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Catalyst II for full catalytic oxidating of petrolum hyalrocarbon

A completely catalytic oxidation and catalyst technology, applied in physical/chemical process catalysts, organic compound/hydride/coordination complex catalysts, organic oxidation, etc., to achieve the effect of low manufacturing cost and easy large-scale application

Inactive Publication Date: 2007-05-23
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

[0040] Select chromium nitrate, two kinds of materials of manganese nitrate and equimolar citric acid to make solution I for use;

[0041] Then nickel nitrate is made into solution II;

[0042] Mix solution I and solution II evenly and impregnate in amorphous Al 2 o 3 -SiO 2 On the carrier, after fully drying at 100°C, put it in a muffle furnace and slowly raise the temperature to 300°C, keep it warm for 2 hours, then raise the temperature at a rate of 100°C / 30 minutes, keep it at 500°C for 1 hour, and then cool it naturally with the furnace , the catalyst is obtained;

[0043] Containing composition (mass percentage composition) in the gained catalyst:

[0044] Al 2 o 3 -SiO 2 Carrier 85.6%, dichromium trioxide 1.4%, manganese dioxide 1.7%, nickel oxide 11.3%.

[0045]The application of the catalyst in the complete oxidation of wide-component petroleum hydrocarbons C11-C20 is as follows: the catalyst is heated to 450°C in the air, and the premixed gas of air and gasif...

Embodiment 2

[0047] Select two kinds of materials of chromium nitrate and ferric nitrate and the citric acid of equimolar number to make solution I;

[0048] Then copper nitrate solution II;

[0049] Mix solution I and solution II evenly and impregnate in amorphous Al 2 o 3 -SiO 2 On the carrier, after fully drying at 60°C, put it in a muffle furnace and slowly raise the temperature to 180°C, keep it warm for 2 hours, then raise the temperature at a rate of 120°C / 30 minutes, keep it at 600°C for 2 hours, and then cool it naturally with the furnace , the catalyst is obtained;

[0050] Containing composition (mass percentage) in the catalyst:

[0051] al 2 o 3 -SiO 2 Carrier 90.5%, dichromium trioxide 1.7%, ferric oxide 2.0%, copper oxide 5.8%.

[0052] The application of the catalyst in the complete oxidation of wide-component petroleum hydrocarbons C11-C20 is as follows: the catalyst is heated to 500°C in the air, and the premixed gas of air and gasified petroleum hydrocarbons is p...

Embodiment 3

[0054] Two kinds of materials of ferric nitrate and cobalt nitrate equal in moles and citric acid in equimoles are made into solution I;

[0055] Make cerium nitrate into solution II;

[0056] Mix solution I and solution II evenly and impregnate in amorphous Al 2 o 3 -SiO 2 On the carrier, after fully drying at 80°C, put it in a muffle furnace and slowly raise the temperature to 250°C, keep it for 2 hours, then raise the temperature at a rate of 150°C / 30 minutes, keep it at 600°C for 3 hours, and then cool it naturally with the furnace , the catalyst is obtained;

[0057] Containing composition (mass percentage) in the catalyst:

[0058] al 2 o 3 -SiO 2 Carrier 88.9%, ferric oxide 1.76%, dicobalt oxide 1.74%, cerium oxide 9.6%.

[0059] The application of the catalyst in the complete oxidation of wide-component petroleum hydrocarbons C11-C20 is as follows: the catalyst is heated to 470°C in the air, and the premixed gas of air and gasified petroleum hydrocarbons is pas...

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Abstract

A catalyst for full catalytic oxidizing of petroleum hydrocarbon in order to decrease the pollution of fuel is prepared through preparing solution A by complexing the chromium nitrate, manganese nitrate, iron nitrate and cobalt nitrate with citric acid, preparing solution B of nickel nitrate, copper nitrate and cerium nitrate, mixing them together, immersing Al2O3-SiO2 carrier in it, drying, heating and cooling.

Description

technical field [0001] The invention relates to a catalyst, which is especially suitable for the complete oxidation of C11-C20 wide-component 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 the previous research was to obtain incomplete oxidation products, and complete oxidation was not the goal pursued before. Retrieval, relevant Chinese patents include: [0003] Catalysts for the oxidation of alkanes (application number 00126383.8); [0004] Alkane oxidation method (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] Representative patents on catalysts for catalytic combustion of gasoline include: ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J27/25B01J31/22C07B33/00
Inventor 高林张政委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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