation is not the goal pursued before. Search, related Chinese patents include: [0003] Catalyst for the oxidation of alkanes (application number 00126383.8); [0004] Method for oxidation of alkanes (application number 97195087.3); [0005] Catalyst for oxidative dehydrogenation of lower alkanes and method for producing olefins (application number 99106660.X); [0006] An alkane oxidation catalyst and its preparation method (application number 96104766.6). [0007] The representative patents on catalysts for catalytic combustion of gasoline include: [0008] A gasoline cataly...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J23/34B01J32/00C07B33/00
Inventor 张政委高林陈志祥田华赖小林向迎梅
Owner XINJIANG TECHN INST OF PHYSICS & CHEM CHINESE ACAD OF SCI
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